./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_05_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_efa33421-ef57-491e-a676-cc2b5cd4d175/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa33421-ef57-491e-a676-cc2b5cd4d175/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_efa33421-ef57-491e-a676-cc2b5cd4d175/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa33421-ef57-491e-a676-cc2b5cd4d175/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_05_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa33421-ef57-491e-a676-cc2b5cd4d175/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_efa33421-ef57-491e-a676-cc2b5cd4d175/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 00b10dfd14acd142646ae09b1206340a51cf97e581041b12557b145a3b0996b7
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:53:57,109 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:53:57,236 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa33421-ef57-491e-a676-cc2b5cd4d175/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2023-11-19 07:53:57,248 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:53:57,249 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:53:57,275 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:53:57,277 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:53:57,278 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:53:57,279 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:53:57,284 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:53:57,285 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:53:57,286 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-19 07:53:57,286 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-19 07:53:57,288 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:53:57,289 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:53:57,289 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-19 07:53:57,290 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-19 07:53:57,290 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:53:57,290 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:53:57,291 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:53:57,292 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=true
[2023-11-19 07:53:57,292 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-11-19 07:53:57,293 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-19 07:53:57,293 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-19 07:53:57,294 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:53:57,295 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-19 07:53:57,295 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-19 07:53:57,295 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:53:57,296 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:53:57,297 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:53:57,298 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:53:57,298 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-19 07:53:57,299 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:53:57,299 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:53:57,299 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:53:57,299 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:53:57,300 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:53:57,300 INFO  L153        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:53:57,300 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_efa33421-ef57-491e-a676-cc2b5cd4d175/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_efa33421-ef57-491e-a676-cc2b5cd4d175/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 -> 00b10dfd14acd142646ae09b1206340a51cf97e581041b12557b145a3b0996b7
[2023-11-19 07:53:57,575 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:53:57,613 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:53:57,617 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:53:57,619 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-19 07:53:57,620 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-19 07:53:57,622 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa33421-ef57-491e-a676-cc2b5cd4d175/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_05_good.i
[2023-11-19 07:54:00,883 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:54:01,360 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-19 07:54:01,361 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa33421-ef57-491e-a676-cc2b5cd4d175/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_05_good.i
[2023-11-19 07:54:01,406 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa33421-ef57-491e-a676-cc2b5cd4d175/bin/uautomizer-verify-uCwYo4JHxu/data/77d8bae71/0fd39b9143e4407f90af11162234b97f/FLAG4f5cbb986
[2023-11-19 07:54:01,427 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa33421-ef57-491e-a676-cc2b5cd4d175/bin/uautomizer-verify-uCwYo4JHxu/data/77d8bae71/0fd39b9143e4407f90af11162234b97f
[2023-11-19 07:54:01,430 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:54:01,433 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:54:01,435 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:54:01,435 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:54:01,442 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:54:01,443 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:01" (1/1) ...
[2023-11-19 07:54:01,445 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40a6dc9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:01, skipping insertion in model container
[2023-11-19 07:54:01,445 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:01" (1/1) ...
[2023-11-19 07:54:01,540 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:54:01,989 WARN  L635        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-11-19 07:54:02,607 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:54:02,621 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-19 07:54:02,684 WARN  L635        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-11-19 07:54:02,843 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:54:03,024 WARN  L675               CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:54:03,025 WARN  L675               CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:54:03,025 WARN  L675               CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:54:03,025 WARN  L675               CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:54:03,026 WARN  L675               CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:54:03,027 WARN  L675               CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:54:03,039 INFO  L206         MainTranslator]: Completed translation
[2023-11-19 07:54:03,040 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:03 WrapperNode
[2023-11-19 07:54:03,041 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:54:03,042 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:54:03,043 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:54:03,043 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:54:03,050 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:03" (1/1) ...
[2023-11-19 07:54:03,111 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:03" (1/1) ...
[2023-11-19 07:54:03,155 INFO  L138                Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 126
[2023-11-19 07:54:03,156 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:54:03,156 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:54:03,157 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:54:03,157 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:54:03,167 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:03" (1/1) ...
[2023-11-19 07:54:03,167 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:03" (1/1) ...
[2023-11-19 07:54:03,172 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:03" (1/1) ...
[2023-11-19 07:54:03,172 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:03" (1/1) ...
[2023-11-19 07:54:03,180 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:03" (1/1) ...
[2023-11-19 07:54:03,183 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:03" (1/1) ...
[2023-11-19 07:54:03,186 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:03" (1/1) ...
[2023-11-19 07:54:03,188 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:03" (1/1) ...
[2023-11-19 07:54:03,192 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:54:03,193 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:54:03,193 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:54:03,193 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:54:03,194 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:03" (1/1) ...
