./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_08_good.i --full-output --architecture 64bit


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


Checking for overflows
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/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_eff541d9-0f70-464f-8a45-3322207e43fb/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/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_eff541d9-0f70-464f-8a45-3322207e43fb/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 49988e9645477874282b5a4c8f3947bb845a29899f2cd8be15967a5457c91d03
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:39:49,307 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:39:49,383 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2023-11-19 07:39:49,389 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:39:49,390 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:39:49,419 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:39:49,420 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:39:49,421 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:39:49,422 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:39:49,423 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:39:49,424 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:39:49,424 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-19 07:39:49,425 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-19 07:39:49,426 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:39:49,426 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:39:49,427 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-19 07:39:49,427 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-19 07:39:49,428 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:39:49,428 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:39:49,429 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:39:49,429 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=true
[2023-11-19 07:39:49,430 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-11-19 07:39:49,430 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-19 07:39:49,431 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-19 07:39:49,431 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:39:49,432 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-19 07:39:49,434 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-19 07:39:49,434 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:39:49,435 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:39:49,435 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:39:49,436 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:39:49,437 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-19 07:39:49,438 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:39:49,438 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:39:49,438 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:39:49,438 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:39:49,439 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:39:49,439 INFO  L153        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:39:49,439 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_eff541d9-0f70-464f-8a45-3322207e43fb/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_eff541d9-0f70-464f-8a45-3322207e43fb/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 -> 49988e9645477874282b5a4c8f3947bb845a29899f2cd8be15967a5457c91d03
[2023-11-19 07:39:49,774 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:39:49,798 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:39:49,801 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:39:49,802 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-19 07:39:49,803 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-19 07:39:49,805 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_08_good.i
[2023-11-19 07:39:53,104 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:39:53,549 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-19 07:39:53,551 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_08_good.i
[2023-11-19 07:39:53,582 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/bin/uautomizer-verify-uCwYo4JHxu/data/3904300e5/0371b635f3f14bbba280fe4e4580c91b/FLAGcdc7a6e78
[2023-11-19 07:39:53,599 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/bin/uautomizer-verify-uCwYo4JHxu/data/3904300e5/0371b635f3f14bbba280fe4e4580c91b
[2023-11-19 07:39:53,607 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:39:53,611 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:39:53,613 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:39:53,614 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:39:53,619 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:39:53,622 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:53" (1/1) ...
[2023-11-19 07:39:53,624 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5320b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:53, skipping insertion in model container
[2023-11-19 07:39:53,624 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:53" (1/1) ...
[2023-11-19 07:39:53,728 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:39:54,173 WARN  L635        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-11-19 07:39:54,865 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:39:54,889 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-19 07:39:54,949 WARN  L635        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-11-19 07:39:55,060 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:39:55,208 WARN  L675               CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:39:55,208 WARN  L675               CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:39:55,208 WARN  L675               CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:39:55,208 WARN  L675               CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:39:55,209 WARN  L675               CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:39:55,218 INFO  L206         MainTranslator]: Completed translation
[2023-11-19 07:39:55,218 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:55 WrapperNode
[2023-11-19 07:39:55,219 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:39:55,220 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:39:55,220 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:39:55,220 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:39:55,229 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:55" (1/1) ...
[2023-11-19 07:39:55,263 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:55" (1/1) ...
[2023-11-19 07:39:55,306 INFO  L138                Inliner]: procedures = 505, calls = 95, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 150
[2023-11-19 07:39:55,307 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:39:55,308 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:39:55,308 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:39:55,308 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:39:55,326 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:55" (1/1) ...
[2023-11-19 07:39:55,327 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:55" (1/1) ...
[2023-11-19 07:39:55,342 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:55" (1/1) ...
[2023-11-19 07:39:55,342 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:55" (1/1) ...
[2023-11-19 07:39:55,352 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:55" (1/1) ...
[2023-11-19 07:39:55,367 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:55" (1/1) ...
[2023-11-19 07:39:55,370 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:55" (1/1) ...
[2023-11-19 07:39:55,374 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:55" (1/1) ...
[2023-11-19 07:39:55,378 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:39:55,393 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:39:55,393 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:39:55,393 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:39:55,394 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:55" (1/1) ...
[2023-11-19 07:39:55,405 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:39:55,421 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:39:55,435 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:39:55,468 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:39:55,483 INFO  L130     BoogieDeclarations]: Found specification of procedure printIntLine
[2023-11-19 07:39:55,483 INFO  L138     BoogieDeclarations]: Found implementation of procedure printIntLine
[2023-11-19 07:39:55,483 INFO  L130     BoogieDeclarations]: Found specification of procedure printLine
[2023-11-19 07:39:55,483 INFO  L138     BoogieDeclarations]: Found implementation of procedure printLine
[2023-11-19 07:39:55,483 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:39:55,484 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-11-19 07:39:55,484 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:39:55,484 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:39:55,484 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:39:55,486 INFO  L130     BoogieDeclarations]: Found specification of procedure staticReturnsTrue
[2023-11-19 07:39:55,487 INFO  L138     BoogieDeclarations]: Found implementation of procedure staticReturnsTrue
[2023-11-19 07:39:55,487 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:39:55,487 INFO  L130     BoogieDeclarations]: Found specification of procedure staticReturnsFalse
[2023-11-19 07:39:55,488 INFO  L138     BoogieDeclarations]: Found implementation of procedure staticReturnsFalse
[2023-11-19 07:39:55,488 INFO  L130     BoogieDeclarations]: Found specification of procedure time
[2023-11-19 07:39:55,488 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 07:39:55,488 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:39:55,717 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-19 07:39:55,719 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:39:55,998 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-19 07:39:56,007 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:39:56,007 INFO  L302             CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-19 07:39:56,011 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:56 BoogieIcfgContainer
[2023-11-19 07:39:56,012 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:39:56,014 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:39:56,014 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:39:56,018 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:39:56,018 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:39:53" (1/3) ...
[2023-11-19 07:39:56,019 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f5b7f01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:39:56, skipping insertion in model container
[2023-11-19 07:39:56,019 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:55" (2/3) ...
[2023-11-19 07:39:56,019 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f5b7f01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:39:56, skipping insertion in model container
[2023-11-19 07:39:56,020 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:56" (3/3) ...
[2023-11-19 07:39:56,021 INFO  L112   eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_postinc_08_good.i
[2023-11-19 07:39:56,040 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:39:56,040 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations.
