./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_17_good.i --full-output --architecture 64bit


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


Checking for overflows
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 64bit --witnessprinter.graph.data.programhash ed6744befdaae6b8162b3b9eced44dc2c56355d78b44d422745ac6cd20b300fd
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:45:59,708 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:45:59,823 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2023-11-19 07:45:59,830 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:45:59,831 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:45:59,869 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:45:59,870 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:45:59,870 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:45:59,871 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:45:59,872 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:45:59,873 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:45:59,873 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-19 07:45:59,874 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-19 07:45:59,874 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:45:59,875 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:45:59,875 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-19 07:45:59,876 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-19 07:45:59,876 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:45:59,881 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:45:59,881 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:45:59,882 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=true
[2023-11-19 07:45:59,882 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-11-19 07:45:59,883 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-19 07:45:59,883 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-19 07:45:59,884 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:45:59,884 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-19 07:45:59,884 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-19 07:45:59,885 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:45:59,885 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:45:59,885 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:45:59,886 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:45:59,887 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-19 07:45:59,887 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:45:59,887 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:45:59,888 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:45:59,888 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:45:59,888 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:45:59,888 INFO  L153        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:45:59,889 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
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_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/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_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed6744befdaae6b8162b3b9eced44dc2c56355d78b44d422745ac6cd20b300fd
[2023-11-19 07:46:00,234 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:46:00,267 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:46:00,270 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:46:00,271 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-19 07:46:00,272 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-19 07:46:00,274 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_17_good.i
[2023-11-19 07:46:03,313 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:46:03,693 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-19 07:46:03,694 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_17_good.i
[2023-11-19 07:46:03,738 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/data/28f786988/7a5ff11e6a074e8f94e829d3b22e3077/FLAGc86527634
[2023-11-19 07:46:03,780 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/data/28f786988/7a5ff11e6a074e8f94e829d3b22e3077
[2023-11-19 07:46:03,785 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:46:03,787 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:46:03,788 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:46:03,788 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:46:03,800 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:46:03,803 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:03" (1/1) ...
[2023-11-19 07:46:03,804 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@245ef4ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:03, skipping insertion in model container
[2023-11-19 07:46:03,805 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:03" (1/1) ...
[2023-11-19 07:46:03,879 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:46:04,352 WARN  L635        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-11-19 07:46:04,973 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:46:04,989 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-19 07:46:05,022 WARN  L635        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-11-19 07:46:05,115 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:46:05,278 WARN  L675               CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:46:05,278 WARN  L675               CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:46:05,278 WARN  L675               CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:46:05,279 WARN  L675               CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:46:05,279 WARN  L675               CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:46:05,287 INFO  L206         MainTranslator]: Completed translation
[2023-11-19 07:46:05,288 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:05 WrapperNode
[2023-11-19 07:46:05,288 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:46:05,290 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:46:05,290 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:46:05,290 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:46:05,298 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:05" (1/1) ...
[2023-11-19 07:46:05,352 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:05" (1/1) ...
[2023-11-19 07:46:05,387 INFO  L138                Inliner]: procedures = 501, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 110
[2023-11-19 07:46:05,388 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:46:05,388 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:46:05,389 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:46:05,389 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:46:05,399 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:05" (1/1) ...
[2023-11-19 07:46:05,399 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:05" (1/1) ...
[2023-11-19 07:46:05,403 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:05" (1/1) ...
[2023-11-19 07:46:05,403 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:05" (1/1) ...
[2023-11-19 07:46:05,410 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:05" (1/1) ...
[2023-11-19 07:46:05,414 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:05" (1/1) ...
[2023-11-19 07:46:05,417 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:05" (1/1) ...
[2023-11-19 07:46:05,418 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:05" (1/1) ...
[2023-11-19 07:46:05,422 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:46:05,423 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:46:05,423 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:46:05,423 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:46:05,424 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:05" (1/1) ...
[2023-11-19 07:46:05,430 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:46:05,459 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:46:05,469 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:46:05,471 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:46:05,501 INFO  L130     BoogieDeclarations]: Found specification of procedure printIntLine
[2023-11-19 07:46:05,501 INFO  L138     BoogieDeclarations]: Found implementation of procedure printIntLine
[2023-11-19 07:46:05,502 INFO  L130     BoogieDeclarations]: Found specification of procedure printLine
[2023-11-19 07:46:05,506 INFO  L138     BoogieDeclarations]: Found implementation of procedure printLine
[2023-11-19 07:46:05,506 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:46:05,506 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-11-19 07:46:05,506 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:46:05,507 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:46:05,507 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:46:05,507 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:46:05,507 INFO  L130     BoogieDeclarations]: Found specification of procedure time
[2023-11-19 07:46:05,507 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 07:46:05,507 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:46:05,662 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-19 07:46:05,664 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:46:05,867 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-19 07:46:05,876 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:46:05,882 INFO  L302             CfgBuilder]: Removed 4 assume(true) statements.
[2023-11-19 07:46:05,886 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:05 BoogieIcfgContainer
[2023-11-19 07:46:05,887 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:46:05,889 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:46:05,889 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:46:05,892 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:46:05,893 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:46:03" (1/3) ...
[2023-11-19 07:46:05,894 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@204e87fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:05, skipping insertion in model container
[2023-11-19 07:46:05,894 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:05" (2/3) ...
[2023-11-19 07:46:05,894 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@204e87fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:05, skipping insertion in model container
[2023-11-19 07:46:05,898 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:05" (3/3) ...
[2023-11-19 07:46:05,900 INFO  L112   eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_postinc_17_good.i
[2023-11-19 07:46:05,914 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:46:05,914 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations.
[2023-11-19 07:46:05,963 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:46:05,970 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@5c20d4c0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:46:05,970 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 12 error locations.
