./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/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_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/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_2a884ef6-f00c-426d-80c7-34b70dd00c56/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 d8688e7f79ed82546c684653a3176376ee7ee300eb5fd6039eaf31b6bcdf87ca
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:44:51,968 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:44:52,092 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2023-11-19 07:44:52,101 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:44:52,103 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:44:52,142 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:44:52,143 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:44:52,144 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:44:52,145 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:44:52,151 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:44:52,152 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:44:52,153 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:44:52,154 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:44:52,156 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:44:52,156 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:44:52,157 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:44:52,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:44:52,158 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:44:52,158 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:44:52,159 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:44:52,159 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true
[2023-11-19 07:44:52,160 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:44:52,160 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:44:52,161 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:44:52,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:44:52,162 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:44:52,163 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:44:52,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:44:52,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:44:52,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:44:52,166 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:44:52,166 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:44:52,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:44:52,167 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:44:52,167 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:44:52,167 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:44:52,168 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:44:52,168 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:44:52,168 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_2a884ef6-f00c-426d-80c7-34b70dd00c56/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8688e7f79ed82546c684653a3176376ee7ee300eb5fd6039eaf31b6bcdf87ca
[2023-11-19 07:44:52,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:44:52,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:44:52,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:44:52,501 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:44:52,502 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:44:52,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i
[2023-11-19 07:44:55,763 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:44:56,143 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:44:56,144 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/sv-benchmarks/c/busybox-1.22.0/dirname-1.i
[2023-11-19 07:44:56,174 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/data/a0e79d539/e2d77304ffd44392a772bff578d2d2ff/FLAG2cf017600
[2023-11-19 07:44:56,190 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/data/a0e79d539/e2d77304ffd44392a772bff578d2d2ff
[2023-11-19 07:44:56,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:44:56,195 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:44:56,196 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:44:56,197 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:44:56,202 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:44:56,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:56" (1/1) ...
[2023-11-19 07:44:56,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52bdc474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:56, skipping insertion in model container
[2023-11-19 07:44:56,204 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:56" (1/1) ...
[2023-11-19 07:44:56,264 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:44:56,946 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:44:56,963 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:44:57,109 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:44:57,225 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:44:57,225 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:44:57,235 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:44:57,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:57 WrapperNode
[2023-11-19 07:44:57,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:44:57,237 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:44:57,237 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:44:57,237 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:44:57,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:57" (1/1) ...
[2023-11-19 07:44:57,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:57" (1/1) ...
[2023-11-19 07:44:57,342 INFO L138 Inliner]: procedures = 348, calls = 118, calls flagged for inlining = 9, calls inlined = 7, statements flattened = 282
[2023-11-19 07:44:57,343 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:44:57,344 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:44:57,344 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:44:57,344 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:44:57,391 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:57" (1/1) ...
[2023-11-19 07:44:57,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:57" (1/1) ...
[2023-11-19 07:44:57,420 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:57" (1/1) ...
[2023-11-19 07:44:57,429 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:57" (1/1) ...
[2023-11-19 07:44:57,449 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:57" (1/1) ...
[2023-11-19 07:44:57,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:57" (1/1) ...
[2023-11-19 07:44:57,460 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:57" (1/1) ...
[2023-11-19 07:44:57,463 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:57" (1/1) ...
[2023-11-19 07:44:57,468 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:44:57,469 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:44:57,469 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:44:57,469 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:44:57,470 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:57" (1/1) ...
[2023-11-19 07:44:57,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:44:57,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:44:57,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:44:57,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:44:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-11-19 07:44:57,564 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-11-19 07:44:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2023-11-19 07:44:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:44:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2023-11-19 07:44:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 07:44:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure puts
[2023-11-19 07:44:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-11-19 07:44:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure fflush
[2023-11-19 07:44:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:44:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2023-11-19 07:44:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:44:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:44:57,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:44:57,806 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:44:57,810 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:44:58,336 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:44:58,352 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:44:58,352 INFO L302 CfgBuilder]: Removed 7 assume(true) statements.
[2023-11-19 07:44:58,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:58 BoogieIcfgContainer
[2023-11-19 07:44:58,357 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:44:58,359 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:44:58,359 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:44:58,371 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:44:58,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:44:56" (1/3) ...
[2023-11-19 07:44:58,372 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c484d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:44:58, skipping insertion in model container
[2023-11-19 07:44:58,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:57" (2/3) ...
[2023-11-19 07:44:58,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c484d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:44:58, skipping insertion in model container
[2023-11-19 07:44:58,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:58" (3/3) ...
[2023-11-19 07:44:58,378 INFO L112 eAbstractionObserver]: Analyzing ICFG dirname-1.i
[2023-11-19 07:44:58,396 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:44:58,396 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations.
[2023-11-19 07:44:58,447 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:44:58,455 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;@1891fd0b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:44:58,455 INFO L358 AbstractCegarLoop]: Starting to check reachability of 24 error locations.
[2023-11-19 07:44:58,461 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 64 states have (on average 1.75) internal successors, (112), 88 states have internal predecessors, (112), 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 07:44:58,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2023-11-19 07:44:58,469 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:44:58,470 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2023-11-19 07:44:58,470 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2023-11-19 07:44:58,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:44:58,477 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times
[2023-11-19 07:44:58,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:44:58,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123756604]
[2023-11-19 07:44:58,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:44:58,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:44:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:44:58,855 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 07:44:58,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:44:58,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123756604]
[2023-11-19 07:44:58,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123756604] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:44:58,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:44:58,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:44:58,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648781866]
[2023-11-19 07:44:58,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:44:58,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:44:58,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:44:58,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:44:58,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:44:58,924 INFO L87 Difference]: Start difference. First operand has 91 states, 64 states have (on average 1.75) internal successors, (112), 88 states have internal predecessors, (112), 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) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 07:44:59,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:44:59,021 INFO L93 Difference]: Finished difference Result 180 states and 227 transitions.
[2023-11-19 07:44:59,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:44:59,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4
[2023-11-19 07:44:59,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:44:59,036 INFO L225 Difference]: With dead ends: 180
[2023-11-19 07:44:59,036 INFO L226 Difference]: Without dead ends: 90
[2023-11-19 07:44:59,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:44:59,048 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 1 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:44:59,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 200 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:44:59,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states.
[2023-11-19 07:44:59,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90.
[2023-11-19 07:44:59,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 64 states have (on average 1.609375) internal successors, (103), 87 states have internal predecessors, (103), 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 07:44:59,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 105 transitions.
[2023-11-19 07:44:59,128 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 105 transitions. Word has length 4
[2023-11-19 07:44:59,128 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:44:59,129 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 105 transitions.
[2023-11-19 07:44:59,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 07:44:59,129 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions.
[2023-11-19 07:44:59,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2023-11-19 07:44:59,130 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:44:59,130 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1]
[2023-11-19 07:44:59,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:44:59,131 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2023-11-19 07:44:59,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:44:59,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1809705867, now seen corresponding path program 1 times
[2023-11-19 07:44:59,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:44:59,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128573269]
[2023-11-19 07:44:59,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:44:59,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:44:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:44:59,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:44:59,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:44:59,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128573269]
[2023-11-19 07:44:59,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128573269] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:44:59,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22775292]
[2023-11-19 07:44:59,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:44:59,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:44:59,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:44:59,423 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:44:59,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-19 07:44:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:44:59,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:44:59,631 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:44:59,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:44:59,686 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:44:59,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22775292] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:44:59,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:44:59,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4
[2023-11-19 07:44:59,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015422233]
[2023-11-19 07:44:59,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:44:59,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:44:59,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:44:59,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:44:59,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:44:59,693 INFO L87 Difference]: Start difference. First operand 90 states and 105 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:44:59,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:44:59,746 INFO L93 Difference]: Finished difference Result 90 states and 105 transitions.
[2023-11-19 07:44:59,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:44:59,749 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2023-11-19 07:44:59,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:44:59,754 INFO L225 Difference]: With dead ends: 90
[2023-11-19 07:44:59,754 INFO L226 Difference]: Without dead ends: 89
[2023-11-19 07:44:59,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:44:59,759 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 5 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:44:59,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 190 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:44:59,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states.
[2023-11-19 07:44:59,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89.
[2023-11-19 07:44:59,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 64 states have (on average 1.59375) internal successors, (102), 86 states have internal predecessors, (102), 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 07:44:59,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 104 transitions.
[2023-11-19 07:44:59,792 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 104 transitions. Word has length 7
[2023-11-19 07:44:59,793 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:44:59,793 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 104 transitions.
[2023-11-19 07:44:59,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:44:59,794 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 104 transitions.