[2023-11-19 07:39:56,086 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:39:56,094 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;@70eefc0f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:39:56,094 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2023-11-19 07:39:56,099 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 83 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 64 states have internal predecessors, (71), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18)
[2023-11-19 07:39:56,108 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2023-11-19 07:39:56,108 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:39:56,109 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:39:56,110 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:39:56,116 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:56,116 INFO  L85        PathProgramCache]: Analyzing trace with hash 827362830, now seen corresponding path program 1 times
[2023-11-19 07:39:56,128 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:56,128 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564661292]
[2023-11-19 07:39:56,129 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:56,129 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:56,290 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:56,838 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:39:56,841 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:56,848 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:39:56,863 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:56,868 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 07:39:56,871 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:56,899 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 07:39:56,900 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:56,900 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564661292]
[2023-11-19 07:39:56,901 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564661292] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:56,901 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:56,902 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:39:56,903 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636791118]
[2023-11-19 07:39:56,904 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:56,909 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:39:56,909 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:56,946 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:39:56,947 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:39:56,949 INFO  L87              Difference]: Start difference. First operand  has 83 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 64 states have internal predecessors, (71), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) Second operand  has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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 07:39:57,078 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:39:57,078 INFO  L93              Difference]: Finished difference Result 83 states and 107 transitions.
[2023-11-19 07:39:57,080 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-19 07:39:57,081 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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 22
[2023-11-19 07:39:57,082 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:39:57,091 INFO  L225             Difference]: With dead ends: 83
[2023-11-19 07:39:57,092 INFO  L226             Difference]: Without dead ends: 73
[2023-11-19 07:39:57,095 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:39:57,099 INFO  L413           NwaCegarLoop]: 98 mSDtfsCounter, 10 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:39:57,102 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 351 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:39:57,124 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 73 states.
[2023-11-19 07:39:57,166 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73.
[2023-11-19 07:39:57,168 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 73 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 56 states have internal predecessors, (62), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16)
[2023-11-19 07:39:57,173 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 94 transitions.
[2023-11-19 07:39:57,176 INFO  L78                 Accepts]: Start accepts. Automaton has 73 states and 94 transitions. Word has length 22
[2023-11-19 07:39:57,178 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:39:57,178 INFO  L495      AbstractCegarLoop]: Abstraction has 73 states and 94 transitions.
[2023-11-19 07:39:57,179 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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 07:39:57,180 INFO  L276                IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions.
[2023-11-19 07:39:57,182 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2023-11-19 07:39:57,182 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:39:57,184 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:39:57,184 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:39:57,186 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:39:57,190 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:57,191 INFO  L85        PathProgramCache]: Analyzing trace with hash -121555977, now seen corresponding path program 1 times
[2023-11-19 07:39:57,191 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:57,192 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015786308]
[2023-11-19 07:39:57,192 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:57,192 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:57,248 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:57,329 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:39:57,332 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:57,336 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:39:57,338 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:57,342 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 07:39:57,344 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:57,348 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 07:39:57,349 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:57,349 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015786308]
[2023-11-19 07:39:57,349 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015786308] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:57,350 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:57,350 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:39:57,350 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370561092]
[2023-11-19 07:39:57,351 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:57,352 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:39:57,352 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:57,353 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:39:57,353 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:39:57,354 INFO  L87              Difference]: Start difference. First operand 73 states and 94 transitions. Second operand  has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-11-19 07:39:57,400 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:39:57,401 INFO  L93              Difference]: Finished difference Result 73 states and 94 transitions.
[2023-11-19 07:39:57,401 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-19 07:39:57,402 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23
[2023-11-19 07:39:57,402 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:39:57,404 INFO  L225             Difference]: With dead ends: 73
[2023-11-19 07:39:57,404 INFO  L226             Difference]: Without dead ends: 72
[2023-11-19 07:39:57,405 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 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 07:39:57,407 INFO  L413           NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:39:57,408 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 255 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:39:57,409 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 72 states.
[2023-11-19 07:39:57,420 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72.
[2023-11-19 07:39:57,420 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 72 states, 46 states have (on average 1.326086956521739) internal successors, (61), 55 states have internal predecessors, (61), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16)
[2023-11-19 07:39:57,423 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 93 transitions.
[2023-11-19 07:39:57,423 INFO  L78                 Accepts]: Start accepts. Automaton has 72 states and 93 transitions. Word has length 23
[2023-11-19 07:39:57,423 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:39:57,424 INFO  L495      AbstractCegarLoop]: Abstraction has 72 states and 93 transitions.
[2023-11-19 07:39:57,424 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-11-19 07:39:57,424 INFO  L276                IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions.
[2023-11-19 07:39:57,426 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2023-11-19 07:39:57,426 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:39:57,427 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 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 07:39:57,427 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:39:57,427 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:39:57,428 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:57,428 INFO  L85        PathProgramCache]: Analyzing trace with hash 1717773338, now seen corresponding path program 1 times
[2023-11-19 07:39:57,428 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:57,429 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379871156]
[2023-11-19 07:39:57,429 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:57,429 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:57,482 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:57,609 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:39:57,612 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:57,616 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:39:57,618 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:57,622 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 07:39:57,625 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:57,645 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:39:57,647 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:57,652 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2023-11-19 07:39:57,654 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:57,657 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2023-11-19 07:39:57,659 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:57,663 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2023-11-19 07:39:57,664 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:57,664 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379871156]
[2023-11-19 07:39:57,664 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379871156] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:57,665 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:57,665 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:39:57,665 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528812552]
[2023-11-19 07:39:57,666 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:57,666 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:39:57,667 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:57,667 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:39:57,668 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:39:57,668 INFO  L87              Difference]: Start difference. First operand 72 states and 93 transitions. Second operand  has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6)
[2023-11-19 07:39:57,704 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:39:57,704 INFO  L93              Difference]: Finished difference Result 127 states and 160 transitions.
[2023-11-19 07:39:57,708 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-19 07:39:57,708 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41
[2023-11-19 07:39:57,709 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:39:57,710 INFO  L225             Difference]: With dead ends: 127
[2023-11-19 07:39:57,710 INFO  L226             Difference]: Without dead ends: 71
[2023-11-19 07:39:57,711 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 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 07:39:57,713 INFO  L413           NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:39:57,714 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 259 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:39:57,715 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 71 states.
[2023-11-19 07:39:57,724 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71.
