./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/memsafety-ext2/length_test03-1.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/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_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/memsafety-ext2/length_test03-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/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 32bit --witnessprinter.graph.data.programhash 6e9221de91e231efa38b63f264828813e89f68c8ac306a629b3513c0e7bf1ed0
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 08:02:12,203 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 08:02:12,331 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2023-11-19 08:02:12,339 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 08:02:12,340 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 08:02:12,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 08:02:12,382 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 08:02:12,383 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 08:02:12,384 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 08:02:12,391 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 08:02:12,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 08:02:12,394 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 08:02:12,394 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 08:02:12,395 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 08:02:12,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 08:02:12,396 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 08:02:12,397 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 08:02:12,397 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 08:02:12,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 08:02:12,397 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 08:02:12,398 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 08:02:12,399 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 08:02:12,399 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true
[2023-11-19 08:02:12,399 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 08:02:12,402 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 08:02:12,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 08:02:12,403 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 08:02:12,403 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 08:02:12,404 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 08:02:12,404 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 08:02:12,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:02:12,406 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 08:02:12,407 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 08:02:12,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 08:02:12,407 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 08:02:12,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 08:02:12,409 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 08:02:12,409 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 08:02:12,409 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 08:02:12,410 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 08:02:12,410 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 08:02:12,410 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_f5e5551f-bd5c-4f4c-b643-e837d18e0561/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e9221de91e231efa38b63f264828813e89f68c8ac306a629b3513c0e7bf1ed0
[2023-11-19 08:02:12,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 08:02:12,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 08:02:12,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 08:02:12,723 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 08:02:12,724 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 08:02:12,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/memsafety-ext2/length_test03-1.i
[2023-11-19 08:02:15,918 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 08:02:16,239 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 08:02:16,244 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/sv-benchmarks/c/memsafety-ext2/length_test03-1.i
[2023-11-19 08:02:16,270 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/data/9c78ae4f7/9ba46330bc424ff4b759f778548fd118/FLAGf5c6a89cc
[2023-11-19 08:02:16,285 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/data/9c78ae4f7/9ba46330bc424ff4b759f778548fd118
[2023-11-19 08:02:16,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 08:02:16,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 08:02:16,291 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 08:02:16,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 08:02:16,297 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 08:02:16,298 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:16" (1/1) ...
[2023-11-19 08:02:16,299 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dbe47b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:16, skipping insertion in model container
[2023-11-19 08:02:16,299 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:16" (1/1) ...
[2023-11-19 08:02:16,365 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 08:02:16,773 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:02:16,784 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 08:02:16,823 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:02:16,855 INFO L206 MainTranslator]: Completed translation
[2023-11-19 08:02:16,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:16 WrapperNode
[2023-11-19 08:02:16,856 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 08:02:16,857 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 08:02:16,858 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 08:02:16,858 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 08:02:16,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:16" (1/1) ...
[2023-11-19 08:02:16,880 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:16" (1/1) ...
[2023-11-19 08:02:16,908 INFO L138 Inliner]: procedures = 123, calls = 38, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 94
[2023-11-19 08:02:16,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 08:02:16,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 08:02:16,909 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 08:02:16,910 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 08:02:16,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:16" (1/1) ...
[2023-11-19 08:02:16,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:16" (1/1) ...
[2023-11-19 08:02:16,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:16" (1/1) ...
[2023-11-19 08:02:16,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:16" (1/1) ...
[2023-11-19 08:02:16,952 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:16" (1/1) ...
[2023-11-19 08:02:16,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:16" (1/1) ...
[2023-11-19 08:02:16,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:16" (1/1) ...
[2023-11-19 08:02:16,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:16" (1/1) ...
[2023-11-19 08:02:16,977 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 08:02:16,979 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 08:02:16,981 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 08:02:16,981 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 08:02:16,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:16" (1/1) ...