[2023-11-19 07:44:59,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2023-11-19 07:44:59,795 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:44:59,796 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1]
[2023-11-19 07:44:59,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-19 07:45:00,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1
[2023-11-19 07:45:00,009 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2023-11-19 07:45:00,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:45:00,010 INFO L85 PathProgramCache]: Analyzing trace with hash 266307074, now seen corresponding path program 1 times
[2023-11-19 07:45:00,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:45:00,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567907189]
[2023-11-19 07:45:00,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:45:00,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:45:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:00,145 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-19 07:45:00,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:45:00,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567907189]
[2023-11-19 07:45:00,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567907189] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:45:00,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:45:00,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:45:00,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305829179]
[2023-11-19 07:45:00,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:45:00,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:45:00,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:45:00,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:45:00,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:45:00,151 INFO L87 Difference]: Start difference. First operand 89 states and 104 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:45:00,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:45:00,182 INFO L93 Difference]: Finished difference Result 89 states and 104 transitions.
[2023-11-19 07:45:00,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:45:00,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2023-11-19 07:45:00,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:45:00,186 INFO L225 Difference]: With dead ends: 89
[2023-11-19 07:45:00,186 INFO L226 Difference]: Without dead ends: 88
[2023-11-19 07:45:00,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:45:00,188 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:45:00,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 191 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:45:00,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states.
[2023-11-19 07:45:00,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 86.
[2023-11-19 07:45:00,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 62 states have (on average 1.596774193548387) internal successors, (99), 83 states have internal predecessors, (99), 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 07:45:00,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 101 transitions.
[2023-11-19 07:45:00,199 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 101 transitions. Word has length 8
[2023-11-19 07:45:00,199 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:45:00,200 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 101 transitions.
[2023-11-19 07:45:00,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:45:00,200 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 101 transitions.
[2023-11-19 07:45:00,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-11-19 07:45:00,201 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:45:00,201 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:45:00,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:45:00,201 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2023-11-19 07:45:00,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:45:00,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1987530426, now seen corresponding path program 1 times
[2023-11-19 07:45:00,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:45:00,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054318938]
[2023-11-19 07:45:00,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:45:00,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:45:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:00,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2023-11-19 07:45:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:00,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:45:00,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:45:00,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054318938]
[2023-11-19 07:45:00,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054318938] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:45:00,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400634062]
[2023-11-19 07:45:00,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:45:00,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:45:00,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:45:00,291 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:45:00,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-19 07:45:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:00,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-11-19 07:45:00,428 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:45:00,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-19 07:45:00,443 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:45:00,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400634062] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:45:00,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:45:00,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5
[2023-11-19 07:45:00,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298623070]
[2023-11-19 07:45:00,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:45:00,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:45:00,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:45:00,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:45:00,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:45:00,447 INFO L87 Difference]: Start difference. First operand 86 states and 101 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 07:45:00,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:45:00,476 INFO L93 Difference]: Finished difference Result 86 states and 101 transitions.
[2023-11-19 07:45:00,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:45:00,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 13
[2023-11-19 07:45:00,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:45:00,478 INFO L225 Difference]: With dead ends: 86
[2023-11-19 07:45:00,478 INFO L226 Difference]: Without dead ends: 84
[2023-11-19 07:45:00,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:45:00,480 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 86 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:45:00,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 97 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:45:00,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states.
[2023-11-19 07:45:00,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84.
[2023-11-19 07:45:00,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.564516129032258) internal successors, (97), 81 states have internal predecessors, (97), 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 07:45:00,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 99 transitions.
[2023-11-19 07:45:00,490 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 99 transitions. Word has length 13
[2023-11-19 07:45:00,490 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:45:00,490 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 99 transitions.
[2023-11-19 07:45:00,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 07:45:00,491 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 99 transitions.
[2023-11-19 07:45:00,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2023-11-19 07:45:00,492 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:45:00,492 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:45:00,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-11-19 07:45:00,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3
[2023-11-19 07:45:00,709 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2023-11-19 07:45:00,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:45:00,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1483901008, now seen corresponding path program 1 times
[2023-11-19 07:45:00,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:45:00,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542091469]
[2023-11-19 07:45:00,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:45:00,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:45:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:00,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2023-11-19 07:45:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:00,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:45:00,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:45:00,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542091469]
[2023-11-19 07:45:00,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542091469] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:45:00,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555704004]
[2023-11-19 07:45:00,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:45:00,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:45:00,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:45:00,814 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:45:00,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-19 07:45:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:00,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:45:00,948 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:45:00,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:45:00,966 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:45:01,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:45:01,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555704004] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:45:01,004 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 07:45:01,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7
[2023-11-19 07:45:01,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123798200]
[2023-11-19 07:45:01,005 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:45:01,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-11-19 07:45:01,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:45:01,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-11-19 07:45:01,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:45:01,007 INFO L87 Difference]: Start difference. First operand 84 states and 99 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:45:01,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:45:01,050 INFO L93 Difference]: Finished difference Result 171 states and 203 transitions.
[2023-11-19 07:45:01,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:45:01,050 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14
[2023-11-19 07:45:01,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:45:01,052 INFO L225 Difference]: With dead ends: 171
[2023-11-19 07:45:01,052 INFO L226 Difference]: Without dead ends: 93
[2023-11-19 07:45:01,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:45:01,054 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 4 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:45:01,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 371 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:45:01,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states.
[2023-11-19 07:45:01,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93.
[2023-11-19 07:45:01,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 71 states have (on average 1.4929577464788732) internal successors, (106), 90 states have internal predecessors, (106), 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 07:45:01,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 108 transitions.
[2023-11-19 07:45:01,077 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 108 transitions. Word has length 14
[2023-11-19 07:45:01,077 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:45:01,078 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 108 transitions.
[2023-11-19 07:45:01,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:45:01,078 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 108 transitions.
[2023-11-19 07:45:01,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2023-11-19 07:45:01,079 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:45:01,080 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:45:01,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-11-19 07:45:01,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:45:01,308 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2023-11-19 07:45:01,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:45:01,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1169680074, now seen corresponding path program 2 times
[2023-11-19 07:45:01,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:45:01,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311096819]
[2023-11-19 07:45:01,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:45:01,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:45:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:01,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 07:45:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:01,482 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:45:01,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:45:01,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311096819]
[2023-11-19 07:45:01,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311096819] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:45:01,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355849131]
[2023-11-19 07:45:01,483 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-19 07:45:01,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:45:01,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:45:01,485 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:45:01,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-11-19 07:45:01,629 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2023-11-19 07:45:01,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-19 07:45:01,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-11-19 07:45:01,633 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:45:01,700 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2023-11-19 07:45:01,700 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:45:01,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355849131] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:45:01,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:45:01,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10
[2023-11-19 07:45:01,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976495102]
[2023-11-19 07:45:01,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:45:01,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:45:01,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:45:01,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:45:01,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90
[2023-11-19 07:45:01,703 INFO L87 Difference]: Start difference. First operand 93 states and 108 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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 07:45:01,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:45:01,770 INFO L93 Difference]: Finished difference Result 93 states and 108 transitions.
[2023-11-19 07:45:01,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 07:45:01,771 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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 23
[2023-11-19 07:45:01,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:45:01,772 INFO L225 Difference]: With dead ends: 93
[2023-11-19 07:45:01,772 INFO L226 Difference]: Without dead ends: 91
[2023-11-19 07:45:01,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110
[2023-11-19 07:45:01,774 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 85 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:45:01,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 260 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:45:01,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states.
[2023-11-19 07:45:01,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91.
[2023-11-19 07:45:01,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 71 states have (on average 1.4647887323943662) internal successors, (104), 88 states have internal predecessors, (104), 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 07:45:01,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 106 transitions.
[2023-11-19 07:45:01,784 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 106 transitions. Word has length 23
[2023-11-19 07:45:01,785 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:45:01,785 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 106 transitions.
[2023-11-19 07:45:01,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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 07:45:01,785 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 106 transitions.
[2023-11-19 07:45:01,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2023-11-19 07:45:01,786 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:45:01,787 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:45:01,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2023-11-19 07:45:02,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:45:02,012 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2023-11-19 07:45:02,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:45:02,012 INFO L85 PathProgramCache]: Analyzing trace with hash 2067118925, now seen corresponding path program 1 times
[2023-11-19 07:45:02,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:45:02,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665415403]
[2023-11-19 07:45:02,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:45:02,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:45:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:02,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 07:45:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:02,190 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2023-11-19 07:45:02,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:45:02,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665415403]
[2023-11-19 07:45:02,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665415403] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:45:02,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:45:02,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:45:02,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576959071]
[2023-11-19 07:45:02,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:45:02,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:45:02,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:45:02,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:45:02,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:45:02,194 INFO L87 Difference]: Start difference. First operand 91 states and 106 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 07:45:02,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:45:02,225 INFO L93 Difference]: Finished difference Result 160 states and 192 transitions.
[2023-11-19 07:45:02,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:45:02,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 28
[2023-11-19 07:45:02,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:45:02,227 INFO L225 Difference]: With dead ends: 160
[2023-11-19 07:45:02,227 INFO L226 Difference]: Without dead ends: 94
[2023-11-19 07:45:02,228 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 07:45:02,229 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 1 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:45:02,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 180 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:45:02,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states.