[2023-11-19 07:39:57,725 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 71 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 54 states have internal predecessors, (60), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2023-11-19 07:39:57,726 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions.
[2023-11-19 07:39:57,727 INFO  L78                 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 41
[2023-11-19 07:39:57,727 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:39:57,727 INFO  L495      AbstractCegarLoop]: Abstraction has 71 states and 90 transitions.
[2023-11-19 07:39:57,728 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6)
[2023-11-19 07:39:57,728 INFO  L276                IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions.
[2023-11-19 07:39:57,730 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2023-11-19 07:39:57,730 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:39:57,730 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 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]
[2023-11-19 07:39:57,731 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:39:57,731 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:39:57,731 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:57,732 INFO  L85        PathProgramCache]: Analyzing trace with hash 2126460590, now seen corresponding path program 1 times
[2023-11-19 07:39:57,732 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:57,732 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853088078]
[2023-11-19 07:39:57,733 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:57,733 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:57,780 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:58,091 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:39:58,094 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:58,100 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:39:58,101 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:58,104 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 07:39:58,106 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:58,109 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2023-11-19 07:39:58,111 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:58,115 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2023-11-19 07:39:58,116 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:58,120 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2023-11-19 07:39:58,122 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:58,127 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2023-11-19 07:39:58,128 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:58,128 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853088078]
[2023-11-19 07:39:58,128 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853088078] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:58,129 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:58,129 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:39:58,129 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930231794]
[2023-11-19 07:39:58,129 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:58,130 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:39:58,130 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:58,130 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:39:58,131 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:39:58,131 INFO  L87              Difference]: Start difference. First operand 71 states and 90 transitions. Second operand  has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2023-11-19 07:39:58,237 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:39:58,237 INFO  L93              Difference]: Finished difference Result 71 states and 90 transitions.
[2023-11-19 07:39:58,237 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-19 07:39:58,238 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42
[2023-11-19 07:39:58,239 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:39:58,242 INFO  L225             Difference]: With dead ends: 71
[2023-11-19 07:39:58,243 INFO  L226             Difference]: Without dead ends: 70
[2023-11-19 07:39:58,243 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 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 07:39:58,256 INFO  L413           NwaCegarLoop]: 81 mSDtfsCounter, 10 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:39:58,257 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 225 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:39:58,259 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 70 states.
[2023-11-19 07:39:58,268 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70.
[2023-11-19 07:39:58,269 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 70 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 53 states have internal predecessors, (59), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2023-11-19 07:39:58,270 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions.
[2023-11-19 07:39:58,270 INFO  L78                 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 42
[2023-11-19 07:39:58,271 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:39:58,271 INFO  L495      AbstractCegarLoop]: Abstraction has 70 states and 89 transitions.
[2023-11-19 07:39:58,271 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2023-11-19 07:39:58,271 INFO  L276                IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions.
[2023-11-19 07:39:58,272 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2023-11-19 07:39:58,273 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:39:58,273 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 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]
[2023-11-19 07:39:58,273 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:39:58,274 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:39:58,274 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:58,274 INFO  L85        PathProgramCache]: Analyzing trace with hash 1495768948, now seen corresponding path program 1 times
[2023-11-19 07:39:58,275 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:58,275 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148993355]
[2023-11-19 07:39:58,275 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:58,275 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:58,302 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:58,390 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:39:58,392 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:58,397 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:39:58,400 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:58,409 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 07:39:58,410 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:58,413 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2023-11-19 07:39:58,414 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:58,418 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2023-11-19 07:39:58,419 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:58,422 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2023-11-19 07:39:58,424 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:58,427 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2023-11-19 07:39:58,428 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:58,428 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148993355]
[2023-11-19 07:39:58,428 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148993355] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:58,428 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:58,428 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:39:58,428 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110623804]
[2023-11-19 07:39:58,429 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:58,429 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:39:58,429 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:58,430 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:39:58,430 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:39:58,430 INFO  L87              Difference]: Start difference. First operand 70 states and 89 transitions. Second operand  has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6)
[2023-11-19 07:39:58,470 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:39:58,471 INFO  L93              Difference]: Finished difference Result 70 states and 89 transitions.
[2023-11-19 07:39:58,471 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-19 07:39:58,472 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 43
[2023-11-19 07:39:58,472 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:39:58,473 INFO  L225             Difference]: With dead ends: 70
[2023-11-19 07:39:58,474 INFO  L226             Difference]: Without dead ends: 69
[2023-11-19 07:39:58,474 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 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 07:39:58,475 INFO  L413           NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:39:58,476 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 239 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:39:58,477 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 69 states.
[2023-11-19 07:39:58,484 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69.
[2023-11-19 07:39:58,485 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 69 states, 46 states have (on average 1.2608695652173914) internal successors, (58), 52 states have internal predecessors, (58), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2023-11-19 07:39:58,486 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 88 transitions.
[2023-11-19 07:39:58,487 INFO  L78                 Accepts]: Start accepts. Automaton has 69 states and 88 transitions. Word has length 43
[2023-11-19 07:39:58,487 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:39:58,487 INFO  L495      AbstractCegarLoop]: Abstraction has 69 states and 88 transitions.
[2023-11-19 07:39:58,487 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6)
[2023-11-19 07:39:58,488 INFO  L276                IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions.
[2023-11-19 07:39:58,489 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2023-11-19 07:39:58,489 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:39:58,490 INFO  L195           NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:39:58,490 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 07:39:58,490 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:39:58,491 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:58,491 INFO  L85        PathProgramCache]: Analyzing trace with hash 1174172344, now seen corresponding path program 1 times
[2023-11-19 07:39:58,491 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:58,491 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844855522]
[2023-11-19 07:39:58,492 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:58,492 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:58,517 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:58,579 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:39:58,581 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:58,585 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:39:58,586 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:58,589 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 07:39:58,590 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:58,593 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2023-11-19 07:39:58,595 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:58,598 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2023-11-19 07:39:58,600 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:58,603 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2023-11-19 07:39:58,605 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:58,622 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42
[2023-11-19 07:39:58,624 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:58,627 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48
[2023-11-19 07:39:58,629 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:58,633 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2023-11-19 07:39:58,633 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:58,634 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844855522]
[2023-11-19 07:39:58,634 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844855522] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:39:58,634 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014314650]
[2023-11-19 07:39:58,634 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:58,635 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:39:58,635 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:39:58,637 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:39:58,672 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-19 07:39:58,794 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:58,797 INFO  L262         TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:39:58,804 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:39:58,895 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2023-11-19 07:39:58,896 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:39:58,896 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1014314650] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:58,896 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:39:58,897 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6
[2023-11-19 07:39:58,897 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613715613]
[2023-11-19 07:39:58,897 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:58,898 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:39:58,898 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:58,899 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:39:58,900 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:39:58,900 INFO  L87              Difference]: Start difference. First operand 69 states and 88 transitions. Second operand  has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8)
[2023-11-19 07:39:58,926 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:39:58,926 INFO  L93              Difference]: Finished difference Result 108 states and 132 transitions.