[2023-11-19 07:54:03,200 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:54:03,217 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa33421-ef57-491e-a676-cc2b5cd4d175/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:54:03,240 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa33421-ef57-491e-a676-cc2b5cd4d175/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:54:03,258 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa33421-ef57-491e-a676-cc2b5cd4d175/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:54:03,287 INFO  L130     BoogieDeclarations]: Found specification of procedure printIntLine
[2023-11-19 07:54:03,288 INFO  L138     BoogieDeclarations]: Found implementation of procedure printIntLine
[2023-11-19 07:54:03,288 INFO  L130     BoogieDeclarations]: Found specification of procedure fgets
[2023-11-19 07:54:03,288 INFO  L130     BoogieDeclarations]: Found specification of procedure printLine
[2023-11-19 07:54:03,288 INFO  L138     BoogieDeclarations]: Found implementation of procedure printLine
[2023-11-19 07:54:03,289 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:54:03,289 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2023-11-19 07:54:03,289 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:54:03,291 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:54:03,291 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:54:03,292 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:54:03,292 INFO  L130     BoogieDeclarations]: Found specification of procedure time
[2023-11-19 07:54:03,293 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:54:03,509 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-19 07:54:03,511 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:54:03,850 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-19 07:54:03,896 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:54:03,899 INFO  L302             CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-19 07:54:03,903 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:03 BoogieIcfgContainer
[2023-11-19 07:54:03,905 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:54:03,910 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:54:03,910 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:54:03,914 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:54:03,914 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:54:01" (1/3) ...
[2023-11-19 07:54:03,915 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d972928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:03, skipping insertion in model container
[2023-11-19 07:54:03,916 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:03" (2/3) ...
[2023-11-19 07:54:03,917 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d972928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:03, skipping insertion in model container
[2023-11-19 07:54:03,918 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:03" (3/3) ...
[2023-11-19 07:54:03,919 INFO  L112   eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_preinc_05_good.i
[2023-11-19 07:54:03,944 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:54:03,944 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations.
[2023-11-19 07:54:04,022 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:54:04,033 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;@38309b21, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:54:04,033 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2023-11-19 07:54:04,039 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 65 states, 42 states have (on average 1.5) internal successors, (63), 56 states have internal predecessors, (63), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12)
[2023-11-19 07:54:04,049 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2023-11-19 07:54:04,049 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:54:04,050 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:54:04,051 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 07:54:04,058 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:54:04,058 INFO  L85        PathProgramCache]: Analyzing trace with hash -674949286, now seen corresponding path program 1 times
[2023-11-19 07:54:04,070 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:54:04,070 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975552740]
[2023-11-19 07:54:04,071 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:54:04,071 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:54:04,277 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:04,529 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:54:04,534 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:04,553 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 07:54:04,554 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:54:04,554 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975552740]
[2023-11-19 07:54:04,555 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975552740] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:54:04,555 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:54:04,556 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:54:04,558 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434212783]
[2023-11-19 07:54:04,559 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:54:04,565 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:54:04,565 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:54:04,603 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:54:04,604 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:54:04,607 INFO  L87              Difference]: Start difference. First operand  has 65 states, 42 states have (on average 1.5) internal successors, (63), 56 states have internal predecessors, (63), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Second operand  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:54:04,677 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:54:04,677 INFO  L93              Difference]: Finished difference Result 122 states and 162 transitions.
[2023-11-19 07:54:04,679 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 07:54:04,681 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12
[2023-11-19 07:54:04,681 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:54:04,692 INFO  L225             Difference]: With dead ends: 122
[2023-11-19 07:54:04,693 INFO  L226             Difference]: Without dead ends: 56
[2023-11-19 07:54:04,697 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:54:04,702 INFO  L413           NwaCegarLoop]: 75 mSDtfsCounter, 77 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:54:04,703 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 75 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:54:04,728 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2023-11-19 07:54:04,758 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56.
[2023-11-19 07:54:04,760 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 56 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 49 states have internal predecessors, (50), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10)
[2023-11-19 07:54:04,762 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions.
[2023-11-19 07:54:04,765 INFO  L78                 Accepts]: Start accepts. Automaton has 56 states and 70 transitions. Word has length 12
[2023-11-19 07:54:04,766 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:54:04,767 INFO  L495      AbstractCegarLoop]: Abstraction has 56 states and 70 transitions.
[2023-11-19 07:54:04,767 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:54:04,768 INFO  L276                IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions.