[2023-11-19 07:45:02,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94.
[2023-11-19 07:45:02,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 74 states have (on average 1.445945945945946) internal successors, (107), 91 states have internal predecessors, (107), 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 07:45:02,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 109 transitions.
[2023-11-19 07:45:02,240 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 109 transitions. Word has length 28
[2023-11-19 07:45:02,240 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:45:02,240 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 109 transitions.
[2023-11-19 07:45:02,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 07:45:02,241 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 109 transitions.
[2023-11-19 07:45:02,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2023-11-19 07:45:02,242 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:45:02,243 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:45:02,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-19 07:45:02,243 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2023-11-19 07:45:02,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:45:02,244 INFO L85 PathProgramCache]: Analyzing trace with hash 298882917, now seen corresponding path program 1 times
[2023-11-19 07:45:02,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:45:02,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577254629]
[2023-11-19 07:45:02,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:45:02,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:45:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:02,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 07:45:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:02,474 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2023-11-19 07:45:02,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:45:02,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577254629]
[2023-11-19 07:45:02,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577254629] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:45:02,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831091577]
[2023-11-19 07:45:02,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:45:02,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:45:02,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:45:02,477 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:45:02,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2023-11-19 07:45:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:02,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-11-19 07:45:02,704 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:45:02,779 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-19 07:45:02,779 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:45:02,899 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-19 07:45:02,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831091577] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:45:02,900 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 07:45:02,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14
[2023-11-19 07:45:02,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460912064]
[2023-11-19 07:45:02,900 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:45:02,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2023-11-19 07:45:02,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:45:02,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2023-11-19 07:45:02,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182
[2023-11-19 07:45:02,907 INFO L87 Difference]: Start difference. First operand 94 states and 109 transitions. Second operand has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2023-11-19 07:45:03,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:45:03,030 INFO L93 Difference]: Finished difference Result 190 states and 226 transitions.
[2023-11-19 07:45:03,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2023-11-19 07:45:03,030 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31
[2023-11-19 07:45:03,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:45:03,031 INFO L225 Difference]: With dead ends: 190
[2023-11-19 07:45:03,031 INFO L226 Difference]: Without dead ends: 111
[2023-11-19 07:45:03,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182
[2023-11-19 07:45:03,036 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 7 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:45:03,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 423 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:45:03,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states.
[2023-11-19 07:45:03,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111.
[2023-11-19 07:45:03,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 92 states have (on average 1.3478260869565217) internal successors, (124), 108 states have internal predecessors, (124), 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 07:45:03,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 126 transitions.
[2023-11-19 07:45:03,056 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 126 transitions. Word has length 31
[2023-11-19 07:45:03,057 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:45:03,057 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 126 transitions.
[2023-11-19 07:45:03,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2023-11-19 07:45:03,057 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 126 transitions.
[2023-11-19 07:45:03,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2023-11-19 07:45:03,062 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:45:03,062 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:45:03,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2023-11-19 07:45:03,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:45:03,286 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2023-11-19 07:45:03,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:45:03,286 INFO L85 PathProgramCache]: Analyzing trace with hash -785716174, now seen corresponding path program 1 times
[2023-11-19 07:45:03,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:45:03,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649374592]
[2023-11-19 07:45:03,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:45:03,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:45:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:03,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2023-11-19 07:45:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:03,533 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked.
[2023-11-19 07:45:03,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:45:03,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649374592]
[2023-11-19 07:45:03,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649374592] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:45:03,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:45:03,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:45:03,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019771392]
[2023-11-19 07:45:03,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:45:03,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:45:03,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:45:03,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:45:03,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:45:03,535 INFO L87 Difference]: Start difference. First operand 111 states and 126 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 07:45:03,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:45:03,549 INFO L93 Difference]: Finished difference Result 140 states and 161 transitions.
[2023-11-19 07:45:03,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:45:03,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 50
[2023-11-19 07:45:03,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:45:03,551 INFO L225 Difference]: With dead ends: 140
[2023-11-19 07:45:03,551 INFO L226 Difference]: Without dead ends: 90
[2023-11-19 07:45:03,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:45:03,552 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 12 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:45:03,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 121 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:45:03,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states.
[2023-11-19 07:45:03,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 84.
[2023-11-19 07:45:03,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 75 states have (on average 1.2) internal successors, (90), 81 states have internal predecessors, (90), 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 07:45:03,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 92 transitions.
[2023-11-19 07:45:03,560 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 92 transitions. Word has length 50
[2023-11-19 07:45:03,561 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:45:03,561 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 92 transitions.
[2023-11-19 07:45:03,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 07:45:03,562 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions.
[2023-11-19 07:45:03,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2023-11-19 07:45:03,563 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:45:03,563 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:45:03,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-11-19 07:45:03,563 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2023-11-19 07:45:03,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:45:03,564 INFO L85 PathProgramCache]: Analyzing trace with hash 456684937, now seen corresponding path program 1 times
[2023-11-19 07:45:03,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:45:03,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699932331]
[2023-11-19 07:45:03,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:45:03,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:45:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:03,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2023-11-19 07:45:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:03,731 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked.
[2023-11-19 07:45:03,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:45:03,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699932331]
[2023-11-19 07:45:03,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699932331] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:45:03,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:45:03,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:45:03,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800589973]
[2023-11-19 07:45:03,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:45:03,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:45:03,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:45:03,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:45:03,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:45:03,734 INFO L87 Difference]: Start difference. First operand 84 states and 92 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, (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 07:45:03,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:45:03,770 INFO L93 Difference]: Finished difference Result 98 states and 108 transitions.
[2023-11-19 07:45:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:45:03,770 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, (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 50
[2023-11-19 07:45:03,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:45:03,771 INFO L225 Difference]: With dead ends: 98
[2023-11-19 07:45:03,771 INFO L226 Difference]: Without dead ends: 96
[2023-11-19 07:45:03,772 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 07:45:03,773 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 3 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:45:03,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 107 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:45:03,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states.
[2023-11-19 07:45:03,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94.
[2023-11-19 07:45:03,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 85 states have (on average 1.2117647058823529) internal successors, (103), 91 states have internal predecessors, (103), 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 07:45:03,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 105 transitions.
[2023-11-19 07:45:03,781 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 105 transitions. Word has length 50
[2023-11-19 07:45:03,782 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:45:03,782 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 105 transitions.
[2023-11-19 07:45:03,782 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, (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 07:45:03,782 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 105 transitions.
[2023-11-19 07:45:03,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2023-11-19 07:45:03,783 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:45:03,783 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:45:03,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2023-11-19 07:45:03,784 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2023-11-19 07:45:03,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:45:03,784 INFO L85 PathProgramCache]: Analyzing trace with hash 456686666, now seen corresponding path program 1 times
[2023-11-19 07:45:03,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:45:03,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260467563]
[2023-11-19 07:45:03,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:45:03,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:45:03,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:03,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2023-11-19 07:45:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:03,997 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked.
[2023-11-19 07:45:03,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:45:03,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260467563]
[2023-11-19 07:45:03,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260467563] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:45:03,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:45:03,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:45:03,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14673660]
[2023-11-19 07:45:03,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:45:03,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:45:03,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:45:03,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:45:04,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:45:04,000 INFO L87 Difference]: Start difference. First operand 94 states and 105 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, (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 07:45:04,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:45:04,023 INFO L93 Difference]: Finished difference Result 94 states and 105 transitions.
[2023-11-19 07:45:04,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:45:04,024 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, (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 50
[2023-11-19 07:45:04,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:45:04,025 INFO L225 Difference]: With dead ends: 94
[2023-11-19 07:45:04,025 INFO L226 Difference]: Without dead ends: 93
[2023-11-19 07:45:04,026 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 07:45:04,027 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:45:04,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:45:04,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states.
[2023-11-19 07:45:04,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 89.
[2023-11-19 07:45:04,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 81 states have (on average 1.1975308641975309) internal successors, (97), 86 states have internal predecessors, (97), 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 07:45:04,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 99 transitions.
[2023-11-19 07:45:04,037 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 99 transitions. Word has length 50
[2023-11-19 07:45:04,037 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:45:04,038 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 99 transitions.
[2023-11-19 07:45:04,038 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, (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 07:45:04,038 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 99 transitions.
[2023-11-19 07:45:04,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2023-11-19 07:45:04,039 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:45:04,040 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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 07:45:04,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2023-11-19 07:45:04,040 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2023-11-19 07:45:04,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:45:04,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1884689093, now seen corresponding path program 1 times
[2023-11-19 07:45:04,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:45:04,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331389323]
[2023-11-19 07:45:04,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:45:04,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:45:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:04,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2023-11-19 07:45:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:04,200 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked.