[2023-11-19 08:02:16,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:02:17,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:02:17,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 08:02:17,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 08:02:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 08:02:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-11-19 08:02:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 08:02:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2023-11-19 08:02:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2023-11-19 08:02:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 08:02:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 08:02:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 08:02:17,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 08:02:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure append
[2023-11-19 08:02:17,071 INFO L138 BoogieDeclarations]: Found implementation of procedure append
[2023-11-19 08:02:17,196 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 08:02:17,199 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 08:02:17,661 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 08:02:17,674 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 08:02:17,674 INFO L302 CfgBuilder]: Removed 4 assume(true) statements.
[2023-11-19 08:02:17,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:17 BoogieIcfgContainer
[2023-11-19 08:02:17,681 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 08:02:17,684 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 08:02:17,684 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 08:02:17,688 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 08:02:17,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:02:16" (1/3) ...
[2023-11-19 08:02:17,689 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18db0116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:17, skipping insertion in model container
[2023-11-19 08:02:17,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:16" (2/3) ...
[2023-11-19 08:02:17,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18db0116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:17, skipping insertion in model container
[2023-11-19 08:02:17,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:17" (3/3) ...
[2023-11-19 08:02:17,692 INFO L112 eAbstractionObserver]: Analyzing ICFG length_test03-1.i
[2023-11-19 08:02:17,712 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 08:02:17,712 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2023-11-19 08:02:17,770 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 08:02:17,779 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;@562d14c7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 08:02:17,779 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2023-11-19 08:02:17,783 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 25 states have (on average 1.56) internal successors, (39), 29 states have internal predecessors, (39), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 08:02:17,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2023-11-19 08:02:17,791 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:02:17,793 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:02:17,793 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 08:02:17,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:02:17,801 INFO L85 PathProgramCache]: Analyzing trace with hash 847858611, now seen corresponding path program 1 times
[2023-11-19 08:02:17,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:02:17,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220756571]
[2023-11-19 08:02:17,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:17,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:02:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:18,052 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 08:02:18,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:02:18,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220756571]
[2023-11-19 08:02:18,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220756571] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:02:18,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:02:18,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:02:18,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890951081]
[2023-11-19 08:02:18,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:02:18,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 08:02:18,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:02:18,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 08:02:18,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 08:02:18,092 INFO L87 Difference]: Start difference. First operand has 33 states, 25 states have (on average 1.56) internal successors, (39), 29 states have internal predecessors, (39), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 08:02:18,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:02:18,116 INFO L93 Difference]: Finished difference Result 59 states and 76 transitions.
[2023-11-19 08:02:18,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 08:02:18,119 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2023-11-19 08:02:18,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:02:18,126 INFO L225 Difference]: With dead ends: 59
[2023-11-19 08:02:18,127 INFO L226 Difference]: Without dead ends: 29
[2023-11-19 08:02:18,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 08:02:18,137 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 08:02:18,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:02:18,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states.
[2023-11-19 08:02:18,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29.
[2023-11-19 08:02:18,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 25 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 08:02:18,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions.
[2023-11-19 08:02:18,175 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 35 transitions. Word has length 11
[2023-11-19 08:02:18,176 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:02:18,176 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 35 transitions.
[2023-11-19 08:02:18,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 08:02:18,177 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions.
[2023-11-19 08:02:18,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2023-11-19 08:02:18,178 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:02:18,179 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:02:18,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 08:02:18,179 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 08:02:18,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:02:18,180 INFO L85 PathProgramCache]: Analyzing trace with hash 441184418, now seen corresponding path program 1 times
[2023-11-19 08:02:18,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:02:18,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818491036]
[2023-11-19 08:02:18,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:18,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:02:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:18,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-19 08:02:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:18,501 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 08:02:18,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:02:18,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818491036]
[2023-11-19 08:02:18,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818491036] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:02:18,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:02:18,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 08:02:18,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156090386]
[2023-11-19 08:02:18,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:02:18,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 08:02:18,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:02:18,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 08:02:18,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 08:02:18,506 INFO L87 Difference]: Start difference. First operand 29 states and 35 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 08:02:18,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:02:18,600 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions.