[2023-11-19 07:46:05,975 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 60 states, 40 states have (on average 1.55) internal successors, (62), 53 states have internal predecessors, (62), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2023-11-19 07:46:05,982 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2023-11-19 07:46:05,982 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:46:05,983 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:05,984 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2023-11-19 07:46:05,989 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:05,990 INFO  L85        PathProgramCache]: Analyzing trace with hash 59456679, now seen corresponding path program 1 times
[2023-11-19 07:46:05,998 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:05,998 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767630508]
[2023-11-19 07:46:05,999 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:05,999 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:06,187 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:06,444 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:46:06,451 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:06,465 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:46:06,466 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:06,466 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767630508]
[2023-11-19 07:46:06,467 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767630508] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:06,467 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:06,467 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:46:06,482 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703618686]
[2023-11-19 07:46:06,483 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:06,490 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:46:06,490 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:06,532 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:46:06,533 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:46:06,536 INFO  L87              Difference]: Start difference. First operand  has 60 states, 40 states have (on average 1.55) internal successors, (62), 53 states have internal predecessors, (62), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand  has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:46:06,654 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:46:06,654 INFO  L93              Difference]: Finished difference Result 116 states and 139 transitions.
[2023-11-19 07:46:06,655 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-19 07:46:06,657 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11
[2023-11-19 07:46:06,658 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:46:06,666 INFO  L225             Difference]: With dead ends: 116
[2023-11-19 07:46:06,666 INFO  L226             Difference]: Without dead ends: 57
[2023-11-19 07:46:06,672 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:46:06,678 INFO  L413           NwaCegarLoop]: 64 mSDtfsCounter, 3 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:46:06,680 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 186 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:46:06,706 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57 states.
[2023-11-19 07:46:06,734 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57.
[2023-11-19 07:46:06,735 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 57 states, 39 states have (on average 1.435897435897436) internal successors, (56), 51 states have internal predecessors, (56), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2023-11-19 07:46:06,740 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 64 transitions.
[2023-11-19 07:46:06,741 INFO  L78                 Accepts]: Start accepts. Automaton has 57 states and 64 transitions. Word has length 11
[2023-11-19 07:46:06,742 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:46:06,743 INFO  L495      AbstractCegarLoop]: Abstraction has 57 states and 64 transitions.
[2023-11-19 07:46:06,743 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:46:06,743 INFO  L276                IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions.
[2023-11-19 07:46:06,746 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2023-11-19 07:46:06,746 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:46:06,746 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:06,747 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:46:06,748 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2023-11-19 07:46:06,750 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:06,750 INFO  L85        PathProgramCache]: Analyzing trace with hash -1663453021, now seen corresponding path program 1 times
[2023-11-19 07:46:06,751 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:06,752 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088468807]
[2023-11-19 07:46:06,752 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:06,753 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:06,820 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:06,920 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:46:06,922 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:06,927 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:46:06,928 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:06,928 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088468807]
[2023-11-19 07:46:06,928 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088468807] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:46:06,929 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003058462]
[2023-11-19 07:46:06,929 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:06,929 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:46:06,929 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:46:06,931 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:46:06,966 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-19 07:46:07,081 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:07,083 INFO  L262         TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-19 07:46:07,090 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:46:07,160 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:46:07,160 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:46:07,160 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003058462] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:07,165 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:46:07,165 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2023-11-19 07:46:07,166 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693612015]
[2023-11-19 07:46:07,166 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:07,168 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:46:07,168 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:07,170 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:46:07,171 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:46:07,171 INFO  L87              Difference]: Start difference. First operand 57 states and 64 transitions. Second operand  has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:46:07,234 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:46:07,238 INFO  L93              Difference]: Finished difference Result 101 states and 114 transitions.
[2023-11-19 07:46:07,239 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-19 07:46:07,240 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15
[2023-11-19 07:46:07,240 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:46:07,241 INFO  L225             Difference]: With dead ends: 101
[2023-11-19 07:46:07,242 INFO  L226             Difference]: Without dead ends: 52
[2023-11-19 07:46:07,243 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2023-11-19 07:46:07,245 INFO  L413           NwaCegarLoop]: 53 mSDtfsCounter, 19 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:46:07,246 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 170 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:46:07,249 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 52 states.
[2023-11-19 07:46:07,257 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52.
[2023-11-19 07:46:07,258 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 46 states have internal predecessors, (50), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2023-11-19 07:46:07,262 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 58 transitions.
[2023-11-19 07:46:07,263 INFO  L78                 Accepts]: Start accepts. Automaton has 52 states and 58 transitions. Word has length 15
[2023-11-19 07:46:07,263 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:46:07,264 INFO  L495      AbstractCegarLoop]: Abstraction has 52 states and 58 transitions.
[2023-11-19 07:46:07,265 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:46:07,265 INFO  L276                IsEmpty]: Start isEmpty. Operand 52 states and 58 transitions.
[2023-11-19 07:46:07,267 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-11-19 07:46:07,267 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:46:07,268 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:07,294 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-19 07:46:07,481 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:46:07,482 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2023-11-19 07:46:07,482 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:07,482 INFO  L85        PathProgramCache]: Analyzing trace with hash -852111991, now seen corresponding path program 1 times
[2023-11-19 07:46:07,482 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:07,483 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005573154]
[2023-11-19 07:46:07,483 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:07,483 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:07,520 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:07,721 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:46:07,723 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:07,728 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:46:07,729 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:07,729 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005573154]
[2023-11-19 07:46:07,729 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005573154] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:07,730 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:07,730 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:46:07,730 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761203600]
[2023-11-19 07:46:07,730 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:07,731 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:46:07,731 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:07,732 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:46:07,732 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:46:07,732 INFO  L87              Difference]: Start difference. First operand 52 states and 58 transitions. Second operand  has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:46:07,788 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:46:07,788 INFO  L93              Difference]: Finished difference Result 52 states and 58 transitions.