[2023-11-19 07:45:04,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:45:04,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331389323]
[2023-11-19 07:45:04,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331389323] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:45:04,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:45:04,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:45:04,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057239641]
[2023-11-19 07:45:04,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:45:04,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:45:04,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:45:04,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:45:04,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:45:04,205 INFO L87 Difference]: Start difference. First operand 89 states and 99 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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 07:45:04,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:45:04,229 INFO L93 Difference]: Finished difference Result 103 states and 114 transitions.
[2023-11-19 07:45:04,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:45:04,230 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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 53
[2023-11-19 07:45:04,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:45:04,231 INFO L225 Difference]: With dead ends: 103
[2023-11-19 07:45:04,231 INFO L226 Difference]: Without dead ends: 92
[2023-11-19 07:45:04,231 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 07:45:04,232 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 1 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:45:04,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 108 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:45:04,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states.
[2023-11-19 07:45:04,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92.
[2023-11-19 07:45:04,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 84 states have (on average 1.1904761904761905) internal successors, (100), 89 states have internal predecessors, (100), 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 07:45:04,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 102 transitions.
[2023-11-19 07:45:04,240 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 102 transitions. Word has length 53
[2023-11-19 07:45:04,240 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:45:04,240 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 102 transitions.
[2023-11-19 07:45:04,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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 07:45:04,241 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 102 transitions.
[2023-11-19 07:45:04,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2023-11-19 07:45:04,241 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:45:04,242 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:45:04,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2023-11-19 07:45:04,242 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2023-11-19 07:45:04,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:45:04,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1334481679, now seen corresponding path program 1 times
[2023-11-19 07:45:04,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:45:04,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59020152]
[2023-11-19 07:45:04,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:45:04,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:45:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:04,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2023-11-19 07:45:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:04,407 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked.
[2023-11-19 07:45:04,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:45:04,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59020152]
[2023-11-19 07:45:04,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59020152] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:45:04,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900017584]
[2023-11-19 07:45:04,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:45:04,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:45:04,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:45:04,409 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:45:04,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2023-11-19 07:45:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:04,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:45:04,670 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:45:04,688 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked.
[2023-11-19 07:45:04,689 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:45:04,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900017584] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:45:04,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:45:04,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4
[2023-11-19 07:45:04,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17315485]
[2023-11-19 07:45:04,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:45:04,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:45:04,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:45:04,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:45:04,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:45:04,691 INFO L87 Difference]: Start difference. First operand 92 states and 102 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 07:45:04,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:45:04,713 INFO L93 Difference]: Finished difference Result 92 states and 102 transitions.
[2023-11-19 07:45:04,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:45:04,714 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 56
[2023-11-19 07:45:04,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:45:04,715 INFO L225 Difference]: With dead ends: 92
[2023-11-19 07:45:04,715 INFO L226 Difference]: Without dead ends: 91
[2023-11-19 07:45:04,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:45:04,716 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 5 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:45:04,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 105 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:45:04,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states.
[2023-11-19 07:45:04,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91.
[2023-11-19 07:45:04,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 84 states have (on average 1.1785714285714286) internal successors, (99), 88 states have internal predecessors, (99), 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 07:45:04,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 101 transitions.
[2023-11-19 07:45:04,724 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 101 transitions. Word has length 56
[2023-11-19 07:45:04,724 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:45:04,724 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 101 transitions.
[2023-11-19 07:45:04,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 07:45:04,725 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 101 transitions.
[2023-11-19 07:45:04,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58
[2023-11-19 07:45:04,726 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:45:04,726 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:45:04,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2023-11-19 07:45:04,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:45:04,949 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2023-11-19 07:45:04,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:45:04,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1580741122, now seen corresponding path program 1 times
[2023-11-19 07:45:04,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:45:04,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888411606]
[2023-11-19 07:45:04,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:45:04,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:45:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:05,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2023-11-19 07:45:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:05,084 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked.
[2023-11-19 07:45:05,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:45:05,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888411606]
[2023-11-19 07:45:05,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888411606] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:45:05,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:45:05,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:45:05,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419504467]
[2023-11-19 07:45:05,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:45:05,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:45:05,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:45:05,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:45:05,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:45:05,086 INFO L87 Difference]: Start difference. First operand 91 states and 101 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 07:45:05,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:45:05,107 INFO L93 Difference]: Finished difference Result 91 states and 101 transitions.
[2023-11-19 07:45:05,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:45:05,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 57
[2023-11-19 07:45:05,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:45:05,109 INFO L225 Difference]: With dead ends: 91
[2023-11-19 07:45:05,109 INFO L226 Difference]: Without dead ends: 90
[2023-11-19 07:45:05,110 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 07:45:05,110 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 0 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:45:05,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:45:05,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states.
[2023-11-19 07:45:05,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 88.
[2023-11-19 07:45:05,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 82 states have (on average 1.170731707317073) internal successors, (96), 85 states have internal predecessors, (96), 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 07:45:05,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 98 transitions.
[2023-11-19 07:45:05,120 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 98 transitions. Word has length 57
[2023-11-19 07:45:05,120 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:45:05,120 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 98 transitions.
[2023-11-19 07:45:05,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 07:45:05,121 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions.
[2023-11-19 07:45:05,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2023-11-19 07:45:05,121 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:45:05,122 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:45:05,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2023-11-19 07:45:05,122 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2023-11-19 07:45:05,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:45:05,123 INFO L85 PathProgramCache]: Analyzing trace with hash -570539598, now seen corresponding path program 1 times
[2023-11-19 07:45:05,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:45:05,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930647317]
[2023-11-19 07:45:05,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:45:05,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:45:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:05,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2023-11-19 07:45:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:05,361 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked.
[2023-11-19 07:45:05,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:45:05,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930647317]
[2023-11-19 07:45:05,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930647317] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:45:05,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651768446]
[2023-11-19 07:45:05,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:45:05,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:45:05,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:45:05,364 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:45:05,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2023-11-19 07:45:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:05,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:45:05,687 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:45:05,706 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked.
[2023-11-19 07:45:05,706 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:45:05,737 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked.
[2023-11-19 07:45:05,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651768446] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:45:05,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 07:45:05,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7
[2023-11-19 07:45:05,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559527599]
[2023-11-19 07:45:05,738 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:45:05,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-11-19 07:45:05,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:45:05,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-11-19 07:45:05,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:45:05,740 INFO L87 Difference]: Start difference. First operand 88 states and 98 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 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 07:45:05,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:45:05,784 INFO L93 Difference]: Finished difference Result 146 states and 169 transitions.
[2023-11-19 07:45:05,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:45:05,784 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 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 58
[2023-11-19 07:45:05,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:45:05,785 INFO L225 Difference]: With dead ends: 146
[2023-11-19 07:45:05,785 INFO L226 Difference]: Without dead ends: 106
[2023-11-19 07:45:05,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:45:05,787 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 4 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:45:05,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 157 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:45:05,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states.
[2023-11-19 07:45:05,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106.
[2023-11-19 07:45:05,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 100 states have (on average 1.14) internal successors, (114), 103 states have internal predecessors, (114), 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 07:45:05,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 116 transitions.
[2023-11-19 07:45:05,796 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 116 transitions. Word has length 58
[2023-11-19 07:45:05,797 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:45:05,797 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 116 transitions.
[2023-11-19 07:45:05,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 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 07:45:05,797 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 116 transitions.
[2023-11-19 07:45:05,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2023-11-19 07:45:05,798 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:45:05,798 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 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 07:45:05,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2023-11-19 07:45:06,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2023-11-19 07:45:06,022 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2023-11-19 07:45:06,022 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:45:06,022 INFO L85 PathProgramCache]: Analyzing trace with hash -468225339, now seen corresponding path program 1 times
[2023-11-19 07:45:06,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:45:06,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929152562]
[2023-11-19 07:45:06,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:45:06,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:45:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:06,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2023-11-19 07:45:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:06,220 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked.
[2023-11-19 07:45:06,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:45:06,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929152562]
[2023-11-19 07:45:06,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929152562] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:45:06,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004603141]
[2023-11-19 07:45:06,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:45:06,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:45:06,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:45:06,226 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:45:06,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2023-11-19 07:45:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:06,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-11-19 07:45:06,573 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:45:06,586 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked.
[2023-11-19 07:45:06,587 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:45:06,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004603141] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:45:06,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:45:06,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5
[2023-11-19 07:45:06,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819867495]
[2023-11-19 07:45:06,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:45:06,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:45:06,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:45:06,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:45:06,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:45:06,590 INFO L87 Difference]: Start difference. First operand 106 states and 116 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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 07:45:06,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:45:06,607 INFO L93 Difference]: Finished difference Result 106 states and 116 transitions.