[2023-11-19 08:02:18,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 08:02:18,602 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20
[2023-11-19 08:02:18,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:02:18,605 INFO L225 Difference]: With dead ends: 51
[2023-11-19 08:02:18,605 INFO L226 Difference]: Without dead ends: 42
[2023-11-19 08:02:18,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 08:02:18,612 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 10 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 08:02:18,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 74 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 08:02:18,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states.
[2023-11-19 08:02:18,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 30.
[2023-11-19 08:02:18,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 23 states have (on average 1.391304347826087) internal successors, (32), 26 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 08:02:18,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions.
[2023-11-19 08:02:18,628 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 20
[2023-11-19 08:02:18,628 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:02:18,629 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions.
[2023-11-19 08:02:18,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 08:02:18,629 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions.
[2023-11-19 08:02:18,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2023-11-19 08:02:18,630 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:02:18,631 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:02:18,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 08:02:18,631 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 08:02:18,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:02:18,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1227137551, now seen corresponding path program 1 times
[2023-11-19 08:02:18,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:02:18,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648954986]
[2023-11-19 08:02:18,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:18,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:02:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:18,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-19 08:02:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:18,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 08:02:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:18,969 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2023-11-19 08:02:18,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:02:18,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648954986]
[2023-11-19 08:02:18,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648954986] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:02:18,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:02:18,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 08:02:18,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027995110]
[2023-11-19 08:02:18,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:02:18,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 08:02:18,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:02:18,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 08:02:18,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 08:02:18,997 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 08:02:19,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:02:19,122 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions.
[2023-11-19 08:02:19,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 08:02:19,123 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22
[2023-11-19 08:02:19,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:02:19,124 INFO L225 Difference]: With dead ends: 42
[2023-11-19 08:02:19,124 INFO L226 Difference]: Without dead ends: 40
[2023-11-19 08:02:19,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-19 08:02:19,126 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 8 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 08:02:19,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 95 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 08:02:19,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states.
[2023-11-19 08:02:19,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 34.
[2023-11-19 08:02:19,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 29 states have internal predecessors, (35), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-11-19 08:02:19,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 41 transitions.
[2023-11-19 08:02:19,133 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 41 transitions. Word has length 22
[2023-11-19 08:02:19,133 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:02:19,133 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 41 transitions.
[2023-11-19 08:02:19,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 08:02:19,134 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions.
[2023-11-19 08:02:19,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2023-11-19 08:02:19,135 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:02:19,135 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:02:19,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 08:02:19,136 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 08:02:19,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:02:19,136 INFO L85 PathProgramCache]: Analyzing trace with hash -357734343, now seen corresponding path program 1 times
[2023-11-19 08:02:19,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:02:19,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034402130]
[2023-11-19 08:02:19,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:19,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:02:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:19,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-19 08:02:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:19,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 08:02:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:19,475 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2023-11-19 08:02:19,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:02:19,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034402130]
[2023-11-19 08:02:19,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034402130] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 08:02:19,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188075388]
[2023-11-19 08:02:19,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:19,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 08:02:19,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:02:19,481 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 08:02:19,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-19 08:02:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:19,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-19 08:02:19,712 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 08:02:19,790 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2023-11-19 08:02:19,790 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 08:02:19,843 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2023-11-19 08:02:19,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188075388] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 08:02:19,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 08:02:19,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11
[2023-11-19 08:02:19,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605192591]
[2023-11-19 08:02:19,844 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 08:02:19,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2023-11-19 08:02:19,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:02:19,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2023-11-19 08:02:19,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110
[2023-11-19 08:02:19,846 INFO L87 Difference]: Start difference. First operand 34 states and 41 transitions. Second operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 10 states have internal predecessors, (34), 4 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2023-11-19 08:02:19,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:02:19,999 INFO L93 Difference]: Finished difference Result 57 states and 68 transitions.