[2023-11-19 07:39:58,927 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-19 07:39:58,927 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55
[2023-11-19 07:39:58,928 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:39:58,929 INFO  L225             Difference]: With dead ends: 108
[2023-11-19 07:39:58,929 INFO  L226             Difference]: Without dead ends: 69
[2023-11-19 07:39:58,930 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:39:58,931 INFO  L413           NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:39:58,932 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 250 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:39:58,933 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 69 states.
[2023-11-19 07:39:58,946 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69.
[2023-11-19 07:39:58,947 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 69 states, 46 states have (on average 1.2391304347826086) internal successors, (57), 52 states have internal predecessors, (57), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2023-11-19 07:39:58,952 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions.
[2023-11-19 07:39:58,953 INFO  L78                 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 55
[2023-11-19 07:39:58,953 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:39:58,953 INFO  L495      AbstractCegarLoop]: Abstraction has 69 states and 87 transitions.
[2023-11-19 07:39:58,953 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8)
[2023-11-19 07:39:58,954 INFO  L276                IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions.
[2023-11-19 07:39:58,955 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2023-11-19 07:39:58,955 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:39:58,956 INFO  L195           NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 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, 1, 1]
[2023-11-19 07:39:58,986 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-19 07:39:59,173 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:39:59,174 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:39:59,174 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:59,174 INFO  L85        PathProgramCache]: Analyzing trace with hash -222866308, now seen corresponding path program 1 times
[2023-11-19 07:39:59,174 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:59,175 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538752070]
[2023-11-19 07:39:59,175 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:59,175 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:59,220 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,350 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:39:59,352 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,356 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:39:59,358 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,364 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 07:39:59,365 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,369 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2023-11-19 07:39:59,370 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,374 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2023-11-19 07:39:59,376 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,380 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2023-11-19 07:39:59,381 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,385 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41
[2023-11-19 07:39:59,389 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,398 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48
[2023-11-19 07:39:59,400 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,405 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2023-11-19 07:39:59,410 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,418 INFO  L134       CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked.
[2023-11-19 07:39:59,418 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:59,419 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538752070]
[2023-11-19 07:39:59,419 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538752070] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:59,419 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:59,421 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:39:59,422 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878329174]
[2023-11-19 07:39:59,422 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:59,426 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:39:59,426 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:59,427 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:39:59,428 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:39:59,428 INFO  L87              Difference]: Start difference. First operand 69 states and 87 transitions. Second operand  has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9)
[2023-11-19 07:39:59,468 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:39:59,469 INFO  L93              Difference]: Finished difference Result 77 states and 97 transitions.
[2023-11-19 07:39:59,469 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-19 07:39:59,470 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 61
[2023-11-19 07:39:59,472 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:39:59,474 INFO  L225             Difference]: With dead ends: 77
[2023-11-19 07:39:59,474 INFO  L226             Difference]: Without dead ends: 75
[2023-11-19 07:39:59,476 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 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 07:39:59,477 INFO  L413           NwaCegarLoop]: 84 mSDtfsCounter, 4 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:39:59,478 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 246 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:39:59,479 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 75 states.
[2023-11-19 07:39:59,494 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74.
[2023-11-19 07:39:59,495 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 74 states, 50 states have (on average 1.24) internal successors, (62), 55 states have internal predecessors, (62), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2023-11-19 07:39:59,496 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 94 transitions.
[2023-11-19 07:39:59,496 INFO  L78                 Accepts]: Start accepts. Automaton has 74 states and 94 transitions. Word has length 61
[2023-11-19 07:39:59,499 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:39:59,499 INFO  L495      AbstractCegarLoop]: Abstraction has 74 states and 94 transitions.
[2023-11-19 07:39:59,500 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9)
[2023-11-19 07:39:59,500 INFO  L276                IsEmpty]: Start isEmpty. Operand 74 states and 94 transitions.
[2023-11-19 07:39:59,503 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2023-11-19 07:39:59,504 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:39:59,504 INFO  L195           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1]
[2023-11-19 07:39:59,504 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-19 07:39:59,505 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:39:59,505 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:59,505 INFO  L85        PathProgramCache]: Analyzing trace with hash 1731490110, now seen corresponding path program 1 times
[2023-11-19 07:39:59,506 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:59,506 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110391528]
[2023-11-19 07:39:59,506 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:59,506 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:59,543 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,618 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:39:59,621 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,631 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:39:59,632 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,635 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 07:39:59,640 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,643 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2023-11-19 07:39:59,644 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,649 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2023-11-19 07:39:59,650 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,654 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2023-11-19 07:39:59,656 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,660 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41
[2023-11-19 07:39:59,661 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,665 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48
[2023-11-19 07:39:59,669 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,691 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2023-11-19 07:39:59,693 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,697 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59
[2023-11-19 07:39:59,699 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,704 INFO  L134       CoverageAnalysis]: Checked inductivity of 45 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked.
[2023-11-19 07:39:59,705 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:59,705 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110391528]
[2023-11-19 07:39:59,705 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110391528] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:39:59,705 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:39:59,705 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:39:59,706 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551670819]
[2023-11-19 07:39:59,706 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:39:59,706 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:39:59,706 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:39:59,709 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:39:59,710 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:39:59,710 INFO  L87              Difference]: Start difference. First operand 74 states and 94 transitions. Second operand  has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10)
[2023-11-19 07:39:59,740 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:39:59,740 INFO  L93              Difference]: Finished difference Result 97 states and 118 transitions.
[2023-11-19 07:39:59,740 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-19 07:39:59,741 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 66
[2023-11-19 07:39:59,741 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:39:59,742 INFO  L225             Difference]: With dead ends: 97
[2023-11-19 07:39:59,743 INFO  L226             Difference]: Without dead ends: 66
[2023-11-19 07:39:59,743 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 21 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 07:39:59,745 INFO  L413           NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:39:59,745 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 235 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:39:59,747 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 66 states.