[2023-11-19 07:54:04,769 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2023-11-19 07:54:04,770 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:54:04,770 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:54:04,770 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:54:04,771 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:54:04,772 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:54:04,772 INFO  L85        PathProgramCache]: Analyzing trace with hash -385783105, now seen corresponding path program 1 times
[2023-11-19 07:54:04,773 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:54:04,773 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888952747]
[2023-11-19 07:54:04,773 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:54:04,774 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:54:04,811 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:04,911 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:54:04,914 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:04,923 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 07:54:04,924 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:54:04,924 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888952747]
[2023-11-19 07:54:04,925 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888952747] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:54:04,925 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:54:04,925 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:54:04,926 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987104260]
[2023-11-19 07:54:04,926 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:54:04,928 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:54:04,928 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:54:04,929 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:54:04,930 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:54:04,930 INFO  L87              Difference]: Start difference. First operand 56 states and 70 transitions. Second operand  has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:54:04,958 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:54:04,959 INFO  L93              Difference]: Finished difference Result 56 states and 70 transitions.
[2023-11-19 07:54:04,959 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 07:54:04,960 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14
[2023-11-19 07:54:04,960 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:54:04,962 INFO  L225             Difference]: With dead ends: 56
[2023-11-19 07:54:04,962 INFO  L226             Difference]: Without dead ends: 55
[2023-11-19 07:54:04,963 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:54:04,965 INFO  L413           NwaCegarLoop]: 64 mSDtfsCounter, 7 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:54:04,966 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 115 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:54:04,968 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 55 states.
[2023-11-19 07:54:04,978 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55.
[2023-11-19 07:54:04,979 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 55 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 48 states have internal predecessors, (49), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10)
[2023-11-19 07:54:04,981 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 69 transitions.
[2023-11-19 07:54:04,982 INFO  L78                 Accepts]: Start accepts. Automaton has 55 states and 69 transitions. Word has length 14
[2023-11-19 07:54:04,982 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:54:04,982 INFO  L495      AbstractCegarLoop]: Abstraction has 55 states and 69 transitions.
[2023-11-19 07:54:04,983 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:54:04,983 INFO  L276                IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions.
[2023-11-19 07:54:04,984 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2023-11-19 07:54:04,984 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:54:04,985 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:54:04,985 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:54:04,986 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:54:04,986 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:54:04,987 INFO  L85        PathProgramCache]: Analyzing trace with hash 925625704, now seen corresponding path program 1 times
[2023-11-19 07:54:04,987 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:54:04,987 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703214196]
[2023-11-19 07:54:04,988 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:54:04,988 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:54:05,013 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:05,073 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:54:05,077 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:05,089 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 07:54:05,098 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:54:05,099 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703214196]
[2023-11-19 07:54:05,101 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703214196] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:54:05,101 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:54:05,101 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:54:05,103 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685290877]
[2023-11-19 07:54:05,103 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:54:05,105 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:54:05,106 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:54:05,107 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:54:05,109 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:54:05,109 INFO  L87              Difference]: Start difference. First operand 55 states and 69 transitions. Second operand  has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:54:05,167 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:54:05,169 INFO  L93              Difference]: Finished difference Result 99 states and 123 transitions.
[2023-11-19 07:54:05,170 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 07:54:05,170 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15
[2023-11-19 07:54:05,172 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:54:05,174 INFO  L225             Difference]: With dead ends: 99
[2023-11-19 07:54:05,176 INFO  L226             Difference]: Without dead ends: 59
[2023-11-19 07:54:05,177 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:54:05,182 INFO  L413           NwaCegarLoop]: 72 mSDtfsCounter, 5 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:54:05,187 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 131 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:54:05,189 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 59 states.
[2023-11-19 07:54:05,207 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57.
[2023-11-19 07:54:05,209 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 57 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 49 states have internal predecessors, (52), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10)
[2023-11-19 07:54:05,210 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions.
[2023-11-19 07:54:05,211 INFO  L78                 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 15
[2023-11-19 07:54:05,211 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:54:05,212 INFO  L495      AbstractCegarLoop]: Abstraction has 57 states and 72 transitions.
[2023-11-19 07:54:05,212 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:54:05,212 INFO  L276                IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions.
[2023-11-19 07:54:05,214 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2023-11-19 07:54:05,214 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:54:05,214 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:54:05,214 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:54:05,215 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 07:54:05,215 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:54:05,216 INFO  L85        PathProgramCache]: Analyzing trace with hash -1318547442, now seen corresponding path program 1 times
[2023-11-19 07:54:05,216 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:54:05,216 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680745378]
[2023-11-19 07:54:05,217 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:54:05,217 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:54:05,278 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:05,385 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:54:05,389 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:05,421 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2023-11-19 07:54:05,425 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:05,431 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-11-19 07:54:05,431 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:54:05,432 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680745378]
[2023-11-19 07:54:05,432 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680745378] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:54:05,432 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:54:05,433 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:54:05,433 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281814851]
[2023-11-19 07:54:05,433 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:54:05,434 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:54:05,434 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:54:05,435 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:54:05,436 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:54:05,436 INFO  L87              Difference]: Start difference. First operand 57 states and 72 transitions. Second operand  has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 07:54:05,467 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:54:05,471 INFO  L93              Difference]: Finished difference Result 94 states and 114 transitions.