[2023-11-19 07:45:06,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:45:06,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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 61
[2023-11-19 07:45:06,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:45:06,609 INFO L225 Difference]: With dead ends: 106
[2023-11-19 07:45:06,610 INFO L226 Difference]: Without dead ends: 105
[2023-11-19 07:45:06,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:45:06,611 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 2 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 104 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 07:45:06,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 104 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:45:06,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states.
[2023-11-19 07:45:06,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105.
[2023-11-19 07:45:06,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 100 states have (on average 1.13) internal successors, (113), 102 states have internal predecessors, (113), 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 07:45:06,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 115 transitions.
[2023-11-19 07:45:06,622 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 115 transitions. Word has length 61
[2023-11-19 07:45:06,622 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:45:06,622 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 115 transitions.
[2023-11-19 07:45:06,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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 07:45:06,623 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 115 transitions.
[2023-11-19 07:45:06,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2023-11-19 07:45:06,624 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:45:06,624 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:45:06,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2023-11-19 07:45:06,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2023-11-19 07:45:06,849 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2023-11-19 07:45:06,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:45:06,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1630083387, now seen corresponding path program 1 times
[2023-11-19 07:45:06,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:45:06,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353351547]
[2023-11-19 07:45:06,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:45:06,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:45:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:06,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2023-11-19 07:45:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:06,996 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked.
[2023-11-19 07:45:06,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:45:06,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353351547]
[2023-11-19 07:45:06,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353351547] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:45:06,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587438680]
[2023-11-19 07:45:06,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:45:06,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:45:06,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:45:06,999 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:45:07,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2023-11-19 07:45:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:07,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-11-19 07:45:07,315 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:45:07,328 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked.
[2023-11-19 07:45:07,329 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:45:07,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [587438680] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:45:07,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:45:07,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5
[2023-11-19 07:45:07,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485854373]
[2023-11-19 07:45:07,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:45:07,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:45:07,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:45:07,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:45:07,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:45:07,331 INFO L87 Difference]: Start difference. First operand 105 states and 115 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 07:45:07,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:45:07,348 INFO L93 Difference]: Finished difference Result 109 states and 119 transitions.
[2023-11-19 07:45:07,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:45:07,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 62
[2023-11-19 07:45:07,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:45:07,350 INFO L225 Difference]: With dead ends: 109
[2023-11-19 07:45:07,350 INFO L226 Difference]: Without dead ends: 108
[2023-11-19 07:45:07,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:45:07,351 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:45:07,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:45:07,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states.
[2023-11-19 07:45:07,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108.
[2023-11-19 07:45:07,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 103 states have (on average 1.1262135922330097) internal successors, (116), 105 states have internal predecessors, (116), 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 07:45:07,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 118 transitions.
[2023-11-19 07:45:07,361 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 118 transitions. Word has length 62
[2023-11-19 07:45:07,361 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:45:07,362 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 118 transitions.
[2023-11-19 07:45:07,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 07:45:07,362 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 118 transitions.
[2023-11-19 07:45:07,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2023-11-19 07:45:07,363 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:45:07,363 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:45:07,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2023-11-19 07:45:07,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2023-11-19 07:45:07,587 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2023-11-19 07:45:07,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:45:07,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1381261250, now seen corresponding path program 1 times
[2023-11-19 07:45:07,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:45:07,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134010428]
[2023-11-19 07:45:07,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:45:07,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:45:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:07,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2023-11-19 07:45:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:07,743 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked.
[2023-11-19 07:45:07,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:45:07,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134010428]
[2023-11-19 07:45:07,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134010428] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:45:07,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973321014]
[2023-11-19 07:45:07,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:45:07,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:45:07,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:45:07,746 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:45:07,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2023-11-19 07:45:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:08,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:45:08,075 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:45:08,090 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked.
[2023-11-19 07:45:08,090 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:45:08,114 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked.
[2023-11-19 07:45:08,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973321014] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:45:08,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 07:45:08,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7
[2023-11-19 07:45:08,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71440722]
[2023-11-19 07:45:08,115 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:45:08,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-11-19 07:45:08,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:45:08,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-11-19 07:45:08,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:45:08,116 INFO L87 Difference]: Start difference. First operand 108 states and 118 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 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 07:45:08,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:45:08,154 INFO L93 Difference]: Finished difference Result 128 states and 141 transitions.
[2023-11-19 07:45:08,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:45:08,155 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 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 65
[2023-11-19 07:45:08,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:45:08,156 INFO L225 Difference]: With dead ends: 128
[2023-11-19 07:45:08,156 INFO L226 Difference]: Without dead ends: 117
[2023-11-19 07:45:08,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:45:08,157 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 4 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:45:08,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 154 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:45:08,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states.
[2023-11-19 07:45:08,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117.
[2023-11-19 07:45:08,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 112 states have (on average 1.1160714285714286) internal successors, (125), 114 states have internal predecessors, (125), 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 07:45:08,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 127 transitions.
[2023-11-19 07:45:08,170 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 127 transitions. Word has length 65
[2023-11-19 07:45:08,170 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:45:08,171 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 127 transitions.
[2023-11-19 07:45:08,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 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 07:45:08,171 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 127 transitions.
[2023-11-19 07:45:08,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75
[2023-11-19 07:45:08,172 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:45:08,172 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:45:08,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0
[2023-11-19 07:45:08,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17
[2023-11-19 07:45:08,395 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2023-11-19 07:45:08,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:45:08,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1809516398, now seen corresponding path program 2 times
[2023-11-19 07:45:08,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:45:08,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547288823]
[2023-11-19 07:45:08,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:45:08,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:45:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:08,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2023-11-19 07:45:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:08,567 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked.
[2023-11-19 07:45:08,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:45:08,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547288823]
[2023-11-19 07:45:08,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547288823] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:45:08,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644150257]
[2023-11-19 07:45:08,568 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-19 07:45:08,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:45:08,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:45:08,570 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:45:08,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2023-11-19 07:45:08,892 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2023-11-19 07:45:08,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-19 07:45:08,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:45:08,897 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:45:08,958 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked.
[2023-11-19 07:45:08,958 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:45:09,031 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked.
[2023-11-19 07:45:09,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644150257] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:45:09,032 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 07:45:09,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7
[2023-11-19 07:45:09,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293723901]
[2023-11-19 07:45:09,033 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:45:09,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-11-19 07:45:09,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:45:09,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-11-19 07:45:09,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56
[2023-11-19 07:45:09,035 INFO L87 Difference]: Start difference. First operand 117 states and 127 transitions. Second operand has 8 states, 7 states have (on average 12.285714285714286) internal successors, (86), 8 states have internal predecessors, (86), 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 07:45:09,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:45:09,133 INFO L93 Difference]: Finished difference Result 121 states and 132 transitions.
[2023-11-19 07:45:09,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2023-11-19 07:45:09,134 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.285714285714286) internal successors, (86), 8 states have internal predecessors, (86), 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 74
[2023-11-19 07:45:09,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:45:09,135 INFO L225 Difference]: With dead ends: 121
[2023-11-19 07:45:09,135 INFO L226 Difference]: Without dead ends: 79
[2023-11-19 07:45:09,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132
[2023-11-19 07:45:09,137 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 22 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:45:09,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 152 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:45:09,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states.
[2023-11-19 07:45:09,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79.
[2023-11-19 07:45:09,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 75 states have (on average 1.0666666666666667) internal successors, (80), 76 states have internal predecessors, (80), 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 07:45:09,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 82 transitions.
[2023-11-19 07:45:09,146 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 82 transitions. Word has length 74
[2023-11-19 07:45:09,146 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:45:09,146 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 82 transitions.
[2023-11-19 07:45:09,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.285714285714286) internal successors, (86), 8 states have internal predecessors, (86), 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 07:45:09,147 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 82 transitions.
[2023-11-19 07:45:09,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77
[2023-11-19 07:45:09,148 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:45:09,148 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:45:09,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0
[2023-11-19 07:45:09,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:45:09,365 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2023-11-19 07:45:09,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:45:09,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1303751296, now seen corresponding path program 2 times
[2023-11-19 07:45:09,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:45:09,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610974340]
[2023-11-19 07:45:09,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:45:09,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:45:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:09,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2023-11-19 07:45:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:09,604 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked.
[2023-11-19 07:45:09,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:45:09,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610974340]
[2023-11-19 07:45:09,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610974340] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:45:09,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205965160]
[2023-11-19 07:45:09,605 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-19 07:45:09,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:45:09,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:45:09,607 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:45:09,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2023-11-19 07:45:10,077 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-11-19 07:45:10,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-19 07:45:10,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-11-19 07:45:10,085 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:45:10,198 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked.
[2023-11-19 07:45:10,198 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:45:10,297 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked.