[2023-11-19 07:39:59,765 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66.
[2023-11-19 07:39:59,766 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 66 states, 46 states have (on average 1.173913043478261) internal successors, (54), 49 states have internal predecessors, (54), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2023-11-19 07:39:59,767 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 82 transitions.
[2023-11-19 07:39:59,767 INFO  L78                 Accepts]: Start accepts. Automaton has 66 states and 82 transitions. Word has length 66
[2023-11-19 07:39:59,768 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:39:59,768 INFO  L495      AbstractCegarLoop]: Abstraction has 66 states and 82 transitions.
[2023-11-19 07:39:59,768 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10)
[2023-11-19 07:39:59,768 INFO  L276                IsEmpty]: Start isEmpty. Operand 66 states and 82 transitions.
[2023-11-19 07:39:59,769 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 75
[2023-11-19 07:39:59,770 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:39:59,770 INFO  L195           NwaCegarLoop]: trace histogram [6, 6, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:39:59,770 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-11-19 07:39:59,770 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:39:59,771 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:39:59,771 INFO  L85        PathProgramCache]: Analyzing trace with hash -1246396781, now seen corresponding path program 1 times
[2023-11-19 07:39:59,771 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:39:59,771 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930258952]
[2023-11-19 07:39:59,772 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:59,772 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:39:59,811 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,906 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:39:59,907 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,911 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:39:59,912 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,918 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 07:39:59,919 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,922 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2023-11-19 07:39:59,923 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,926 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2023-11-19 07:39:59,927 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,936 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2023-11-19 07:39:59,937 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,940 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41
[2023-11-19 07:39:59,941 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,944 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48
[2023-11-19 07:39:59,948 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,953 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2023-11-19 07:39:59,955 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,974 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2023-11-19 07:39:59,975 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,979 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2023-11-19 07:39:59,981 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:39:59,984 INFO  L134       CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked.
[2023-11-19 07:39:59,984 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:39:59,986 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930258952]
[2023-11-19 07:39:59,986 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930258952] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:39:59,986 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454724891]
[2023-11-19 07:39:59,986 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:39:59,986 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:39:59,987 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:39:59,988 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:40:00,011 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-19 07:40:00,137 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,139 INFO  L262         TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:40:00,165 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:40:00,212 INFO  L134       CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2023-11-19 07:40:00,212 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:40:00,212 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [454724891] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:40:00,213 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:40:00,213 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6
[2023-11-19 07:40:00,213 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717390438]
[2023-11-19 07:40:00,213 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:40:00,214 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:40:00,214 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:40:00,214 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:40:00,215 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:40:00,215 INFO  L87              Difference]: Start difference. First operand 66 states and 82 transitions. Second operand  has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11)
[2023-11-19 07:40:00,233 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:40:00,233 INFO  L93              Difference]: Finished difference Result 80 states and 97 transitions.
[2023-11-19 07:40:00,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-19 07:40:00,234 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 74
[2023-11-19 07:40:00,236 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:40:00,237 INFO  L225             Difference]: With dead ends: 80
[2023-11-19 07:40:00,237 INFO  L226             Difference]: Without dead ends: 66
[2023-11-19 07:40:00,238 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:40:00,239 INFO  L413           NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:40:00,239 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 232 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:40:00,240 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 66 states.
[2023-11-19 07:40:00,247 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66.
[2023-11-19 07:40:00,248 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 66 states, 46 states have (on average 1.1521739130434783) internal successors, (53), 49 states have internal predecessors, (53), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2023-11-19 07:40:00,250 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 81 transitions.
[2023-11-19 07:40:00,250 INFO  L78                 Accepts]: Start accepts. Automaton has 66 states and 81 transitions. Word has length 74
[2023-11-19 07:40:00,252 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:40:00,252 INFO  L495      AbstractCegarLoop]: Abstraction has 66 states and 81 transitions.
[2023-11-19 07:40:00,253 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11)
[2023-11-19 07:40:00,253 INFO  L276                IsEmpty]: Start isEmpty. Operand 66 states and 81 transitions.
[2023-11-19 07:40:00,258 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 82
[2023-11-19 07:40:00,259 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:40:00,259 INFO  L195           NwaCegarLoop]: trace histogram [6, 6, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:40:00,285 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2023-11-19 07:40:00,482 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:40:00,482 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:40:00,482 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:40:00,483 INFO  L85        PathProgramCache]: Analyzing trace with hash 1140174663, now seen corresponding path program 1 times
[2023-11-19 07:40:00,483 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:40:00,483 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521106161]
[2023-11-19 07:40:00,483 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:40:00,483 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:40:00,514 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,596 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:40:00,597 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,600 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:40:00,601 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,604 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 07:40:00,606 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,608 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2023-11-19 07:40:00,610 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,613 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2023-11-19 07:40:00,614 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,617 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2023-11-19 07:40:00,618 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,620 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41
[2023-11-19 07:40:00,621 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,624 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48
[2023-11-19 07:40:00,626 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,631 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2023-11-19 07:40:00,632 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,634 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62
[2023-11-19 07:40:00,636 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,638 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68
[2023-11-19 07:40:00,639 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,642 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2023-11-19 07:40:00,643 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,647 INFO  L134       CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2023-11-19 07:40:00,647 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:40:00,648 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521106161]
[2023-11-19 07:40:00,648 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521106161] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:40:00,648 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:40:00,648 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:40:00,648 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830898593]
[2023-11-19 07:40:00,648 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:40:00,649 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:40:00,649 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:40:00,650 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:40:00,650 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:40:00,650 INFO  L87              Difference]: Start difference. First operand 66 states and 81 transitions. Second operand  has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12)
[2023-11-19 07:40:00,672 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:40:00,672 INFO  L93              Difference]: Finished difference Result 73 states and 88 transitions.
[2023-11-19 07:40:00,672 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-19 07:40:00,673 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 81
[2023-11-19 07:40:00,673 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:40:00,674 INFO  L225             Difference]: With dead ends: 73
[2023-11-19 07:40:00,674 INFO  L226             Difference]: Without dead ends: 66
[2023-11-19 07:40:00,674 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 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 07:40:00,675 INFO  L413           NwaCegarLoop]: 79 mSDtfsCounter, 3 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:40:00,676 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 233 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:40:00,677 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 66 states.