[2023-11-19 07:54:05,471 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 07:54:05,472 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24
[2023-11-19 07:54:05,472 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:54:05,474 INFO  L225             Difference]: With dead ends: 94
[2023-11-19 07:54:05,474 INFO  L226             Difference]: Without dead ends: 55
[2023-11-19 07:54:05,475 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:54:05,481 INFO  L413           NwaCegarLoop]: 60 mSDtfsCounter, 55 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:54:05,482 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 60 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:54:05,483 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 55 states.
[2023-11-19 07:54:05,495 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55.
[2023-11-19 07:54:05,498 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 55 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 47 states have internal predecessors, (49), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2023-11-19 07:54:05,501 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 65 transitions.
[2023-11-19 07:54:05,504 INFO  L78                 Accepts]: Start accepts. Automaton has 55 states and 65 transitions. Word has length 24
[2023-11-19 07:54:05,505 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:54:05,506 INFO  L495      AbstractCegarLoop]: Abstraction has 55 states and 65 transitions.
[2023-11-19 07:54:05,506 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 07:54:05,506 INFO  L276                IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions.
[2023-11-19 07:54:05,508 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2023-11-19 07:54:05,509 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:54:05,510 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:54:05,510 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:54:05,511 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:54:05,512 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:54:05,512 INFO  L85        PathProgramCache]: Analyzing trace with hash 93483962, now seen corresponding path program 1 times
[2023-11-19 07:54:05,513 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:54:05,514 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634926232]
[2023-11-19 07:54:05,514 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:54:05,515 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:54:05,569 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:05,699 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:54:05,709 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:05,715 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2023-11-19 07:54:05,723 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:05,737 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-11-19 07:54:05,738 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:54:05,738 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634926232]
[2023-11-19 07:54:05,740 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634926232] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:54:05,740 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:54:05,740 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:54:05,741 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985759115]
[2023-11-19 07:54:05,741 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:54:05,742 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:54:05,743 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:54:05,744 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:54:05,744 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:54:05,745 INFO  L87              Difference]: Start difference. First operand 55 states and 65 transitions. Second operand  has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:54:05,789 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:54:05,793 INFO  L93              Difference]: Finished difference Result 55 states and 65 transitions.
[2023-11-19 07:54:05,793 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 07:54:05,794 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25
[2023-11-19 07:54:05,794 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:54:05,796 INFO  L225             Difference]: With dead ends: 55
[2023-11-19 07:54:05,798 INFO  L226             Difference]: Without dead ends: 54
[2023-11-19 07:54:05,799 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:54:05,800 INFO  L413           NwaCegarLoop]: 56 mSDtfsCounter, 6 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:54:05,804 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 101 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:54:05,806 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2023-11-19 07:54:05,816 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54.
[2023-11-19 07:54:05,819 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54 states, 39 states have (on average 1.2307692307692308) internal successors, (48), 46 states have internal predecessors, (48), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2023-11-19 07:54:05,820 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 64 transitions.
[2023-11-19 07:54:05,821 INFO  L78                 Accepts]: Start accepts. Automaton has 54 states and 64 transitions. Word has length 25
[2023-11-19 07:54:05,821 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:54:05,821 INFO  L495      AbstractCegarLoop]: Abstraction has 54 states and 64 transitions.
[2023-11-19 07:54:05,822 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:54:05,822 INFO  L276                IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions.
[2023-11-19 07:54:05,823 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2023-11-19 07:54:05,823 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:54:05,824 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:54:05,824 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 07:54:05,824 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:54:05,825 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:54:05,825 INFO  L85        PathProgramCache]: Analyzing trace with hash -1396964372, now seen corresponding path program 1 times
[2023-11-19 07:54:05,825 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:54:05,826 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404222019]
[2023-11-19 07:54:05,826 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:54:05,826 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:54:05,877 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:05,921 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:54:05,924 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:05,929 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2023-11-19 07:54:05,931 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:05,936 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-11-19 07:54:05,937 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:54:05,937 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404222019]
[2023-11-19 07:54:05,937 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404222019] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:54:05,937 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:54:05,938 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:54:05,938 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327630776]
[2023-11-19 07:54:05,938 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:54:05,939 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:54:05,939 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:54:05,939 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:54:05,940 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:54:05,940 INFO  L87              Difference]: Start difference. First operand 54 states and 64 transitions. Second operand  has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:54:05,964 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:54:05,964 INFO  L93              Difference]: Finished difference Result 81 states and 92 transitions.