[2023-11-19 07:45:10,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205965160] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:45:10,298 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 07:45:10,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14
[2023-11-19 07:45:10,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709812072]
[2023-11-19 07:45:10,299 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:45:10,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2023-11-19 07:45:10,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:45:10,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2023-11-19 07:45:10,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182
[2023-11-19 07:45:10,301 INFO L87 Difference]: Start difference. First operand 79 states and 82 transitions. Second operand has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 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 07:45:10,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:45:10,740 INFO L93 Difference]: Finished difference Result 136 states and 153 transitions.
[2023-11-19 07:45:10,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states.
[2023-11-19 07:45:10,741 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 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 76
[2023-11-19 07:45:10,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:45:10,742 INFO L225 Difference]: With dead ends: 136
[2023-11-19 07:45:10,742 INFO L226 Difference]: Without dead ends: 114
[2023-11-19 07:45:10,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=330, Invalid=792, Unknown=0, NotChecked=0, Total=1122
[2023-11-19 07:45:10,744 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 10 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-19 07:45:10,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 82 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-19 07:45:10,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states.
[2023-11-19 07:45:10,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114.
[2023-11-19 07:45:10,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 111 states have (on average 1.0360360360360361) internal successors, (115), 111 states have internal predecessors, (115), 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 07:45:10,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 117 transitions.
[2023-11-19 07:45:10,760 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 117 transitions. Word has length 76
[2023-11-19 07:45:10,760 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:45:10,760 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 117 transitions.
[2023-11-19 07:45:10,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 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 07:45:10,761 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 117 transitions.
[2023-11-19 07:45:10,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114
[2023-11-19 07:45:10,762 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:45:10,762 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 10, 10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:45:10,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0
[2023-11-19 07:45:10,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:45:10,977 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2023-11-19 07:45:10,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:45:10,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1929709464, now seen corresponding path program 1 times
[2023-11-19 07:45:10,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:45:10,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606674065]
[2023-11-19 07:45:10,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:45:10,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:45:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:11,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2023-11-19 07:45:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:11,344 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked.
[2023-11-19 07:45:11,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:45:11,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606674065]
[2023-11-19 07:45:11,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606674065] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:45:11,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913749990]
[2023-11-19 07:45:11,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:45:11,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:45:11,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:45:11,350 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:45:11,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process
[2023-11-19 07:45:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:11,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:45:11,912 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:45:12,038 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked.
[2023-11-19 07:45:12,039 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:45:12,184 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked.
[2023-11-19 07:45:12,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913749990] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:45:12,185 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 07:45:12,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6
[2023-11-19 07:45:12,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380910811]
[2023-11-19 07:45:12,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:45:12,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-11-19 07:45:12,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:45:12,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-11-19 07:45:12,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:45:12,188 INFO L87 Difference]: Start difference. First operand 114 states and 117 transitions. Second operand has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 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 07:45:12,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:45:12,273 INFO L93 Difference]: Finished difference Result 220 states and 228 transitions.
[2023-11-19 07:45:12,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:45:12,274 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 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 113
[2023-11-19 07:45:12,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:45:12,276 INFO L225 Difference]: With dead ends: 220
[2023-11-19 07:45:12,276 INFO L226 Difference]: Without dead ends: 219
[2023-11-19 07:45:12,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:45:12,279 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:45:12,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:45:12,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states.
[2023-11-19 07:45:12,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219.
[2023-11-19 07:45:12,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 216 states have (on average 1.0324074074074074) internal successors, (223), 216 states have internal predecessors, (223), 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 07:45:12,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 225 transitions.
[2023-11-19 07:45:12,305 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 225 transitions. Word has length 113
[2023-11-19 07:45:12,306 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:45:12,306 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 225 transitions.
[2023-11-19 07:45:12,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 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 07:45:12,306 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 225 transitions.
[2023-11-19 07:45:12,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219
[2023-11-19 07:45:12,313 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:45:12,313 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 10, 10, 10, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:45:12,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0
[2023-11-19 07:45:12,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:45:12,538 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] ===
[2023-11-19 07:45:12,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:45:12,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1740194071, now seen corresponding path program 2 times
[2023-11-19 07:45:12,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:45:12,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626246407]
[2023-11-19 07:45:12,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:45:12,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:45:12,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:13,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2023-11-19 07:45:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:45:13,232 INFO L134 CoverageAnalysis]: Checked inductivity of 4120 backedges. 0 proven. 1296 refuted. 0 times theorem prover too weak. 2824 trivial. 0 not checked.
[2023-11-19 07:45:13,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:45:13,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626246407]
[2023-11-19 07:45:13,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626246407] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:45:13,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191645472]
[2023-11-19 07:45:13,233 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-19 07:45:13,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:45:13,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:45:13,234 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:45:13,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process
[2023-11-19 07:45:13,823 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2023-11-19 07:45:13,824 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-19 07:45:13,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:45:13,834 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:45:14,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4120 backedges. 0 proven. 1296 refuted. 0 times theorem prover too weak. 2824 trivial. 0 not checked.
[2023-11-19 07:45:14,179 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:45:14,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4120 backedges. 0 proven. 1296 refuted. 0 times theorem prover too weak. 2824 trivial. 0 not checked.
[2023-11-19 07:45:14,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191645472] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:45:14,503 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 07:45:14,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5
[2023-11-19 07:45:14,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248042511]
[2023-11-19 07:45:14,504 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:45:14,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:45:14,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:45:14,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:45:14,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:45:14,507 INFO L87 Difference]: Start difference. First operand 219 states and 225 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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 07:45:14,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:45:14,568 INFO L93 Difference]: Finished difference Result 219 states and 225 transitions.
[2023-11-19 07:45:14,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:45:14,569 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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 218
[2023-11-19 07:45:14,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:45:14,570 INFO L225 Difference]: With dead ends: 219
[2023-11-19 07:45:14,570 INFO L226 Difference]: Without dead ends: 0
[2023-11-19 07:45:14,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 435 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56
[2023-11-19 07:45:14,573 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 1 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:45:14,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 45 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:45:14,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-19 07:45:14,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-19 07:45:14,574 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 07:45:14,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-19 07:45:14,575 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 218
[2023-11-19 07:45:14,575 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:45:14,575 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 07:45:14,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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 07:45:14,576 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-19 07:45:14,576 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-19 07:45:14,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining)
[2023-11-19 07:45:14,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining)
[2023-11-19 07:45:14,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining)
[2023-11-19 07:45:14,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining)
[2023-11-19 07:45:14,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining)
[2023-11-19 07:45:14,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining)
[2023-11-19 07:45:14,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining)
[2023-11-19 07:45:14,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining)
[2023-11-19 07:45:14,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining)
[2023-11-19 07:45:14,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining)
[2023-11-19 07:45:14,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining)
[2023-11-19 07:45:14,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining)
[2023-11-19 07:45:14,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining)
[2023-11-19 07:45:14,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining)
[2023-11-19 07:45:14,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining)
[2023-11-19 07:45:14,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining)
[2023-11-19 07:45:14,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining)
[2023-11-19 07:45:14,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining)
[2023-11-19 07:45:14,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining)
[2023-11-19 07:45:14,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining)
[2023-11-19 07:45:14,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining)
[2023-11-19 07:45:14,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining)
[2023-11-19 07:45:14,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining)
[2023-11-19 07:45:14,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining)
[2023-11-19 07:45:14,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0
[2023-11-19 07:45:14,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:45:14,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-19 07:45:15,646 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1335) no Hoare annotation was computed.
[2023-11-19 07:45:15,646 INFO L899 garLoopResultBuilder]: For program point single_argv_returnLabel#1(lines 1165 1232) no Hoare annotation was computed.
[2023-11-19 07:45:15,646 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1347) no Hoare annotation was computed.
[2023-11-19 07:45:15,646 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1208) no Hoare annotation was computed.
[2023-11-19 07:45:15,646 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1202) no Hoare annotation was computed.
[2023-11-19 07:45:15,647 INFO L899 garLoopResultBuilder]: For program point L1225(lines 1225 1228) no Hoare annotation was computed.
[2023-11-19 07:45:15,647 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 1324 1353) no Hoare annotation was computed.
[2023-11-19 07:45:15,647 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1343) no Hoare annotation was computed.
[2023-11-19 07:45:15,647 INFO L899 garLoopResultBuilder]: For program point L1192(line 1192) no Hoare annotation was computed.
[2023-11-19 07:45:15,647 INFO L899 garLoopResultBuilder]: For program point L1192-1(line 1192) no Hoare annotation was computed.
[2023-11-19 07:45:15,647 INFO L899 garLoopResultBuilder]: For program point L1225-2(lines 1166 1232) no Hoare annotation was computed.
[2023-11-19 07:45:15,647 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1328) no Hoare annotation was computed.
[2023-11-19 07:45:15,647 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-11-19 07:45:15,647 INFO L899 garLoopResultBuilder]: For program point L1176(lines 1176 1188) no Hoare annotation was computed.
[2023-11-19 07:45:15,647 INFO L899 garLoopResultBuilder]: For program point L1176-2(lines 1173 1223) no Hoare annotation was computed.