[2023-11-19 07:46:07,789 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-19 07:46:07,789 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17
[2023-11-19 07:46:07,790 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:46:07,790 INFO  L225             Difference]: With dead ends: 52
[2023-11-19 07:46:07,791 INFO  L226             Difference]: Without dead ends: 51
[2023-11-19 07:46:07,791 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:46:07,792 INFO  L413           NwaCegarLoop]: 49 mSDtfsCounter, 13 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:46:07,793 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 138 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:46:07,794 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2023-11-19 07:46:07,802 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51.
[2023-11-19 07:46:07,802 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 45 states have internal predecessors, (49), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2023-11-19 07:46:07,804 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 57 transitions.
[2023-11-19 07:46:07,804 INFO  L78                 Accepts]: Start accepts. Automaton has 51 states and 57 transitions. Word has length 17
[2023-11-19 07:46:07,804 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:46:07,805 INFO  L495      AbstractCegarLoop]: Abstraction has 51 states and 57 transitions.
[2023-11-19 07:46:07,805 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:46:07,805 INFO  L276                IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions.
[2023-11-19 07:46:07,806 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-11-19 07:46:07,806 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:46:07,813 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:07,813 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:46:07,814 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2023-11-19 07:46:07,819 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:07,819 INFO  L85        PathProgramCache]: Analyzing trace with hash -645667868, now seen corresponding path program 1 times
[2023-11-19 07:46:07,820 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:07,820 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427487275]
[2023-11-19 07:46:07,820 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:07,820 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:07,848 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:07,966 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:46:07,969 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:07,975 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-19 07:46:07,975 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:07,976 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427487275]
[2023-11-19 07:46:07,976 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427487275] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:07,976 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:07,976 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:46:07,977 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339545336]
[2023-11-19 07:46:07,977 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:07,978 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:46:07,979 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:07,980 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:46:07,980 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:46:07,981 INFO  L87              Difference]: Start difference. First operand 51 states and 57 transitions. Second operand  has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:46:08,020 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:46:08,021 INFO  L93              Difference]: Finished difference Result 51 states and 57 transitions.
[2023-11-19 07:46:08,021 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-19 07:46:08,022 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18
[2023-11-19 07:46:08,022 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:46:08,025 INFO  L225             Difference]: With dead ends: 51
[2023-11-19 07:46:08,025 INFO  L226             Difference]: Without dead ends: 50
[2023-11-19 07:46:08,025 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:46:08,033 INFO  L413           NwaCegarLoop]: 52 mSDtfsCounter, 0 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:46:08,034 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:46:08,037 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 50 states.
[2023-11-19 07:46:08,047 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50.
[2023-11-19 07:46:08,047 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 50 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 44 states have internal predecessors, (48), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2023-11-19 07:46:08,048 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions.
[2023-11-19 07:46:08,049 INFO  L78                 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 18
[2023-11-19 07:46:08,049 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:46:08,049 INFO  L495      AbstractCegarLoop]: Abstraction has 50 states and 56 transitions.
[2023-11-19 07:46:08,049 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:46:08,050 INFO  L276                IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions.
[2023-11-19 07:46:08,050 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2023-11-19 07:46:08,050 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:46:08,051 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:08,051 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:46:08,051 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2023-11-19 07:46:08,052 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:08,052 INFO  L85        PathProgramCache]: Analyzing trace with hash -2050648543, now seen corresponding path program 1 times
[2023-11-19 07:46:08,052 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:08,052 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828045765]
[2023-11-19 07:46:08,052 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:08,053 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:08,068 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:08,097 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:46:08,099 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:08,102 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-19 07:46:08,103 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:08,103 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828045765]
[2023-11-19 07:46:08,103 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828045765] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:08,103 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:08,104 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:46:08,104 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628087815]
[2023-11-19 07:46:08,104 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:08,104 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:46:08,105 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:08,105 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:46:08,105 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:46:08,106 INFO  L87              Difference]: Start difference. First operand 50 states and 56 transitions. Second operand  has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:46:08,133 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:46:08,133 INFO  L93              Difference]: Finished difference Result 86 states and 97 transitions.
[2023-11-19 07:46:08,134 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 07:46:08,134 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20
[2023-11-19 07:46:08,134 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:46:08,137 INFO  L225             Difference]: With dead ends: 86
[2023-11-19 07:46:08,137 INFO  L226             Difference]: Without dead ends: 62
[2023-11-19 07:46:08,138 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:46:08,139 INFO  L413           NwaCegarLoop]: 55 mSDtfsCounter, 10 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:46:08,139 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 104 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:46:08,141 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 62 states.
[2023-11-19 07:46:08,153 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 51.
[2023-11-19 07:46:08,156 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 45 states have internal predecessors, (49), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2023-11-19 07:46:08,160 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 57 transitions.
[2023-11-19 07:46:08,160 INFO  L78                 Accepts]: Start accepts. Automaton has 51 states and 57 transitions. Word has length 20
[2023-11-19 07:46:08,161 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:46:08,161 INFO  L495      AbstractCegarLoop]: Abstraction has 51 states and 57 transitions.
[2023-11-19 07:46:08,161 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:46:08,162 INFO  L276                IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions.
[2023-11-19 07:46:08,167 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2023-11-19 07:46:08,167 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:46:08,167 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:08,168 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 07:46:08,168 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2023-11-19 07:46:08,168 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:08,169 INFO  L85        PathProgramCache]: Analyzing trace with hash -2015132385, now seen corresponding path program 1 times
[2023-11-19 07:46:08,169 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:08,169 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557642878]
[2023-11-19 07:46:08,169 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:08,169 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:08,184 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:08,230 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:46:08,231 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:08,234 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 07:46:08,237 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:08,241 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2023-11-19 07:46:08,242 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:08,242 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557642878]
[2023-11-19 07:46:08,242 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557642878] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:08,242 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:08,242 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:46:08,243 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866397094]
[2023-11-19 07:46:08,243 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:08,243 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:46:08,243 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:08,244 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:46:08,244 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:46:08,244 INFO  L87              Difference]: Start difference. First operand 51 states and 57 transitions. Second operand  has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 07:46:08,273 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:46:08,274 INFO  L93              Difference]: Finished difference Result 62 states and 71 transitions.