[2023-11-19 07:54:05,965 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 07:54:05,965 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26
[2023-11-19 07:54:05,966 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:54:05,967 INFO  L225             Difference]: With dead ends: 81
[2023-11-19 07:54:05,967 INFO  L226             Difference]: Without dead ends: 56
[2023-11-19 07:54:05,968 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:54:05,969 INFO  L413           NwaCegarLoop]: 60 mSDtfsCounter, 4 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:54:05,970 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 110 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:54:05,971 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2023-11-19 07:54:05,978 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56.
[2023-11-19 07:54:05,979 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 56 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 47 states have internal predecessors, (50), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2023-11-19 07:54:05,980 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 66 transitions.
[2023-11-19 07:54:05,981 INFO  L78                 Accepts]: Start accepts. Automaton has 56 states and 66 transitions. Word has length 26
[2023-11-19 07:54:05,981 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:54:05,981 INFO  L495      AbstractCegarLoop]: Abstraction has 56 states and 66 transitions.
[2023-11-19 07:54:05,981 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:54:05,982 INFO  L276                IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions.
[2023-11-19 07:54:05,983 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2023-11-19 07:54:05,983 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:54:05,984 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 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 07:54:05,984 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-19 07:54:05,984 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 07:54:05,985 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:54:05,985 INFO  L85        PathProgramCache]: Analyzing trace with hash -67884049, now seen corresponding path program 1 times
[2023-11-19 07:54:05,986 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:54:05,986 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550424087]
[2023-11-19 07:54:05,986 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:54:05,986 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:54:06,013 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:06,071 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:54:06,073 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:06,077 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2023-11-19 07:54:06,079 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:06,083 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2023-11-19 07:54:06,085 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:06,090 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-11-19 07:54:06,090 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:54:06,090 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550424087]
[2023-11-19 07:54:06,091 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550424087] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:54:06,091 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:54:06,091 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:54:06,091 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240292638]
[2023-11-19 07:54:06,092 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:54:06,092 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:54:06,092 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:54:06,093 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:54:06,093 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:54:06,094 INFO  L87              Difference]: Start difference. First operand 56 states and 66 transitions. Second operand  has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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 07:54:06,110 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:54:06,111 INFO  L93              Difference]: Finished difference Result 56 states and 66 transitions.
[2023-11-19 07:54:06,111 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 07:54:06,112 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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 33
[2023-11-19 07:54:06,112 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:54:06,113 INFO  L225             Difference]: With dead ends: 56
[2023-11-19 07:54:06,114 INFO  L226             Difference]: Without dead ends: 54
[2023-11-19 07:54:06,114 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:54:06,116 INFO  L413           NwaCegarLoop]: 56 mSDtfsCounter, 1 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:54:06,116 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 108 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:54:06,117 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2023-11-19 07:54:06,125 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54.
[2023-11-19 07:54:06,126 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54 states, 42 states have (on average 1.1428571428571428) internal successors, (48), 45 states have internal predecessors, (48), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2023-11-19 07:54:06,127 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 64 transitions.
[2023-11-19 07:54:06,128 INFO  L78                 Accepts]: Start accepts. Automaton has 54 states and 64 transitions. Word has length 33
[2023-11-19 07:54:06,128 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:54:06,128 INFO  L495      AbstractCegarLoop]: Abstraction has 54 states and 64 transitions.
[2023-11-19 07:54:06,129 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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 07:54:06,129 INFO  L276                IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions.
[2023-11-19 07:54:06,131 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2023-11-19 07:54:06,131 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:54:06,132 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:54:06,132 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-19 07:54:06,132 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:54:06,133 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:54:06,133 INFO  L85        PathProgramCache]: Analyzing trace with hash 2004604566, now seen corresponding path program 1 times
[2023-11-19 07:54:06,133 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:54:06,134 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56776452]
[2023-11-19 07:54:06,134 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:54:06,134 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:54:06,159 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:06,215 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:54:06,217 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:06,221 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2023-11-19 07:54:06,223 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:06,227 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2023-11-19 07:54:06,229 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:06,262 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2023-11-19 07:54:06,265 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:54:06,270 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-11-19 07:54:06,270 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:54:06,270 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56776452]
[2023-11-19 07:54:06,271 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56776452] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:54:06,271 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:54:06,271 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:54:06,272 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53045070]
[2023-11-19 07:54:06,272 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:54:06,273 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:54:06,273 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:54:06,274 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:54:06,274 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:54:06,274 INFO  L87              Difference]: Start difference. First operand 54 states and 64 transitions. Second operand  has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2023-11-19 07:54:06,291 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:54:06,292 INFO  L93              Difference]: Finished difference Result 54 states and 64 transitions.