[2023-11-19 07:40:00,683 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66.
[2023-11-19 07:40:00,685 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 66 states, 46 states have (on average 1.1304347826086956) internal successors, (52), 49 states have internal predecessors, (52), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2023-11-19 07:40:00,687 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 80 transitions.
[2023-11-19 07:40:00,687 INFO  L78                 Accepts]: Start accepts. Automaton has 66 states and 80 transitions. Word has length 81
[2023-11-19 07:40:00,687 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:40:00,687 INFO  L495      AbstractCegarLoop]: Abstraction has 66 states and 80 transitions.
[2023-11-19 07:40:00,687 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12)
[2023-11-19 07:40:00,688 INFO  L276                IsEmpty]: Start isEmpty. Operand 66 states and 80 transitions.
[2023-11-19 07:40:00,696 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 82
[2023-11-19 07:40:00,696 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:40:00,696 INFO  L195           NwaCegarLoop]: trace histogram [6, 6, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:40:00,696 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2023-11-19 07:40:00,697 INFO  L420      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:40:00,697 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:40:00,697 INFO  L85        PathProgramCache]: Analyzing trace with hash 330828037, now seen corresponding path program 1 times
[2023-11-19 07:40:00,698 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:40:00,698 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970412001]
[2023-11-19 07:40:00,698 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:40:00,698 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:40:00,733 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,809 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:40:00,810 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,813 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:40:00,814 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,819 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 07:40:00,821 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,824 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2023-11-19 07:40:00,825 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,828 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2023-11-19 07:40:00,829 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,832 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2023-11-19 07:40:00,833 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,835 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41
[2023-11-19 07:40:00,837 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,840 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48
[2023-11-19 07:40:00,841 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,843 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2023-11-19 07:40:00,845 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,847 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62
[2023-11-19 07:40:00,848 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,851 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68
[2023-11-19 07:40:00,853 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,868 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2023-11-19 07:40:00,869 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:00,872 INFO  L134       CoverageAnalysis]: Checked inductivity of 60 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked.
[2023-11-19 07:40:00,872 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:40:00,872 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970412001]
[2023-11-19 07:40:00,873 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970412001] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:40:00,873 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152507235]
[2023-11-19 07:40:00,873 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:40:00,873 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:40:00,873 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:40:00,874 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:40:00,892 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-19 07:40:01,038 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:40:01,040 INFO  L262         TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:40:01,044 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:40:01,074 INFO  L134       CoverageAnalysis]: Checked inductivity of 60 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked.
[2023-11-19 07:40:01,075 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:40:01,075 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [152507235] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:40:01,075 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:40:01,075 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6
[2023-11-19 07:40:01,075 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307792414]
[2023-11-19 07:40:01,076 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:40:01,076 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:40:01,076 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:40:01,078 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:40:01,078 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:40:01,078 INFO  L87              Difference]: Start difference. First operand 66 states and 80 transitions. Second operand  has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12)
[2023-11-19 07:40:01,091 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:40:01,091 INFO  L93              Difference]: Finished difference Result 69 states and 82 transitions.
[2023-11-19 07:40:01,092 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-19 07:40:01,092 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 81
[2023-11-19 07:40:01,093 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:40:01,093 INFO  L225             Difference]: With dead ends: 69
[2023-11-19 07:40:01,093 INFO  L226             Difference]: Without dead ends: 0
[2023-11-19 07:40:01,097 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:40:01,098 INFO  L413           NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:40:01,098 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 209 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:40:01,099 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-19 07:40:01,099 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-19 07:40:01,099 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 07:40:01,099 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-19 07:40:01,099 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 81
[2023-11-19 07:40:01,099 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:40:01,100 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 07:40:01,100 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12)
[2023-11-19 07:40:01,100 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-19 07:40:01,100 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-19 07:40:01,103 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining)
[2023-11-19 07:40:01,103 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining)
[2023-11-19 07:40:01,104 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining)
[2023-11-19 07:40:01,104 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining)
[2023-11-19 07:40:01,104 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining)
[2023-11-19 07:40:01,104 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining)
[2023-11-19 07:40:01,104 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining)
[2023-11-19 07:40:01,104 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining)
[2023-11-19 07:40:01,132 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-11-19 07:40:01,312 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2023-11-19 07:40:01,315 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-19 07:40:01,363 INFO  L902   garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true
[2023-11-19 07:40:01,363 INFO  L899   garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed.
[2023-11-19 07:40:01,364 INFO  L899   garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed.
[2023-11-19 07:40:01,364 INFO  L899   garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed.
[2023-11-19 07:40:01,364 INFO  L899   garLoopResultBuilder]: For program point staticReturnsFalseEXIT(lines 1552 1555) no Hoare annotation was computed.
[2023-11-19 07:40:01,364 INFO  L899   garLoopResultBuilder]: For program point staticReturnsFalseFINAL(lines 1552 1555) no Hoare annotation was computed.
[2023-11-19 07:40:01,365 INFO  L902   garLoopResultBuilder]: At program point $Ultimate##0(lines 1552 1555) the Hoare annotation is: true
[2023-11-19 07:40:01,365 INFO  L902   garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true
[2023-11-19 07:40:01,365 INFO  L899   garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed.
[2023-11-19 07:40:01,365 INFO  L899   garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed.
[2023-11-19 07:40:01,365 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1594) no Hoare annotation was computed.
[2023-11-19 07:40:01,365 INFO  L902   garLoopResultBuilder]: At program point L1629(line 1629) the Hoare annotation is: true
[2023-11-19 07:40:01,366 INFO  L895   garLoopResultBuilder]: At program point L1596(line 1596) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483648))
[2023-11-19 07:40:01,366 INFO  L899   garLoopResultBuilder]: For program point L1629-1(line 1629) no Hoare annotation was computed.
[2023-11-19 07:40:01,366 INFO  L899   garLoopResultBuilder]: For program point L1596-1(line 1596) no Hoare annotation was computed.
[2023-11-19 07:40:01,366 INFO  L899   garLoopResultBuilder]: For program point L1629-2(lines 1629 1632) no Hoare annotation was computed.