[2023-11-19 07:45:15,648 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1206) no Hoare annotation was computed.
[2023-11-19 07:45:15,649 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1338) no Hoare annotation was computed.
[2023-11-19 07:45:15,649 INFO L899 garLoopResultBuilder]: For program point L1193(lines 1193 1211) no Hoare annotation was computed.
[2023-11-19 07:45:15,650 INFO L899 garLoopResultBuilder]: For program point L1193-1(lines 1193 1211) no Hoare annotation was computed.
[2023-11-19 07:45:15,650 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1328) no Hoare annotation was computed.
[2023-11-19 07:45:15,650 INFO L899 garLoopResultBuilder]: For program point L1185(lines 1176 1188) no Hoare annotation was computed.
[2023-11-19 07:45:15,651 INFO L895 garLoopResultBuilder]: At program point L1334(line 1334) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~argc~0#1| 2147483648)) (<= |ULTIMATE.start_main_~argc~0#1| 2147483647))
[2023-11-19 07:45:15,651 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1206) no Hoare annotation was computed.
[2023-11-19 07:45:15,651 INFO L899 garLoopResultBuilder]: For program point L1334-1(line 1334) no Hoare annotation was computed.
[2023-11-19 07:45:15,651 INFO L899 garLoopResultBuilder]: For program point L1202(line 1202) no Hoare annotation was computed.
[2023-11-19 07:45:15,651 INFO L899 garLoopResultBuilder]: For program point L1202-1(line 1202) no Hoare annotation was computed.
[2023-11-19 07:45:15,652 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1338) no Hoare annotation was computed.
[2023-11-19 07:45:15,652 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-19 07:45:15,652 INFO L899 garLoopResultBuilder]: For program point L1343-2(lines 1343 1344) no Hoare annotation was computed.
[2023-11-19 07:45:15,652 INFO L899 garLoopResultBuilder]: For program point L1343-3(line 1343) no Hoare annotation was computed.
[2023-11-19 07:45:15,654 INFO L895 garLoopResultBuilder]: At program point L1343-4(lines 1343 1344) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_main_~j~0#1|)) (.cse5 (= |ULTIMATE.start_main_~i~5#1| 0)) (.cse1 (<= 1 |ULTIMATE.start_main_~argc~0#1|)) (.cse6 (= |ULTIMATE.start_main_~j~0#1| 0)) (.cse2 (<= |ULTIMATE.start_main_~i~5#1| 2147483645)) (.cse3 (<= |ULTIMATE.start_main_~argc~0#1| 10000)) (.cse4 (<= 1 |ULTIMATE.start_main_~i~5#1|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse6 .cse3) (and .cse0 .cse1 .cse5 .cse3) (and .cse1 .cse6 .cse2 .cse3 .cse4)))
[2023-11-19 07:45:15,654 INFO L899 garLoopResultBuilder]: For program point L1343-5(lines 1343 1344) no Hoare annotation was computed.
[2023-11-19 07:45:15,654 INFO L899 garLoopResultBuilder]: For program point L1335(line 1335) no Hoare annotation was computed.
[2023-11-19 07:45:15,654 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1213) no Hoare annotation was computed.
[2023-11-19 07:45:15,655 INFO L899 garLoopResultBuilder]: For program point L1203(lines 1203 1207) no Hoare annotation was computed.
[2023-11-19 07:45:15,655 INFO L899 garLoopResultBuilder]: For program point L1236-2(lines 1236 1237) no Hoare annotation was computed.
[2023-11-19 07:45:15,655 INFO L899 garLoopResultBuilder]: For program point L1236-3(line 1236) no Hoare annotation was computed.
[2023-11-19 07:45:15,655 INFO L895 garLoopResultBuilder]: At program point L1236-4(lines 1236 1237) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_main_~argc~0#1|)) (.cse1 (<= |ULTIMATE.start_main_~argc~0#1| 10000))) (or (and .cse0 .cse1 (<= 1 |ULTIMATE.start_dirname_~i~0#1|)) (and (= |ULTIMATE.start_dirname_~i~0#1| 0) .cse0 .cse1)))
[2023-11-19 07:45:15,655 INFO L899 garLoopResultBuilder]: For program point L1236-5(lines 1236 1237) no Hoare annotation was computed.
[2023-11-19 07:45:15,656 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1192) no Hoare annotation was computed.
[2023-11-19 07:45:15,656 INFO L899 garLoopResultBuilder]: For program point L1195(lines 1195 1210) no Hoare annotation was computed.
[2023-11-19 07:45:15,656 INFO L899 garLoopResultBuilder]: For program point __main_returnLabel#1(lines 1148 1158) no Hoare annotation was computed.
[2023-11-19 07:45:15,657 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1213) no Hoare annotation was computed.
[2023-11-19 07:45:15,657 INFO L899 garLoopResultBuilder]: For program point L1336(line 1336) no Hoare annotation was computed.
[2023-11-19 07:45:15,657 INFO L899 garLoopResultBuilder]: For program point L1336-1(line 1336) no Hoare annotation was computed.
[2023-11-19 07:45:15,657 INFO L899 garLoopResultBuilder]: For program point L1328-2(lines 1328 1329) no Hoare annotation was computed.
[2023-11-19 07:45:15,657 INFO L899 garLoopResultBuilder]: For program point L1328-3(line 1328) no Hoare annotation was computed.
[2023-11-19 07:45:15,658 INFO L895 garLoopResultBuilder]: At program point L1328-4(lines 1328 1329) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~4#1| 0) (< 0 |ULTIMATE.start_main_~i~4#1|))
[2023-11-19 07:45:15,658 INFO L899 garLoopResultBuilder]: For program point L1229-1(lines 1229 1230) no Hoare annotation was computed.
[2023-11-19 07:45:15,658 INFO L899 garLoopResultBuilder]: For program point L1328-5(lines 1328 1329) no Hoare annotation was computed.
[2023-11-19 07:45:15,658 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1192) no Hoare annotation was computed.
[2023-11-19 07:45:15,658 INFO L899 garLoopResultBuilder]: For program point L1221(lines 1221 1222) no Hoare annotation was computed.
[2023-11-19 07:45:15,659 INFO L899 garLoopResultBuilder]: For program point dirname_returnLabel#1(lines 1233 1240) no Hoare annotation was computed.
[2023-11-19 07:45:15,659 INFO L899 garLoopResultBuilder]: For program point L1221-2(lines 1221 1222) no Hoare annotation was computed.
[2023-11-19 07:45:15,659 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-11-19 07:45:15,659 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1336) no Hoare annotation was computed.
[2023-11-19 07:45:15,659 INFO L899 garLoopResultBuilder]: For program point L1213(line 1213) no Hoare annotation was computed.
[2023-11-19 07:45:15,659 INFO L899 garLoopResultBuilder]: For program point L1213-1(line 1213) no Hoare annotation was computed.
[2023-11-19 07:45:15,660 INFO L899 garLoopResultBuilder]: For program point fflush_all_returnLabel#1(lines 1159 1164) no Hoare annotation was computed.
[2023-11-19 07:45:15,660 INFO L899 garLoopResultBuilder]: For program point L1205(lines 1205 1206) no Hoare annotation was computed.
[2023-11-19 07:45:15,660 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1223) no Hoare annotation was computed.
[2023-11-19 07:45:15,660 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1236) no Hoare annotation was computed.
[2023-11-19 07:45:15,660 INFO L899 garLoopResultBuilder]: For program point L1172-2(lines 1172 1223) no Hoare annotation was computed.
[2023-11-19 07:45:15,661 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1197) no Hoare annotation was computed.
[2023-11-19 07:45:15,661 INFO L899 garLoopResultBuilder]: For program point L1197(line 1197) no Hoare annotation was computed.
[2023-11-19 07:45:15,661 INFO L899 garLoopResultBuilder]: For program point L1197-1(line 1197) no Hoare annotation was computed.
[2023-11-19 07:45:15,661 INFO L899 garLoopResultBuilder]: For program point L1189-1(lines 1189 1219) no Hoare annotation was computed.
[2023-11-19 07:45:15,661 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-19 07:45:15,661 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1336) no Hoare annotation was computed.
[2023-11-19 07:45:15,662 INFO L899 garLoopResultBuilder]: For program point L1338-2(lines 1338 1345) no Hoare annotation was computed.
[2023-11-19 07:45:15,663 INFO L899 garLoopResultBuilder]: For program point L1338-3(line 1338) no Hoare annotation was computed.
[2023-11-19 07:45:15,668 INFO L895 garLoopResultBuilder]: At program point L1338-4(lines 1338 1345) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_main_~argc~0#1|)) (.cse1 (<= |ULTIMATE.start_main_~argc~0#1| 10000))) (or (and .cse0 (= |ULTIMATE.start_main_~i~5#1| 0) .cse1) (and .cse0 (<= |ULTIMATE.start_main_~i~5#1| 2147483646) .cse1 (<= 1 |ULTIMATE.start_main_~i~5#1|))))
[2023-11-19 07:45:15,668 INFO L899 garLoopResultBuilder]: For program point L1206(line 1206) no Hoare annotation was computed.