[2023-11-19 07:46:08,274 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-19 07:46:08,274 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23
[2023-11-19 07:46:08,275 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:46:08,275 INFO  L225             Difference]: With dead ends: 62
[2023-11-19 07:46:08,275 INFO  L226             Difference]: Without dead ends: 60
[2023-11-19 07:46:08,276 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:46:08,277 INFO  L413           NwaCegarLoop]: 53 mSDtfsCounter, 7 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:46:08,277 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 151 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:46:08,278 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2023-11-19 07:46:08,284 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60.
[2023-11-19 07:46:08,284 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 60 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 53 states have internal predecessors, (57), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2023-11-19 07:46:08,285 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 69 transitions.
[2023-11-19 07:46:08,285 INFO  L78                 Accepts]: Start accepts. Automaton has 60 states and 69 transitions. Word has length 23
[2023-11-19 07:46:08,286 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:46:08,286 INFO  L495      AbstractCegarLoop]: Abstraction has 60 states and 69 transitions.
[2023-11-19 07:46:08,286 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 07:46:08,286 INFO  L276                IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions.
[2023-11-19 07:46:08,287 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2023-11-19 07:46:08,288 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:46:08,288 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:08,288 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-19 07:46:08,288 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2023-11-19 07:46:08,289 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:08,289 INFO  L85        PathProgramCache]: Analyzing trace with hash -1682183237, now seen corresponding path program 1 times
[2023-11-19 07:46:08,289 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:08,289 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147151536]
[2023-11-19 07:46:08,289 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:08,290 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:08,306 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:08,352 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:46:08,354 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:08,357 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 07:46:08,358 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:08,361 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2023-11-19 07:46:08,362 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:08,362 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147151536]
[2023-11-19 07:46:08,362 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147151536] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:08,362 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:08,362 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:46:08,363 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155467284]
[2023-11-19 07:46:08,363 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:08,363 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:46:08,363 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:08,364 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:46:08,364 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:46:08,364 INFO  L87              Difference]: Start difference. First operand 60 states and 69 transitions. Second operand  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:46:08,391 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:46:08,391 INFO  L93              Difference]: Finished difference Result 82 states and 92 transitions.
[2023-11-19 07:46:08,392 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-19 07:46:08,392 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30
[2023-11-19 07:46:08,392 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:46:08,393 INFO  L225             Difference]: With dead ends: 82
[2023-11-19 07:46:08,393 INFO  L226             Difference]: Without dead ends: 64
[2023-11-19 07:46:08,394 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:46:08,394 INFO  L413           NwaCegarLoop]: 52 mSDtfsCounter, 3 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:46:08,395 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 152 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:46:08,396 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 64 states.
[2023-11-19 07:46:08,401 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64.
[2023-11-19 07:46:08,402 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 64 states, 48 states have (on average 1.2708333333333333) internal successors, (61), 57 states have internal predecessors, (61), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2023-11-19 07:46:08,402 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 73 transitions.
[2023-11-19 07:46:08,403 INFO  L78                 Accepts]: Start accepts. Automaton has 64 states and 73 transitions. Word has length 30
[2023-11-19 07:46:08,403 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:46:08,403 INFO  L495      AbstractCegarLoop]: Abstraction has 64 states and 73 transitions.
[2023-11-19 07:46:08,403 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:46:08,404 INFO  L276                IsEmpty]: Start isEmpty. Operand 64 states and 73 transitions.
[2023-11-19 07:46:08,405 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2023-11-19 07:46:08,405 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:46:08,405 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:08,405 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-19 07:46:08,406 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2023-11-19 07:46:08,406 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:08,406 INFO  L85        PathProgramCache]: Analyzing trace with hash 1293357381, now seen corresponding path program 1 times
[2023-11-19 07:46:08,407 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:08,407 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482015030]
[2023-11-19 07:46:08,407 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:08,407 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:08,440 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:08,511 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:46:08,513 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:08,516 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 07:46:08,518 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:08,525 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2023-11-19 07:46:08,528 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:08,533 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2023-11-19 07:46:08,533 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:08,533 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482015030]
[2023-11-19 07:46:08,534 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482015030] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:46:08,534 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596433288]
[2023-11-19 07:46:08,534 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:08,534 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:46:08,534 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:46:08,538 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:46:08,567 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-19 07:46:08,656 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:08,657 INFO  L262         TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-19 07:46:08,664 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:46:08,704 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2023-11-19 07:46:08,705 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:46:08,705 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [596433288] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:08,705 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:46:08,705 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2023-11-19 07:46:08,705 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267570570]
[2023-11-19 07:46:08,706 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:08,706 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:46:08,706 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:08,707 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:46:08,708 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:46:08,710 INFO  L87              Difference]: Start difference. First operand 64 states and 73 transitions. Second operand  has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-11-19 07:46:08,746 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:46:08,747 INFO  L93              Difference]: Finished difference Result 97 states and 108 transitions.
[2023-11-19 07:46:08,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-19 07:46:08,748 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 33
[2023-11-19 07:46:08,749 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:46:08,749 INFO  L225             Difference]: With dead ends: 97
[2023-11-19 07:46:08,749 INFO  L226             Difference]: Without dead ends: 53
[2023-11-19 07:46:08,750 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2023-11-19 07:46:08,751 INFO  L413           NwaCegarLoop]: 49 mSDtfsCounter, 8 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:46:08,752 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 177 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:46:08,752 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 53 states.
[2023-11-19 07:46:08,758 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53.
[2023-11-19 07:46:08,759 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53 states, 41 states have (on average 1.2195121951219512) internal successors, (50), 47 states have internal predecessors, (50), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2023-11-19 07:46:08,759 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions.
[2023-11-19 07:46:08,759 INFO  L78                 Accepts]: Start accepts. Automaton has 53 states and 58 transitions. Word has length 33
[2023-11-19 07:46:08,761 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:46:08,761 INFO  L495      AbstractCegarLoop]: Abstraction has 53 states and 58 transitions.