[2023-11-19 07:40:01,366 INFO  L895   garLoopResultBuilder]: At program point L1629-4(lines 1629 1632) the Hoare annotation is: (= |ULTIMATE.start_goodG2B2_~data~3#1| 2)
[2023-11-19 07:40:01,366 INFO  L902   garLoopResultBuilder]: At program point L1654(line 1654) the Hoare annotation is: true
[2023-11-19 07:40:01,366 INFO  L902   garLoopResultBuilder]: At program point L1621(line 1621) the Hoare annotation is: true
[2023-11-19 07:40:01,367 INFO  L899   garLoopResultBuilder]: For program point L1654-1(line 1654) no Hoare annotation was computed.
[2023-11-19 07:40:01,367 INFO  L899   garLoopResultBuilder]: For program point L1621-1(line 1621) no Hoare annotation was computed.
[2023-11-19 07:40:01,367 INFO  L899   garLoopResultBuilder]: For program point main_returnLabel#1(lines 1649 1656) no Hoare annotation was computed.
[2023-11-19 07:40:01,367 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1636) no Hoare annotation was computed.
[2023-11-19 07:40:01,367 INFO  L902   garLoopResultBuilder]: At program point L1638(line 1638) the Hoare annotation is: true
[2023-11-19 07:40:01,367 INFO  L899   garLoopResultBuilder]: For program point L1638-1(line 1638) no Hoare annotation was computed.
[2023-11-19 07:40:01,367 INFO  L899   garLoopResultBuilder]: For program point L1572(line 1572) no Hoare annotation was computed.
[2023-11-19 07:40:01,367 INFO  L899   garLoopResultBuilder]: For program point L1572-1(line 1572) no Hoare annotation was computed.
[2023-11-19 07:40:01,368 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1572) no Hoare annotation was computed.
[2023-11-19 07:40:01,368 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-11-19 07:40:01,368 INFO  L899   garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed.
[2023-11-19 07:40:01,368 INFO  L899   garLoopResultBuilder]: For program point L1564-1(lines 1564 1580) no Hoare annotation was computed.
[2023-11-19 07:40:01,368 INFO  L899   garLoopResultBuilder]: For program point L1556(lines 1556 1581) no Hoare annotation was computed.
[2023-11-19 07:40:01,369 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1572) no Hoare annotation was computed.
[2023-11-19 07:40:01,369 INFO  L899   garLoopResultBuilder]: For program point L1590(line 1590) no Hoare annotation was computed.
[2023-11-19 07:40:01,369 INFO  L899   garLoopResultBuilder]: For program point L1590-1(lines 1590 1602) no Hoare annotation was computed.
[2023-11-19 07:40:01,370 INFO  L899   garLoopResultBuilder]: For program point L1590-2(lines 1590 1602) no Hoare annotation was computed.
[2023-11-19 07:40:01,370 INFO  L899   garLoopResultBuilder]: For program point L1582(lines 1582 1603) no Hoare annotation was computed.
[2023-11-19 07:40:01,370 INFO  L899   garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-19 07:40:01,370 INFO  L895   garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483648))
[2023-11-19 07:40:01,370 INFO  L899   garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed.
[2023-11-19 07:40:01,370 INFO  L895   garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: false
[2023-11-19 07:40:01,371 INFO  L899   garLoopResultBuilder]: For program point L1616(line 1616) no Hoare annotation was computed.
[2023-11-19 07:40:01,371 INFO  L899   garLoopResultBuilder]: For program point L1616-1(lines 1616 1623) no Hoare annotation was computed.
[2023-11-19 07:40:01,371 INFO  L902   garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: true
[2023-11-19 07:40:01,371 INFO  L899   garLoopResultBuilder]: For program point L1608-1(line 1608) no Hoare annotation was computed.
[2023-11-19 07:40:01,371 INFO  L899   garLoopResultBuilder]: For program point L1608-2(lines 1608 1615) no Hoare annotation was computed.
[2023-11-19 07:40:01,371 INFO  L895   garLoopResultBuilder]: At program point L1608-3(lines 1608 1615) the Hoare annotation is: (= 2 |ULTIMATE.start_goodG2B1_~data~2#1|)
[2023-11-19 07:40:01,372 INFO  L899   garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed.
[2023-11-19 07:40:01,372 INFO  L895   garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483648))
[2023-11-19 07:40:01,372 INFO  L899   garLoopResultBuilder]: For program point L1633-1(lines 1633 1640) no Hoare annotation was computed.
[2023-11-19 07:40:01,372 INFO  L899   garLoopResultBuilder]: For program point L1625(lines 1625 1641) no Hoare annotation was computed.
[2023-11-19 07:40:01,372 INFO  L899   garLoopResultBuilder]: For program point L1592(lines 1592 1601) no Hoare annotation was computed.
[2023-11-19 07:40:01,372 INFO  L899   garLoopResultBuilder]: For program point L1642(lines 1642 1648) no Hoare annotation was computed.
[2023-11-19 07:40:01,372 INFO  L899   garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-11-19 07:40:01,373 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1619) no Hoare annotation was computed.
[2023-11-19 07:40:01,373 INFO  L895   garLoopResultBuilder]: At program point L1560(line 1560) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483648))
[2023-11-19 07:40:01,373 INFO  L899   garLoopResultBuilder]: For program point L1560-1(line 1560) no Hoare annotation was computed.
[2023-11-19 07:40:01,373 INFO  L899   garLoopResultBuilder]: For program point L1560-2(lines 1560 1563) no Hoare annotation was computed.
[2023-11-19 07:40:01,373 INFO  L895   garLoopResultBuilder]: At program point L1560-4(lines 1560 1563) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483648))
[2023-11-19 07:40:01,374 INFO  L895   garLoopResultBuilder]: At program point L1610(line 1610) the Hoare annotation is: false
[2023-11-19 07:40:01,374 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-19 07:40:01,374 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1619) no Hoare annotation was computed.
[2023-11-19 07:40:01,374 INFO  L899   garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed.
[2023-11-19 07:40:01,374 INFO  L899   garLoopResultBuilder]: For program point L1594-1(line 1594) no Hoare annotation was computed.
[2023-11-19 07:40:01,374 INFO  L902   garLoopResultBuilder]: At program point L1652(line 1652) the Hoare annotation is: true
[2023-11-19 07:40:01,375 INFO  L899   garLoopResultBuilder]: For program point L1652-1(line 1652) no Hoare annotation was computed.
[2023-11-19 07:40:01,375 INFO  L899   garLoopResultBuilder]: For program point L1619(line 1619) no Hoare annotation was computed.