[2023-11-19 08:02:19,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2023-11-19 08:02:20,000 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 10 states have internal predecessors, (34), 4 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 30
[2023-11-19 08:02:20,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:02:20,001 INFO L225 Difference]: With dead ends: 57
[2023-11-19 08:02:20,001 INFO L226 Difference]: Without dead ends: 47
[2023-11-19 08:02:20,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210
[2023-11-19 08:02:20,003 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 45 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 08:02:20,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 109 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 08:02:20,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states.
[2023-11-19 08:02:20,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 40.
[2023-11-19 08:02:20,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 34 states have internal predecessors, (41), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2023-11-19 08:02:20,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions.
[2023-11-19 08:02:20,011 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 49 transitions. Word has length 30
[2023-11-19 08:02:20,011 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:02:20,012 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 49 transitions.
[2023-11-19 08:02:20,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 10 states have internal predecessors, (34), 4 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2023-11-19 08:02:20,012 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions.
[2023-11-19 08:02:20,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2023-11-19 08:02:20,013 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:02:20,013 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:02:20,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2023-11-19 08:02:20,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 08:02:20,228 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 08:02:20,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:02:20,228 INFO L85 PathProgramCache]: Analyzing trace with hash -188920888, now seen corresponding path program 1 times
[2023-11-19 08:02:20,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:02:20,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736972028]
[2023-11-19 08:02:20,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:20,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:02:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:20,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-19 08:02:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:20,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 08:02:20,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:20,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2023-11-19 08:02:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:20,625 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2023-11-19 08:02:20,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:02:20,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736972028]
[2023-11-19 08:02:20,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736972028] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 08:02:20,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693454747]
[2023-11-19 08:02:20,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:20,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 08:02:20,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:02:20,628 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 08:02:20,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-19 08:02:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:20,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-19 08:02:20,848 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 08:02:20,923 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2023-11-19 08:02:20,923 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 08:02:20,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693454747] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:02:20,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 08:02:20,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9
[2023-11-19 08:02:20,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682878749]
[2023-11-19 08:02:20,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:02:20,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 08:02:20,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:02:20,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 08:02:20,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90
[2023-11-19 08:02:20,928 INFO L87 Difference]: Start difference. First operand 40 states and 49 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2023-11-19 08:02:21,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:02:21,005 INFO L93 Difference]: Finished difference Result 46 states and 55 transitions.
[2023-11-19 08:02:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 08:02:21,005 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32
[2023-11-19 08:02:21,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:02:21,008 INFO L225 Difference]: With dead ends: 46
[2023-11-19 08:02:21,010 INFO L226 Difference]: Without dead ends: 45
[2023-11-19 08:02:21,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110
[2023-11-19 08:02:21,013 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 14 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 08:02:21,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 94 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:02:21,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states.
[2023-11-19 08:02:21,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 39.
[2023-11-19 08:02:21,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 33 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2023-11-19 08:02:21,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 47 transitions.
[2023-11-19 08:02:21,033 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 47 transitions. Word has length 32
[2023-11-19 08:02:21,036 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:02:21,037 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 47 transitions.
[2023-11-19 08:02:21,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2023-11-19 08:02:21,037 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions.
[2023-11-19 08:02:21,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2023-11-19 08:02:21,038 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:02:21,039 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:02:21,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-11-19 08:02:21,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 08:02:21,256 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 08:02:21,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:02:21,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1967783103, now seen corresponding path program 1 times
[2023-11-19 08:02:21,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:02:21,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600723801]
[2023-11-19 08:02:21,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:21,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:02:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:21,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-19 08:02:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:21,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 08:02:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:21,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2023-11-19 08:02:21,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:21,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2023-11-19 08:02:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:21,587 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked.
[2023-11-19 08:02:21,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:02:21,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600723801]
[2023-11-19 08:02:21,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600723801] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:02:21,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:02:21,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 08:02:21,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145502298]
[2023-11-19 08:02:21,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:02:21,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 08:02:21,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:02:21,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 08:02:21,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 08:02:21,591 INFO L87 Difference]: Start difference. First operand 39 states and 47 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2023-11-19 08:02:21,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:02:21,681 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions.