[2023-11-19 07:46:08,762 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-11-19 07:46:08,762 INFO  L276                IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions.
[2023-11-19 07:46:08,767 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2023-11-19 07:46:08,767 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:46:08,767 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:08,789 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-11-19 07:46:08,989 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7
[2023-11-19 07:46:08,989 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2023-11-19 07:46:08,990 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:08,990 INFO  L85        PathProgramCache]: Analyzing trace with hash 1078737463, now seen corresponding path program 1 times
[2023-11-19 07:46:08,990 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:08,990 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55424025]
[2023-11-19 07:46:08,990 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:08,990 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:09,007 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:09,068 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:46:09,069 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:09,073 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 07:46:09,075 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:09,079 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2023-11-19 07:46:09,080 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:09,080 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55424025]
[2023-11-19 07:46:09,080 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55424025] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:46:09,080 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219056038]
[2023-11-19 07:46:09,080 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:09,081 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:46:09,081 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:46:09,082 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:46:09,104 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-19 07:46:09,200 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:09,201 INFO  L262         TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-19 07:46:09,208 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:46:09,249 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2023-11-19 07:46:09,249 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:46:09,249 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219056038] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:09,249 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:46:09,250 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2023-11-19 07:46:09,250 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709720687]
[2023-11-19 07:46:09,250 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:09,250 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:46:09,251 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:09,251 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:46:09,251 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:46:09,252 INFO  L87              Difference]: Start difference. First operand 53 states and 58 transitions. Second operand  has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:46:09,280 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:46:09,281 INFO  L93              Difference]: Finished difference Result 70 states and 76 transitions.
[2023-11-19 07:46:09,281 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-19 07:46:09,282 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34
[2023-11-19 07:46:09,282 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:46:09,282 INFO  L225             Difference]: With dead ends: 70
[2023-11-19 07:46:09,283 INFO  L226             Difference]: Without dead ends: 48
[2023-11-19 07:46:09,284 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2023-11-19 07:46:09,286 INFO  L413           NwaCegarLoop]: 47 mSDtfsCounter, 28 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:46:09,287 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 126 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:46:09,287 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 48 states.
[2023-11-19 07:46:09,291 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48.
[2023-11-19 07:46:09,293 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 48 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 42 states have internal predecessors, (44), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2023-11-19 07:46:09,294 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions.
[2023-11-19 07:46:09,294 INFO  L78                 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 34
[2023-11-19 07:46:09,295 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:46:09,296 INFO  L495      AbstractCegarLoop]: Abstraction has 48 states and 52 transitions.
[2023-11-19 07:46:09,296 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:46:09,297 INFO  L276                IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions.
[2023-11-19 07:46:09,298 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2023-11-19 07:46:09,299 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:46:09,299 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:09,324 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-11-19 07:46:09,520 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8
[2023-11-19 07:46:09,520 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2023-11-19 07:46:09,520 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:09,521 INFO  L85        PathProgramCache]: Analyzing trace with hash -918928353, now seen corresponding path program 1 times
[2023-11-19 07:46:09,521 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:09,521 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702566499]
[2023-11-19 07:46:09,521 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:09,521 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:09,539 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:09,596 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:46:09,598 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:09,601 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 07:46:09,602 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:09,605 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2023-11-19 07:46:09,605 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:09,605 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702566499]
[2023-11-19 07:46:09,606 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702566499] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:09,606 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:09,606 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:46:09,606 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688046350]
[2023-11-19 07:46:09,606 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:09,607 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:46:09,607 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:09,607 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:46:09,607 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:46:09,608 INFO  L87              Difference]: Start difference. First operand 48 states and 52 transitions. Second operand  has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:46:09,632 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:46:09,632 INFO  L93              Difference]: Finished difference Result 53 states and 57 transitions.
[2023-11-19 07:46:09,632 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-19 07:46:09,633 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35
[2023-11-19 07:46:09,633 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:46:09,634 INFO  L225             Difference]: With dead ends: 53
[2023-11-19 07:46:09,634 INFO  L226             Difference]: Without dead ends: 51
[2023-11-19 07:46:09,634 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:46:09,635 INFO  L413           NwaCegarLoop]: 49 mSDtfsCounter, 3 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:46:09,636 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 138 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:46:09,636 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2023-11-19 07:46:09,649 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51.
[2023-11-19 07:46:09,650 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51 states, 41 states have (on average 1.146341463414634) internal successors, (47), 45 states have internal predecessors, (47), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2023-11-19 07:46:09,650 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions.
[2023-11-19 07:46:09,651 INFO  L78                 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 35
[2023-11-19 07:46:09,652 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:46:09,652 INFO  L495      AbstractCegarLoop]: Abstraction has 51 states and 55 transitions.
[2023-11-19 07:46:09,652 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:46:09,652 INFO  L276                IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions.
[2023-11-19 07:46:09,655 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2023-11-19 07:46:09,656 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:46:09,656 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:09,656 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2023-11-19 07:46:09,656 INFO  L420      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2023-11-19 07:46:09,657 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:09,657 INFO  L85        PathProgramCache]: Analyzing trace with hash -1539542397, now seen corresponding path program 1 times
[2023-11-19 07:46:09,657 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:09,657 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405138855]
[2023-11-19 07:46:09,658 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:09,658 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:09,681 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:09,765 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:46:09,766 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:09,769 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 07:46:09,770 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:09,773 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36
[2023-11-19 07:46:09,775 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:09,781 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2023-11-19 07:46:09,782 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:09,782 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405138855]
[2023-11-19 07:46:09,782 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405138855] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:09,782 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:09,782 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:46:09,782 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223672657]
[2023-11-19 07:46:09,783 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:09,797 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:46:09,797 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:09,798 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:46:09,798 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:46:09,798 INFO  L87              Difference]: Start difference. First operand 51 states and 55 transitions. Second operand  has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2023-11-19 07:46:09,826 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:46:09,826 INFO  L93              Difference]: Finished difference Result 58 states and 63 transitions.