[2023-11-19 07:54:06,292 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 07:54:06,293 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43
[2023-11-19 07:54:06,293 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:54:06,294 INFO  L225             Difference]: With dead ends: 54
[2023-11-19 07:54:06,294 INFO  L226             Difference]: Without dead ends: 0
[2023-11-19 07:54:06,295 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:54:06,296 INFO  L413           NwaCegarLoop]: 55 mSDtfsCounter, 1 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:54:06,297 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 107 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:54:06,298 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-19 07:54:06,298 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-19 07:54:06,299 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 07:54:06,299 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-19 07:54:06,299 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43
[2023-11-19 07:54:06,300 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:54:06,300 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 07:54:06,300 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2023-11-19 07:54:06,300 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-19 07:54:06,301 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-19 07:54:06,304 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining)
[2023-11-19 07:54:06,305 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining)
[2023-11-19 07:54:06,306 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining)
[2023-11-19 07:54:06,306 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining)
[2023-11-19 07:54:06,307 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining)
[2023-11-19 07:54:06,307 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining)
[2023-11-19 07:54:06,307 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining)
[2023-11-19 07:54:06,308 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining)
[2023-11-19 07:54:06,308 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-11-19 07:54:06,311 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-19 07:54:06,423 INFO  L902   garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true
[2023-11-19 07:54:06,423 INFO  L899   garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed.
[2023-11-19 07:54:06,424 INFO  L899   garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed.
[2023-11-19 07:54:06,424 INFO  L899   garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed.
[2023-11-19 07:54:06,424 INFO  L902   garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true
[2023-11-19 07:54:06,425 INFO  L899   garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed.
[2023-11-19 07:54:06,425 INFO  L899   garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed.
[2023-11-19 07:54:06,425 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1608) no Hoare annotation was computed.
[2023-11-19 07:54:06,425 INFO  L899   garLoopResultBuilder]: For program point main_returnLabel#1(lines 1663 1670) no Hoare annotation was computed.
[2023-11-19 07:54:06,426 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1650) no Hoare annotation was computed.
[2023-11-19 07:54:06,426 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed.
[2023-11-19 07:54:06,426 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-11-19 07:54:06,426 INFO  L895   garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: (and (= ~staticFalse~0 0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483646) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (= ~staticTrue~0 1))
[2023-11-19 07:54:06,427 INFO  L899   garLoopResultBuilder]: For program point L1564-1(lines 1558 1565) no Hoare annotation was computed.
[2023-11-19 07:54:06,427 INFO  L899   garLoopResultBuilder]: For program point L1622(lines 1622 1629) no Hoare annotation was computed.
[2023-11-19 07:54:06,427 INFO  L899   garLoopResultBuilder]: For program point L1622-1(lines 1619 1638) no Hoare annotation was computed.
[2023-11-19 07:54:06,427 INFO  L895   garLoopResultBuilder]: At program point L1614(line 1614) the Hoare annotation is: (and (= ~staticFalse~0 0) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648)) (= ~staticTrue~0 1))
[2023-11-19 07:54:06,428 INFO  L899   garLoopResultBuilder]: For program point L1639(lines 1639 1655) no Hoare annotation was computed.
[2023-11-19 07:54:06,428 INFO  L899   garLoopResultBuilder]: For program point L1606(lines 1606 1615) no Hoare annotation was computed.
[2023-11-19 07:54:06,428 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed.
[2023-11-19 07:54:06,429 INFO  L899   garLoopResultBuilder]: For program point L1656(lines 1656 1662) no Hoare annotation was computed.
[2023-11-19 07:54:06,429 INFO  L899   garLoopResultBuilder]: For program point L1590(lines 1590 1603) no Hoare annotation was computed.
[2023-11-19 07:54:06,429 INFO  L899   garLoopResultBuilder]: For program point L1590-2(lines 1587 1617) no Hoare annotation was computed.
[2023-11-19 07:54:06,429 INFO  L895   garLoopResultBuilder]: At program point L1582(line 1582) the Hoare annotation is: (and (= ~staticFalse~0 0) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (= ~staticTrue~0 1))
[2023-11-19 07:54:06,430 INFO  L899   garLoopResultBuilder]: For program point L1582-1(lines 1550 1585) no Hoare annotation was computed.