[2023-11-19 08:02:21,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 08:02:21,681 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 43
[2023-11-19 08:02:21,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:02:21,685 INFO L225 Difference]: With dead ends: 40
[2023-11-19 08:02:21,686 INFO L226 Difference]: Without dead ends: 39
[2023-11-19 08:02:21,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-19 08:02:21,690 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 7 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 08:02:21,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 84 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 08:02:21,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states.
[2023-11-19 08:02:21,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38.
[2023-11-19 08:02:21,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 32 states have internal predecessors, (38), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2023-11-19 08:02:21,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions.
[2023-11-19 08:02:21,703 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 43
[2023-11-19 08:02:21,705 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:02:21,705 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions.
[2023-11-19 08:02:21,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2023-11-19 08:02:21,706 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions.
[2023-11-19 08:02:21,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2023-11-19 08:02:21,710 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:02:21,711 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:02:21,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-19 08:02:21,711 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 08:02:21,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:02:21,713 INFO L85 PathProgramCache]: Analyzing trace with hash -167488217, now seen corresponding path program 2 times
[2023-11-19 08:02:21,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:02:21,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888110515]
[2023-11-19 08:02:21,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:21,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:02:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:21,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-19 08:02:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:21,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 08:02:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:21,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2023-11-19 08:02:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:21,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2023-11-19 08:02:21,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:22,003 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2023-11-19 08:02:22,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:02:22,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888110515]
[2023-11-19 08:02:22,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888110515] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:02:22,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:02:22,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 08:02:22,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241335990]
[2023-11-19 08:02:22,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:02:22,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 08:02:22,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:02:22,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 08:02:22,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 08:02:22,006 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 08:02:22,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:02:22,091 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions.
[2023-11-19 08:02:22,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 08:02:22,091 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 50
[2023-11-19 08:02:22,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:02:22,092 INFO L225 Difference]: With dead ends: 44
[2023-11-19 08:02:22,092 INFO L226 Difference]: Without dead ends: 42
[2023-11-19 08:02:22,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-19 08:02:22,094 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 6 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 08:02:22,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 87 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 08:02:22,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states.
[2023-11-19 08:02:22,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42.
[2023-11-19 08:02:22,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 35 states have (on average 1.2) internal successors, (42), 36 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2023-11-19 08:02:22,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions.
[2023-11-19 08:02:22,100 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 50
[2023-11-19 08:02:22,100 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:02:22,100 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions.
[2023-11-19 08:02:22,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 08:02:22,101 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions.
[2023-11-19 08:02:22,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55
[2023-11-19 08:02:22,102 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:02:22,102 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:02:22,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-19 08:02:22,102 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 08:02:22,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:02:22,103 INFO L85 PathProgramCache]: Analyzing trace with hash 69464675, now seen corresponding path program 1 times
[2023-11-19 08:02:22,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:02:22,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728554492]
[2023-11-19 08:02:22,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:22,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:02:22,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:22,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-19 08:02:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:22,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 08:02:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:22,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2023-11-19 08:02:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:22,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2023-11-19 08:02:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:22,539 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked.
[2023-11-19 08:02:22,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:02:22,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728554492]
[2023-11-19 08:02:22,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728554492] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 08:02:22,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583860492]
[2023-11-19 08:02:22,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:22,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 08:02:22,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:02:22,560 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 08:02:22,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-19 08:02:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:22,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 8 conjunts are in the unsatisfiable core
[2023-11-19 08:02:22,867 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 08:02:22,943 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked.
[2023-11-19 08:02:22,944 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 08:02:23,064 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked.
[2023-11-19 08:02:23,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583860492] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 08:02:23,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 08:02:23,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 14
[2023-11-19 08:02:23,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42643437]
[2023-11-19 08:02:23,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 08:02:23,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2023-11-19 08:02:23,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:02:23,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2023-11-19 08:02:23,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182
[2023-11-19 08:02:23,072 INFO L87 Difference]: Start difference. First operand 42 states and 50 transitions. Second operand has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 13 states have internal predecessors, (44), 6 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2023-11-19 08:02:23,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:02:23,271 INFO L93 Difference]: Finished difference Result 65 states and 78 transitions.