[2023-11-19 07:46:09,826 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-19 07:46:09,826 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 43
[2023-11-19 07:46:09,827 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:46:09,827 INFO  L225             Difference]: With dead ends: 58
[2023-11-19 07:46:09,828 INFO  L226             Difference]: Without dead ends: 56
[2023-11-19 07:46:09,828 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:46:09,829 INFO  L413           NwaCegarLoop]: 48 mSDtfsCounter, 3 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:46:09,829 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 140 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:46:09,830 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2023-11-19 07:46:09,833 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56.
[2023-11-19 07:46:09,834 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 56 states, 45 states have (on average 1.1333333333333333) internal successors, (51), 49 states have internal predecessors, (51), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2023-11-19 07:46:09,834 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 61 transitions.
[2023-11-19 07:46:09,835 INFO  L78                 Accepts]: Start accepts. Automaton has 56 states and 61 transitions. Word has length 43
[2023-11-19 07:46:09,835 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:46:09,835 INFO  L495      AbstractCegarLoop]: Abstraction has 56 states and 61 transitions.
[2023-11-19 07:46:09,835 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2023-11-19 07:46:09,835 INFO  L276                IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions.
[2023-11-19 07:46:09,836 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2023-11-19 07:46:09,836 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:46:09,836 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:09,837 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2023-11-19 07:46:09,837 INFO  L420      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2023-11-19 07:46:09,837 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:09,837 INFO  L85        PathProgramCache]: Analyzing trace with hash 1448335651, now seen corresponding path program 1 times
[2023-11-19 07:46:09,838 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:46:09,838 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096546984]
[2023-11-19 07:46:09,838 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:09,838 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:46:09,853 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:09,920 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:46:09,921 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:09,924 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 07:46:09,925 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:09,928 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36
[2023-11-19 07:46:09,930 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:09,933 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2023-11-19 07:46:09,934 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:46:09,934 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096546984]
[2023-11-19 07:46:09,934 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096546984] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:46:09,934 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297051494]
[2023-11-19 07:46:09,934 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:09,934 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:46:09,935 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:46:09,936 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:46:09,957 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-11-19 07:46:10,067 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:10,068 INFO  L262         TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-19 07:46:10,071 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:46:10,101 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2023-11-19 07:46:10,101 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:46:10,102 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297051494] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:10,102 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:46:10,102 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2023-11-19 07:46:10,102 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351123094]
[2023-11-19 07:46:10,102 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:10,103 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:46:10,103 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:46:10,103 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:46:10,104 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:46:10,104 INFO  L87              Difference]: Start difference. First operand 56 states and 61 transitions. Second operand  has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2023-11-19 07:46:10,126 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:46:10,126 INFO  L93              Difference]: Finished difference Result 60 states and 64 transitions.
[2023-11-19 07:46:10,127 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-19 07:46:10,127 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46
[2023-11-19 07:46:10,127 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:46:10,128 INFO  L225             Difference]: With dead ends: 60
[2023-11-19 07:46:10,128 INFO  L226             Difference]: Without dead ends: 0
[2023-11-19 07:46:10,128 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2023-11-19 07:46:10,129 INFO  L413           NwaCegarLoop]: 44 mSDtfsCounter, 2 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:46:10,130 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 128 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:46:10,130 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-19 07:46:10,130 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-19 07:46:10,131 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:46:10,131 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-19 07:46:10,131 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46
[2023-11-19 07:46:10,131 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:46:10,131 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 07:46:10,131 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2023-11-19 07:46:10,132 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-19 07:46:10,132 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-19 07:46:10,134 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining)
[2023-11-19 07:46:10,135 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining)
[2023-11-19 07:46:10,135 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining)
[2023-11-19 07:46:10,135 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining)
[2023-11-19 07:46:10,135 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining)
[2023-11-19 07:46:10,136 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining)
[2023-11-19 07:46:10,136 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining)
[2023-11-19 07:46:10,136 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining)
[2023-11-19 07:46:10,136 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining)
[2023-11-19 07:46:10,136 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining)
[2023-11-19 07:46:10,137 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining)
[2023-11-19 07:46:10,137 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining)
[2023-11-19 07:46:10,163 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2023-11-19 07:46:10,353 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2023-11-19 07:46:10,355 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-19 07:46:10,435 INFO  L902   garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true
[2023-11-19 07:46:10,436 INFO  L899   garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed.
[2023-11-19 07:46:10,436 INFO  L899   garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed.
[2023-11-19 07:46:10,436 INFO  L899   garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed.
[2023-11-19 07:46:10,436 INFO  L902   garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true
[2023-11-19 07:46:10,437 INFO  L899   garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed.
[2023-11-19 07:46:10,437 INFO  L899   garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed.
[2023-11-19 07:46:10,437 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1561) no Hoare annotation was computed.
[2023-11-19 07:46:10,437 INFO  L895   garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: (and (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|) 2147483648)) (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (= |ULTIMATE.start_goodB2G_~k~0#1| 0))
[2023-11-19 07:46:10,437 INFO  L899   garLoopResultBuilder]: For program point L1567-1(lines 1557 1569) no Hoare annotation was computed.
[2023-11-19 07:46:10,438 INFO  L895   garLoopResultBuilder]: At program point L1563(line 1563) the Hoare annotation is: (and (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|) 2147483648)) (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (= |ULTIMATE.start_goodB2G_~k~0#1| 0))
[2023-11-19 07:46:10,438 INFO  L899   garLoopResultBuilder]: For program point L1563-1(line 1563) no Hoare annotation was computed.
[2023-11-19 07:46:10,438 INFO  L899   garLoopResultBuilder]: For program point L1559(lines 1559 1568) no Hoare annotation was computed.
[2023-11-19 07:46:10,438 INFO  L899   garLoopResultBuilder]: For program point L1580-2(lines 1580 1587) no Hoare annotation was computed.