[2023-11-19 07:45:15,668 INFO L899 garLoopResultBuilder]: For program point L1338-5(lines 1338 1345) no Hoare annotation was computed.
[2023-11-19 07:45:15,668 INFO L899 garLoopResultBuilder]: For program point L1206-1(line 1206) no Hoare annotation was computed.
[2023-11-19 07:45:15,669 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1236) no Hoare annotation was computed.
[2023-11-19 07:45:15,669 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1197) no Hoare annotation was computed.
[2023-11-19 07:45:15,669 INFO L899 garLoopResultBuilder]: For program point L1198(lines 1198 1209) no Hoare annotation was computed.
[2023-11-19 07:45:15,670 INFO L899 garLoopResultBuilder]: For program point L1347-2(lines 1347 1348) no Hoare annotation was computed.
[2023-11-19 07:45:15,670 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1347) no Hoare annotation was computed.
[2023-11-19 07:45:15,670 INFO L899 garLoopResultBuilder]: For program point L1347-3(line 1347) no Hoare annotation was computed.
[2023-11-19 07:45:15,670 INFO L895 garLoopResultBuilder]: At program point L1347-4(lines 1347 1348) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~i~6#1| 2147483646) (<= 1 |ULTIMATE.start_main_~argc~0#1|) (<= |ULTIMATE.start_main_~argc~0#1| 10000) (<= 0 |ULTIMATE.start_main_~i~6#1|))
[2023-11-19 07:45:15,670 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1335) no Hoare annotation was computed.
[2023-11-19 07:45:15,671 INFO L899 garLoopResultBuilder]: For program point L1347-5(lines 1347 1348) no Hoare annotation was computed.
[2023-11-19 07:45:15,671 INFO L899 garLoopResultBuilder]: For program point L1141(lines 1141 1144) no Hoare annotation was computed.
[2023-11-19 07:45:15,671 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1202) no Hoare annotation was computed.
[2023-11-19 07:45:15,671 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1343) no Hoare annotation was computed.
[2023-11-19 07:45:15,671 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8 10) the Hoare annotation is: true
[2023-11-19 07:45:15,672 INFO L899 garLoopResultBuilder]: For program point L9(line 9) no Hoare annotation was computed.
[2023-11-19 07:45:15,672 INFO L899 garLoopResultBuilder]: For program point L9-2(lines 8 10) no Hoare annotation was computed.
[2023-11-19 07:45:15,672 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 8 10) no Hoare annotation was computed.
[2023-11-19 07:45:15,677 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:45:15,680 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:45:15,697 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~argc~0
[2023-11-19 07:45:15,698 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~argc~0
[2023-11-19 07:45:15,698 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~argc~0
[2023-11-19 07:45:15,698 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~argc~0
[2023-11-19 07:45:15,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:45:15 BoogieIcfgContainer
[2023-11-19 07:45:15,710 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:45:15,710 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:45:15,711 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:45:15,711 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:45:15,711 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:58" (3/4) ...
[2023-11-19 07:45:15,714 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:45:15,718 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not
[2023-11-19 07:45:15,735 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges
[2023-11-19 07:45:15,736 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges
[2023-11-19 07:45:15,737 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2023-11-19 07:45:15,738 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-19 07:45:15,738 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:45:15,739 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:45:15,925 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:45:15,926 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:45:15,927 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:45:15,928 INFO L158 Benchmark]: Toolchain (without parser) took 19732.61ms. Allocated memory was 148.9MB in the beginning and 262.1MB in the end (delta: 113.2MB). Free memory was 115.9MB in the beginning and 120.3MB in the end (delta: -4.4MB). Peak memory consumption was 110.3MB. Max. memory is 16.1GB.
[2023-11-19 07:45:15,932 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 119.5MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:45:15,933 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1040.04ms. Allocated memory is still 148.9MB. Free memory was 115.9MB in the beginning and 73.4MB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
[2023-11-19 07:45:15,933 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.87ms. Allocated memory is still 148.9MB. Free memory was 73.4MB in the beginning and 70.2MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:45:15,934 INFO L158 Benchmark]: Boogie Preprocessor took 124.53ms. Allocated memory is still 148.9MB. Free memory was 70.2MB in the beginning and 116.7MB in the end (delta: -46.5MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB.
[2023-11-19 07:45:15,934 INFO L158 Benchmark]: RCFGBuilder took 888.00ms. Allocated memory is still 148.9MB. Free memory was 116.7MB in the beginning and 90.2MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2023-11-19 07:45:15,935 INFO L158 Benchmark]: TraceAbstraction took 17350.67ms. Allocated memory was 148.9MB in the beginning and 262.1MB in the end (delta: 113.2MB). Free memory was 89.5MB in the beginning and 128.7MB in the end (delta: -39.2MB). Peak memory consumption was 132.4MB. Max. memory is 16.1GB.
[2023-11-19 07:45:15,937 INFO L158 Benchmark]: Witness Printer took 216.28ms. Allocated memory is still 262.1MB. Free memory was 128.7MB in the beginning and 120.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2023-11-19 07:45:15,941 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.27ms. Allocated memory is still 119.5MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1040.04ms. Allocated memory is still 148.9MB. Free memory was 115.9MB in the beginning and 73.4MB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 105.87ms. Allocated memory is still 148.9MB. Free memory was 73.4MB in the beginning and 70.2MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 124.53ms. Allocated memory is still 148.9MB. Free memory was 70.2MB in the beginning and 116.7MB in the end (delta: -46.5MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 888.00ms. Allocated memory is still 148.9MB. Free memory was 116.7MB in the beginning and 90.2MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 17350.67ms. Allocated memory was 148.9MB in the beginning and 262.1MB in the end (delta: 113.2MB). Free memory was 89.5MB in the beginning and 128.7MB in the end (delta: -39.2MB). Peak memory consumption was 132.4MB. Max. memory is 16.1GB.
* Witness Printer took 216.28ms. Allocated memory is still 262.1MB. Free memory was 128.7MB in the beginning and 120.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: unknown boogie variable ~argc~0
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: unknown boogie variable ~argc~0
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: unknown boogie variable ~argc~0
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: unknown boogie variable ~argc~0
* 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: 1328]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1328]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1335]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1335]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1336]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1336]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1343]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1343]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1338]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1338]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1192]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1192]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1197]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1197]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1202]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1202]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1206]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1206]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1213]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1213]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1236]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1236]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1347]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1347]: 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 2 procedures, 91 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 17.3s, OverallIterations: 22, TraceHistogramMax: 50, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 255 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 253 mSDsluCounter, 3433 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2022 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 483 IncrementalHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 1411 mSDtfsCounter, 483 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1632 GetRequests, 1520 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=219occurred in iteration=21, InterpolantAutomatonStates: 122, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 22 MinimizatonAttempts, 16 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 10 PreInvPairs, 89 NumberOfFragments, 134 HoareAnnotationTreeSize, 10 FomulaSimplifications, 1290 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 572 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 2042 NumberOfCodeBlocks, 1785 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 2647 ConstructedInterpolants, 0 QuantifiedInterpolants, 4693 SizeOfPredicates, 5 NumberOfNonLiveVariables, 5807 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 44 InterpolantComputations, 14 PerfectInterpolantSequences, 13514/18572 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
24 specifications checked. All of them hold
- InvariantResult [Line: 1347]: Loop Invariant
Derived loop invariant: ((((i <= 2147483646) && (1 <= argc)) && (argc <= 10000)) && (0 <= i))
- InvariantResult [Line: 1328]: Loop Invariant
Derived loop invariant: ((i == 0) || (0 < i))
- InvariantResult [Line: 1236]: Loop Invariant
Derived loop invariant: ((1 <= i) || (i == 0))
- InvariantResult [Line: 1343]: Loop Invariant
Derived loop invariant: ((((((((1 <= j) && (1 <= argc)) && (i <= 2147483645)) && (argc <= 10000)) && (1 <= i)) || ((((1 <= argc) && (i == 0)) && (j == 0)) && (argc <= 10000))) || ((((1 <= j) && (1 <= argc)) && (i == 0)) && (argc <= 10000))) || (((((1 <= argc) && (j == 0)) && (i <= 2147483645)) && (argc <= 10000)) && (1 <= i)))
- InvariantResult [Line: 1338]: Loop Invariant
Derived loop invariant: ((((1 <= argc) && (i == 0)) && (argc <= 10000)) || ((((1 <= argc) && (i <= 2147483646)) && (argc <= 10000)) && (1 <= i)))
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:45:15,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a884ef6-f00c-426d-80c7-34b70dd00c56/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