[2023-11-19 07:54:06,430 INFO  L899   garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-19 07:54:06,430 INFO  L899   garLoopResultBuilder]: For program point L1574(lines 1574 1583) no Hoare annotation was computed.
[2023-11-19 07:54:06,430 INFO  L895   garLoopResultBuilder]: At program point L1624(line 1624) the Hoare annotation is: false
[2023-11-19 07:54:06,430 INFO  L899   garLoopResultBuilder]: For program point L1558(lines 1558 1565) no Hoare annotation was computed.
[2023-11-19 07:54:06,431 INFO  L899   garLoopResultBuilder]: For program point L1608(line 1608) no Hoare annotation was computed.
[2023-11-19 07:54:06,431 INFO  L899   garLoopResultBuilder]: For program point L1608-1(line 1608) no Hoare annotation was computed.
[2023-11-19 07:54:06,431 INFO  L895   garLoopResultBuilder]: At program point L1666(line 1666) the Hoare annotation is: (and (= ~staticFalse~0 0) (= ~staticTrue~0 1))
[2023-11-19 07:54:06,432 INFO  L899   garLoopResultBuilder]: For program point L1666-1(line 1666) no Hoare annotation was computed.
[2023-11-19 07:54:06,432 INFO  L899   garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed.
[2023-11-19 07:54:06,432 INFO  L895   garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: (and (= ~staticFalse~0 0) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483646) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648)) (= ~staticTrue~0 1))
[2023-11-19 07:54:06,432 INFO  L899   garLoopResultBuilder]: For program point L1633-1(line 1633) no Hoare annotation was computed.
[2023-11-19 07:54:06,433 INFO  L899   garLoopResultBuilder]: For program point L1600-1(lines 1594 1601) no Hoare annotation was computed.
[2023-11-19 07:54:06,433 INFO  L899   garLoopResultBuilder]: For program point L1650(line 1650) no Hoare annotation was computed.
[2023-11-19 07:54:06,433 INFO  L899   garLoopResultBuilder]: For program point L1650-1(line 1650) no Hoare annotation was computed.
[2023-11-19 07:54:06,433 INFO  L899   garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed.
[2023-11-19 07:54:06,434 INFO  L899   garLoopResultBuilder]: For program point L1576-1(line 1576) no Hoare annotation was computed.
[2023-11-19 07:54:06,434 INFO  L899   garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-11-19 07:54:06,434 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed.
[2023-11-19 07:54:06,434 INFO  L899   garLoopResultBuilder]: For program point L1618(lines 1618 1638) no Hoare annotation was computed.
[2023-11-19 07:54:06,434 INFO  L899   garLoopResultBuilder]: For program point L1643(lines 1643 1646) no Hoare annotation was computed.
[2023-11-19 07:54:06,435 INFO  L895   garLoopResultBuilder]: At program point L1610(line 1610) the Hoare annotation is: (and (= ~staticFalse~0 0) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648)) (= ~staticTrue~0 1))
[2023-11-19 07:54:06,435 INFO  L899   garLoopResultBuilder]: For program point L1610-1(line 1610) no Hoare annotation was computed.
[2023-11-19 07:54:06,435 INFO  L899   garLoopResultBuilder]: For program point L1643-2(lines 1640 1655) no Hoare annotation was computed.
[2023-11-19 07:54:06,436 INFO  L895   garLoopResultBuilder]: At program point L1668(line 1668) the Hoare annotation is: (= ~staticTrue~0 1)
[2023-11-19 07:54:06,436 INFO  L895   garLoopResultBuilder]: At program point L1635(line 1635) the Hoare annotation is: (and (= ~staticFalse~0 0) (= ~staticTrue~0 1))
[2023-11-19 07:54:06,436 INFO  L899   garLoopResultBuilder]: For program point L1668-1(line 1668) no Hoare annotation was computed.
[2023-11-19 07:54:06,436 INFO  L899   garLoopResultBuilder]: For program point L1635-1(line 1635) no Hoare annotation was computed.
[2023-11-19 07:54:06,437 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-19 07:54:06,437 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed.
[2023-11-19 07:54:06,437 INFO  L899   garLoopResultBuilder]: For program point L1594(lines 1594 1601) no Hoare annotation was computed.
[2023-11-19 07:54:06,437 INFO  L895   garLoopResultBuilder]: At program point L1652(line 1652) the Hoare annotation is: (= ~staticTrue~0 1)
[2023-11-19 07:54:06,438 INFO  L899   garLoopResultBuilder]: For program point L1652-1(line 1652) no Hoare annotation was computed.