[2023-11-19 07:46:10,439 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1580) no Hoare annotation was computed.
[2023-11-19 07:46:10,439 INFO  L899   garLoopResultBuilder]: For program point L1580-3(line 1580) no Hoare annotation was computed.
[2023-11-19 07:46:10,439 INFO  L899   garLoopResultBuilder]: For program point main_returnLabel#1(lines 1594 1601) no Hoare annotation was computed.
[2023-11-19 07:46:10,440 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed.
[2023-11-19 07:46:10,440 INFO  L899   garLoopResultBuilder]: For program point L1580-4(line 1580) no Hoare annotation was computed.
[2023-11-19 07:46:10,440 INFO  L895   garLoopResultBuilder]: At program point L1580-5(lines 1580 1587) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_goodG2B_~h~0#1|))) (or (and (<= 1 |ULTIMATE.start_goodG2B_~j~0#1|) .cse0) (and (= |ULTIMATE.start_goodG2B_~j~0#1| 0) .cse0 (= |ULTIMATE.start_goodG2B_~data~1#1| 2))))
[2023-11-19 07:46:10,440 INFO  L899   garLoopResultBuilder]: For program point L1576-2(lines 1576 1579) no Hoare annotation was computed.
[2023-11-19 07:46:10,441 INFO  L899   garLoopResultBuilder]: For program point L1576-3(line 1576) no Hoare annotation was computed.
[2023-11-19 07:46:10,441 INFO  L899   garLoopResultBuilder]: For program point L1576-4(line 1576) no Hoare annotation was computed.
[2023-11-19 07:46:10,441 INFO  L895   garLoopResultBuilder]: At program point L1576-5(lines 1576 1579) the Hoare annotation is: (or (and (<= 1 |ULTIMATE.start_goodG2B_~h~0#1|) (= |ULTIMATE.start_goodG2B_~data~1#1| 2)) (= |ULTIMATE.start_goodG2B_~h~0#1| 0))
[2023-11-19 07:46:10,441 INFO  L899   garLoopResultBuilder]: For program point L1576-6(lines 1576 1579) no Hoare annotation was computed.
[2023-11-19 07:46:10,442 INFO  L899   garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-11-19 07:46:10,442 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed.
[2023-11-19 07:46:10,443 INFO  L902   garLoopResultBuilder]: At program point L1597(line 1597) the Hoare annotation is: true
[2023-11-19 07:46:10,443 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1557) no Hoare annotation was computed.
[2023-11-19 07:46:10,443 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-11-19 07:46:10,443 INFO  L899   garLoopResultBuilder]: For program point L1597-1(line 1597) no Hoare annotation was computed.
[2023-11-19 07:46:10,443 INFO  L899   garLoopResultBuilder]: For program point L1589(lines 1589 1593) no Hoare annotation was computed.
[2023-11-19 07:46:10,444 INFO  L895   garLoopResultBuilder]: At program point L1585(line 1585) the Hoare annotation is: (and (= |ULTIMATE.start_goodG2B_~j~0#1| 0) (<= 1 |ULTIMATE.start_goodG2B_~h~0#1|))
[2023-11-19 07:46:10,444 INFO  L899   garLoopResultBuilder]: For program point L1585-1(line 1585) no Hoare annotation was computed.
[2023-11-19 07:46:10,444 INFO  L899   garLoopResultBuilder]: For program point L1548(lines 1548 1570) no Hoare annotation was computed.
[2023-11-19 07:46:10,444 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1583) no Hoare annotation was computed.
[2023-11-19 07:46:10,444 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed.
[2023-11-19 07:46:10,444 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-19 07:46:10,445 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1557) no Hoare annotation was computed.
[2023-11-19 07:46:10,445 INFO  L899   garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed.
[2023-11-19 07:46:10,445 INFO  L899   garLoopResultBuilder]: For program point L1561-1(line 1561) no Hoare annotation was computed.
[2023-11-19 07:46:10,445 INFO  L899   garLoopResultBuilder]: For program point L1557-2(line 1557) no Hoare annotation was computed.
[2023-11-19 07:46:10,445 INFO  L899   garLoopResultBuilder]: For program point L1557-3(line 1557) no Hoare annotation was computed.
[2023-11-19 07:46:10,445 INFO  L895   garLoopResultBuilder]: At program point L1557-4(lines 1557 1569) the Hoare annotation is: (let ((.cse0 (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|) 2147483648))) (.cse1 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_goodB2G_~k~0#1| 0)) (and .cse0 .cse1 (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|))))
[2023-11-19 07:46:10,446 INFO  L899   garLoopResultBuilder]: For program point L1557-5(lines 1557 1569) no Hoare annotation was computed.
[2023-11-19 07:46:10,446 INFO  L899   garLoopResultBuilder]: For program point L1553-2(lines 1553 1556) no Hoare annotation was computed.
[2023-11-19 07:46:10,446 INFO  L899   garLoopResultBuilder]: For program point L1553-3(line 1553) no Hoare annotation was computed.
[2023-11-19 07:46:10,446 INFO  L899   garLoopResultBuilder]: For program point L1553-4(line 1553) no Hoare annotation was computed.
[2023-11-19 07:46:10,455 INFO  L895   garLoopResultBuilder]: At program point L1553-5(lines 1553 1556) the Hoare annotation is: (let ((.cse0 (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|) 2147483648)))) (or (and .cse0 (= |ULTIMATE.start_goodB2G_~i~1#1| 0)) (and .cse0 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|))))
[2023-11-19 07:46:10,463 INFO  L899   garLoopResultBuilder]: For program point L1553-6(lines 1553 1556) no Hoare annotation was computed.
[2023-11-19 07:46:10,463 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1583) no Hoare annotation was computed.
[2023-11-19 07:46:10,464 INFO  L899   garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-19 07:46:10,464 INFO  L902   garLoopResultBuilder]: At program point L1599(line 1599) the Hoare annotation is: true
[2023-11-19 07:46:10,464 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1561) no Hoare annotation was computed.