[2023-11-19 08:02:23,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2023-11-19 08:02:23,272 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 13 states have internal predecessors, (44), 6 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 54
[2023-11-19 08:02:23,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:02:23,275 INFO L225 Difference]: With dead ends: 65
[2023-11-19 08:02:23,275 INFO L226 Difference]: Without dead ends: 52
[2023-11-19 08:02:23,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 106 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306
[2023-11-19 08:02:23,277 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 27 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 08:02:23,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 130 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 08:02:23,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states.
[2023-11-19 08:02:23,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52.
[2023-11-19 08:02:23,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 43 states have (on average 1.1627906976744187) internal successors, (50), 44 states have internal predecessors, (50), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2023-11-19 08:02:23,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions.
[2023-11-19 08:02:23,295 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 54
[2023-11-19 08:02:23,296 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:02:23,296 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions.
[2023-11-19 08:02:23,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 13 states have internal predecessors, (44), 6 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2023-11-19 08:02:23,296 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions.
[2023-11-19 08:02:23,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75
[2023-11-19 08:02:23,299 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:02:23,299 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:02:23,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-11-19 08:02:23,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 08:02:23,522 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 08:02:23,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:02:23,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1499362641, now seen corresponding path program 2 times
[2023-11-19 08:02:23,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:02:23,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317822597]
[2023-11-19 08:02:23,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:23,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:02:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:23,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-19 08:02:23,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:23,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 08:02:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:23,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2023-11-19 08:02:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:23,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2023-11-19 08:02:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:23,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2023-11-19 08:02:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:23,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2023-11-19 08:02:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:23,973 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked.
[2023-11-19 08:02:23,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:02:23,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317822597]
[2023-11-19 08:02:23,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317822597] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 08:02:23,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893232588]
[2023-11-19 08:02:23,974 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-19 08:02:23,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 08:02:23,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:02:23,976 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 08:02:23,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-11-19 08:02:24,666 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-11-19 08:02:24,667 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-19 08:02:24,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-19 08:02:24,676 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 08:02:24,719 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked.
[2023-11-19 08:02:24,719 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 08:02:24,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893232588] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:02:24,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 08:02:24,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9
[2023-11-19 08:02:24,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315546723]
[2023-11-19 08:02:24,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:02:24,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 08:02:24,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:02:24,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 08:02:24,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90
[2023-11-19 08:02:24,722 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 08:02:24,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:02:24,777 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions.
[2023-11-19 08:02:24,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 08:02:24,777 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 74
[2023-11-19 08:02:24,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:02:24,779 INFO L225 Difference]: With dead ends: 52
[2023-11-19 08:02:24,779 INFO L226 Difference]: Without dead ends: 51
[2023-11-19 08:02:24,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110
[2023-11-19 08:02:24,782 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 11 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 08:02:24,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 90 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:02:24,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2023-11-19 08:02:24,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51.
[2023-11-19 08:02:24,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 43 states have (on average 1.1395348837209303) internal successors, (49), 43 states have internal predecessors, (49), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2023-11-19 08:02:24,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 61 transitions.
[2023-11-19 08:02:24,798 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 61 transitions. Word has length 74
[2023-11-19 08:02:24,798 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:02:24,798 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 61 transitions.
[2023-11-19 08:02:24,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 08:02:24,799 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions.
[2023-11-19 08:02:24,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2023-11-19 08:02:24,803 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:02:24,803 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:02:24,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2023-11-19 08:02:25,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 08:02:25,020 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 08:02:25,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:02:25,020 INFO L85 PathProgramCache]: Analyzing trace with hash -764398290, now seen corresponding path program 1 times
[2023-11-19 08:02:25,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:02:25,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453990535]
[2023-11-19 08:02:25,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:25,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:02:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:25,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-19 08:02:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:25,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 08:02:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:25,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2023-11-19 08:02:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:25,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2023-11-19 08:02:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:25,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2023-11-19 08:02:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:25,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2023-11-19 08:02:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:25,323 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked.