[2023-11-19 07:54:06,438 INFO  L899   garLoopResultBuilder]: For program point L1586(lines 1586 1617) no Hoare annotation was computed.
[2023-11-19 07:54:06,438 INFO  L895   garLoopResultBuilder]: At program point L1578(line 1578) the Hoare annotation is: (and (= ~staticFalse~0 0) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (= ~staticTrue~0 1))
[2023-11-19 07:54:06,438 INFO  L899   garLoopResultBuilder]: For program point L1578-1(line 1578) no Hoare annotation was computed.
[2023-11-19 07:54:06,439 INFO  L895   garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: false
[2023-11-19 07:54:06,439 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1608) no Hoare annotation was computed.
[2023-11-19 07:54:06,439 INFO  L899   garLoopResultBuilder]: For program point L1554(lines 1554 1567) no Hoare annotation was computed.
[2023-11-19 07:54:06,439 INFO  L899   garLoopResultBuilder]: For program point L1554-2(lines 1551 1585) no Hoare annotation was computed.
[2023-11-19 07:54:06,440 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1650) no Hoare annotation was computed.
[2023-11-19 07:54:06,445 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:54:06,448 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:54:06,455 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:54:06 BoogieIcfgContainer
[2023-11-19 07:54:06,455 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:54:06,456 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:54:06,457 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:54:06,457 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-11-19 07:54:06,458 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:03" (3/4) ...
[2023-11-19 07:54:06,461 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:54:06,467 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure printLine
[2023-11-19 07:54:06,468 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine
[2023-11-19 07:54:06,478 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges
[2023-11-19 07:54:06,479 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2023-11-19 07:54:06,480 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2023-11-19 07:54:06,482 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:54:06,482 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:54:06,626 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa33421-ef57-491e-a676-cc2b5cd4d175/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:54:06,626 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa33421-ef57-491e-a676-cc2b5cd4d175/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:54:06,627 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:54:06,628 INFO  L158              Benchmark]: Toolchain (without parser) took 5195.08ms. Allocated memory was 121.6MB in the beginning and 192.9MB in the end (delta: 71.3MB). Free memory was 81.4MB in the beginning and 137.2MB in the end (delta: -55.8MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB.
[2023-11-19 07:54:06,628 INFO  L158              Benchmark]: CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:54:06,629 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 1607.04ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 81.4MB in the beginning and 86.1MB in the end (delta: -4.7MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB.
[2023-11-19 07:54:06,629 INFO  L158              Benchmark]: Boogie Procedure Inliner took 113.42ms. Allocated memory is still 159.4MB. Free memory was 86.1MB in the beginning and 82.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:54:06,636 INFO  L158              Benchmark]: Boogie Preprocessor took 35.43ms. Allocated memory is still 159.4MB. Free memory was 82.9MB in the beginning and 80.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:54:06,636 INFO  L158              Benchmark]: RCFGBuilder took 712.88ms. Allocated memory is still 159.4MB. Free memory was 80.8MB in the beginning and 123.1MB in the end (delta: -42.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
[2023-11-19 07:54:06,637 INFO  L158              Benchmark]: TraceAbstraction took 2545.96ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 122.2MB in the beginning and 143.5MB in the end (delta: -21.3MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB.
[2023-11-19 07:54:06,638 INFO  L158              Benchmark]: Witness Printer took 170.31ms. Allocated memory is still 192.9MB. Free memory was 143.5MB in the beginning and 137.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2023-11-19 07:54:06,644 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 1607.04ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 81.4MB in the beginning and 86.1MB in the end (delta: -4.7MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 113.42ms. Allocated memory is still 159.4MB. Free memory was 86.1MB in the beginning and 82.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 35.43ms. Allocated memory is still 159.4MB. Free memory was 82.9MB in the beginning and 80.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 712.88ms. Allocated memory is still 159.4MB. Free memory was 80.8MB in the beginning and 123.1MB in the end (delta: -42.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
 * TraceAbstraction took 2545.96ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 122.2MB in the beginning and 143.5MB in the end (delta: -21.3MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB.
 * Witness Printer took 170.31ms. Allocated memory is still 192.9MB. Free memory was 143.5MB in the beginning and 137.2MB 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: 1576]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1576]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1608]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1608]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1633]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1633]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1650]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1650]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 3 procedures, 65 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 166 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 156 mSDsluCounter, 807 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 309 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 498 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 46 PreInvPairs, 54 NumberOfFragments, 102 HoareAnnotationTreeSize, 46 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 30 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 184 ConstructedInterpolants, 0 QuantifiedInterpolants, 254 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 36/36 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 07:54:06,690 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa33421-ef57-491e-a676-cc2b5cd4d175/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