[2023-11-19 07:46:10,464 INFO  L899   garLoopResultBuilder]: For program point L1599-1(line 1599) no Hoare annotation was computed.
[2023-11-19 07:46:10,464 INFO  L899   garLoopResultBuilder]: For program point L1583(line 1583) no Hoare annotation was computed.
[2023-11-19 07:46:10,464 INFO  L899   garLoopResultBuilder]: For program point L1583-1(line 1583) no Hoare annotation was computed.
[2023-11-19 07:46:10,465 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1580) no Hoare annotation was computed.
[2023-11-19 07:46:10,465 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed.
[2023-11-19 07:46:10,465 INFO  L899   garLoopResultBuilder]: For program point L1571(lines 1571 1588) no Hoare annotation was computed.
[2023-11-19 07:46:10,468 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:10,472 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:46:10,488 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#data~0!base][~#data~0!offset] could not be translated
[2023-11-19 07:46:10,489 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#data~0!base][~#data~0!offset] could not be translated
[2023-11-19 07:46:10,490 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#data~0!base][~#data~0!offset] could not be translated
[2023-11-19 07:46:10,490 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#data~0!base][~#data~0!offset] could not be translated
[2023-11-19 07:46:10,491 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:46:10 BoogieIcfgContainer
[2023-11-19 07:46:10,491 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:46:10,492 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:46:10,492 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:46:10,492 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-11-19 07:46:10,493 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:05" (3/4) ...
[2023-11-19 07:46:10,495 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:46:10,500 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure printLine
[2023-11-19 07:46:10,500 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine
[2023-11-19 07:46:10,508 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges
[2023-11-19 07:46:10,509 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges
[2023-11-19 07:46:10,509 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-19 07:46:10,510 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:46:10,619 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:46:10,620 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:46:10,620 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:46:10,621 INFO  L158              Benchmark]: Toolchain (without parser) took 6834.31ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 120.0MB in the beginning and 93.0MB in the end (delta: 27.1MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB.
[2023-11-19 07:46:10,621 INFO  L158              Benchmark]: CDTParser took 0.31ms. Allocated memory is still 107.0MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:46:10,622 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 1501.10ms. Allocated memory is still 148.9MB. Free memory was 120.0MB in the beginning and 56.5MB in the end (delta: 63.5MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB.
[2023-11-19 07:46:10,622 INFO  L158              Benchmark]: Boogie Procedure Inliner took 98.09ms. Allocated memory is still 148.9MB. Free memory was 56.5MB in the beginning and 53.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:46:10,623 INFO  L158              Benchmark]: Boogie Preprocessor took 33.94ms. Allocated memory is still 148.9MB. Free memory was 53.8MB in the beginning and 51.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:46:10,623 INFO  L158              Benchmark]: RCFGBuilder took 463.82ms. Allocated memory is still 148.9MB. Free memory was 51.7MB in the beginning and 116.8MB in the end (delta: -65.2MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB.
[2023-11-19 07:46:10,624 INFO  L158              Benchmark]: TraceAbstraction took 4602.66ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 116.8MB in the beginning and 99.3MB in the end (delta: 17.5MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB.
[2023-11-19 07:46:10,624 INFO  L158              Benchmark]: Witness Printer took 128.18ms. Allocated memory is still 180.4MB. Free memory was 98.2MB in the beginning and 93.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2023-11-19 07:46:10,626 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.31ms. Allocated memory is still 107.0MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 1501.10ms. Allocated memory is still 148.9MB. Free memory was 120.0MB in the beginning and 56.5MB in the end (delta: 63.5MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 98.09ms. Allocated memory is still 148.9MB. Free memory was 56.5MB in the beginning and 53.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 33.94ms. Allocated memory is still 148.9MB. Free memory was 53.8MB in the beginning and 51.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 463.82ms. Allocated memory is still 148.9MB. Free memory was 51.7MB in the beginning and 116.8MB in the end (delta: -65.2MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB.
 * TraceAbstraction took 4602.66ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 116.8MB in the beginning and 99.3MB in the end (delta: 17.5MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB.
 * Witness Printer took 128.18ms. Allocated memory is still 180.4MB. Free memory was 98.2MB in the beginning and 93.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#data~0!base][~#data~0!offset] could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#data~0!base][~#data~0!offset] could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#data~0!base][~#data~0!offset] could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#data~0!base][~#data~0!offset] could not be translated
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 1553]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1553]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1561]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1561]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1557]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1557]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1576]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1576]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1583]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1583]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1580]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1580]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 3 procedures, 60 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 108 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 99 mSDsluCounter, 1758 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1143 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 193 IncrementalHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 615 mSDtfsCounter, 193 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 223 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=7, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 11 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 28 PreInvPairs, 40 NumberOfFragments, 132 HoareAnnotationTreeSize, 28 FomulaSimplifications, 58 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 453 NumberOfCodeBlocks, 453 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 437 ConstructedInterpolants, 0 QuantifiedInterpolants, 667 SizeOfPredicates, 4 NumberOfNonLiveVariables, 657 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 102/106 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    12 specifications checked. All of them hold
  - InvariantResult [Line: 1576]: Loop Invariant
    Derived loop invariant: (((1 <= h) && (data == 2)) || (h == 0))
  - InvariantResult [Line: 1580]: Loop Invariant
    Derived loop invariant: (((1 <= j) && (1 <= h)) || (((j == 0) && (1 <= h)) && (data == 2)))
  - InvariantResult [Line: 1553]: Loop Invariant
    Derived loop invariant: ((i == 0) || (1 <= i))
  - InvariantResult [Line: 1557]: Loop Invariant
    Derived loop invariant: (((1 <= i) && (k == 0)) || ((1 <= i) && (1 <= k)))
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:46:10,666 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a502bbf-025c-45b7-8e92-b737d7d1b4c7/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

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