[2023-11-19 07:40:01,375 INFO  L895   garLoopResultBuilder]: At program point L1586(line 1586) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483648))
[2023-11-19 07:40:01,375 INFO  L899   garLoopResultBuilder]: For program point L1619-1(line 1619) no Hoare annotation was computed.
[2023-11-19 07:40:01,375 INFO  L899   garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed.
[2023-11-19 07:40:01,375 INFO  L899   garLoopResultBuilder]: For program point L1586-2(lines 1586 1589) no Hoare annotation was computed.
[2023-11-19 07:40:01,375 INFO  L895   garLoopResultBuilder]: At program point L1586-4(lines 1586 1589) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483648))
[2023-11-19 07:40:01,376 INFO  L895   garLoopResultBuilder]: At program point L1578(line 1578) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483648))
[2023-11-19 07:40:01,376 INFO  L899   garLoopResultBuilder]: For program point L1578-1(lines 1564 1580) no Hoare annotation was computed.
[2023-11-19 07:40:01,376 INFO  L899   garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed.
[2023-11-19 07:40:01,376 INFO  L899   garLoopResultBuilder]: For program point L1636-1(line 1636) no Hoare annotation was computed.
[2023-11-19 07:40:01,376 INFO  L899   garLoopResultBuilder]: For program point L1570(lines 1570 1579) no Hoare annotation was computed.
[2023-11-19 07:40:01,376 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1594) no Hoare annotation was computed.
[2023-11-19 07:40:01,377 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1636) no Hoare annotation was computed.
[2023-11-19 07:40:01,377 INFO  L899   garLoopResultBuilder]: For program point L1604(lines 1604 1624) no Hoare annotation was computed.
[2023-11-19 07:40:01,377 INFO  L899   garLoopResultBuilder]: For program point staticReturnsTrueFINAL(lines 1548 1551) no Hoare annotation was computed.
[2023-11-19 07:40:01,377 INFO  L899   garLoopResultBuilder]: For program point staticReturnsTrueEXIT(lines 1548 1551) no Hoare annotation was computed.
[2023-11-19 07:40:01,377 INFO  L902   garLoopResultBuilder]: At program point $Ultimate##0(lines 1548 1551) the Hoare annotation is: true
[2023-11-19 07:40:01,381 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:40:01,383 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:40:01,388 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:40:01 BoogieIcfgContainer
[2023-11-19 07:40:01,389 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:40:01,389 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:40:01,390 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:40:01,390 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-11-19 07:40:01,390 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:56" (3/4) ...
[2023-11-19 07:40:01,393 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:40:01,398 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure printLine
[2023-11-19 07:40:01,399 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse
[2023-11-19 07:40:01,399 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine
[2023-11-19 07:40:01,399 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue
[2023-11-19 07:40:01,406 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges
[2023-11-19 07:40:01,407 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2023-11-19 07:40:01,407 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2023-11-19 07:40:01,408 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:40:01,532 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:40:01,533 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:40:01,533 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:40:01,534 INFO  L158              Benchmark]: Toolchain (without parser) took 7922.46ms. Allocated memory was 130.0MB in the beginning and 222.3MB in the end (delta: 92.3MB). Free memory was 81.2MB in the beginning and 71.4MB in the end (delta: 9.8MB). Peak memory consumption was 104.5MB. Max. memory is 16.1GB.
[2023-11-19 07:40:01,534 INFO  L158              Benchmark]: CDTParser took 0.26ms. Allocated memory is still 130.0MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:40:01,534 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 1605.80ms. Allocated memory was 130.0MB in the beginning and 182.5MB in the end (delta: 52.4MB). Free memory was 81.2MB in the beginning and 110.5MB in the end (delta: -29.3MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB.
[2023-11-19 07:40:01,535 INFO  L158              Benchmark]: Boogie Procedure Inliner took 87.48ms. Allocated memory is still 182.5MB. Free memory was 110.5MB in the beginning and 107.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:40:01,535 INFO  L158              Benchmark]: Boogie Preprocessor took 70.84ms. Allocated memory is still 182.5MB. Free memory was 107.2MB in the beginning and 105.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:40:01,535 INFO  L158              Benchmark]: RCFGBuilder took 619.08ms. Allocated memory is still 182.5MB. Free memory was 105.1MB in the beginning and 87.4MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2023-11-19 07:40:01,536 INFO  L158              Benchmark]: TraceAbstraction took 5374.86ms. Allocated memory was 182.5MB in the beginning and 222.3MB in the end (delta: 39.8MB). Free memory was 86.4MB in the beginning and 77.7MB in the end (delta: 8.7MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB.
[2023-11-19 07:40:01,536 INFO  L158              Benchmark]: Witness Printer took 143.58ms. Allocated memory is still 222.3MB. Free memory was 77.7MB in the beginning and 71.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2023-11-19 07:40:01,538 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.26ms. Allocated memory is still 130.0MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 1605.80ms. Allocated memory was 130.0MB in the beginning and 182.5MB in the end (delta: 52.4MB). Free memory was 81.2MB in the beginning and 110.5MB in the end (delta: -29.3MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 87.48ms. Allocated memory is still 182.5MB. Free memory was 110.5MB in the beginning and 107.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 70.84ms. Allocated memory is still 182.5MB. Free memory was 107.2MB in the beginning and 105.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 619.08ms. Allocated memory is still 182.5MB. Free memory was 105.1MB in the beginning and 87.4MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * TraceAbstraction took 5374.86ms. Allocated memory was 182.5MB in the beginning and 222.3MB in the end (delta: 39.8MB). Free memory was 86.4MB in the beginning and 77.7MB in the end (delta: 8.7MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB.
 * Witness Printer took 143.58ms. Allocated memory is still 222.3MB. Free memory was 77.7MB in the beginning and 71.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 1572]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1572]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1594]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1594]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1619]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1619]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1636]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1636]: 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 5 procedures, 83 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.3s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 2734 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1816 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 186 IncrementalHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 918 mSDtfsCounter, 186 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 418 GetRequests, 384 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83occurred in iteration=0, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 59 PreInvPairs, 68 NumberOfFragments, 90 HoareAnnotationTreeSize, 59 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 799 NumberOfCodeBlocks, 799 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 785 ConstructedInterpolants, 0 QuantifiedInterpolants, 965 SizeOfPredicates, 0 NumberOfNonLiveVariables, 873 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 459/467 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
    8 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:40:01,576 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff541d9-0f70-464f-8a45-3322207e43fb/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