[2023-11-19 08:02:25,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:02:25,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453990535]
[2023-11-19 08:02:25,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453990535] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:02:25,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:02:25,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 08:02:25,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867152360]
[2023-11-19 08:02:25,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:02:25,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 08:02:25,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:02:25,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 08:02:25,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 08:02:25,325 INFO L87 Difference]: Start difference. First operand 51 states and 61 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 08:02:25,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:02:25,398 INFO L93 Difference]: Finished difference Result 51 states and 61 transitions.
[2023-11-19 08:02:25,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 08:02:25,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 75
[2023-11-19 08:02:25,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:02:25,399 INFO L225 Difference]: With dead ends: 51
[2023-11-19 08:02:25,400 INFO L226 Difference]: Without dead ends: 0
[2023-11-19 08:02:25,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-19 08:02:25,401 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 5 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 08:02:25,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 78 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 08:02:25,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-19 08:02:25,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-19 08:02:25,402 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 08:02:25,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-19 08:02:25,402 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 75
[2023-11-19 08:02:25,402 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:02:25,402 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 08:02:25,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 08:02:25,403 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-19 08:02:25,403 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-19 08:02:25,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2023-11-19 08:02:25,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2023-11-19 08:02:25,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2023-11-19 08:02:25,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2023-11-19 08:02:25,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2023-11-19 08:02:25,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-19 08:02:25,464 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 592) no Hoare annotation was computed.
[2023-11-19 08:02:25,464 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 565 603) no Hoare annotation was computed.
[2023-11-19 08:02:25,464 INFO L895 garLoopResultBuilder]: At program point L585-2(lines 585 589) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_main_~c~0#1| 2147483648))
[2023-11-19 08:02:25,465 INFO L899 garLoopResultBuilder]: For program point L585-3(lines 585 589) no Hoare annotation was computed.
[2023-11-19 08:02:25,465 INFO L895 garLoopResultBuilder]: At program point L581(line 581) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~c~0#1| 4) (<= 0 (+ |ULTIMATE.start_main_~c~0#1| 2147483648)))
[2023-11-19 08:02:25,465 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 579 582) no Hoare annotation was computed.
[2023-11-19 08:02:25,465 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-11-19 08:02:25,465 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 579) no Hoare annotation was computed.
[2023-11-19 08:02:25,465 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-11-19 08:02:25,466 INFO L899 garLoopResultBuilder]: For program point L573-1(lines 573 576) no Hoare annotation was computed.
[2023-11-19 08:02:25,466 INFO L899 garLoopResultBuilder]: For program point L573-2(lines 573 576) no Hoare annotation was computed.
[2023-11-19 08:02:25,466 INFO L902 garLoopResultBuilder]: At program point L573-4(lines 573 576) the Hoare annotation is: true
[2023-11-19 08:02:25,466 INFO L899 garLoopResultBuilder]: For program point L573-5(lines 573 576) no Hoare annotation was computed.
[2023-11-19 08:02:25,466 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 579) no Hoare annotation was computed.
[2023-11-19 08:02:25,466 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-19 08:02:25,466 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-19 08:02:25,467 INFO L899 garLoopResultBuilder]: For program point L579-2(line 579) no Hoare annotation was computed.
[2023-11-19 08:02:25,467 INFO L899 garLoopResultBuilder]: For program point L579-3(line 579) no Hoare annotation was computed.
[2023-11-19 08:02:25,467 INFO L902 garLoopResultBuilder]: At program point L575(line 575) the Hoare annotation is: true
[2023-11-19 08:02:25,467 INFO L895 garLoopResultBuilder]: At program point L579-4(lines 579 582) the Hoare annotation is: (< 0 (+ 2147483649 |ULTIMATE.start_main_~c~0#1|))
[2023-11-19 08:02:25,467 INFO L899 garLoopResultBuilder]: For program point L575-1(line 575) no Hoare annotation was computed.
[2023-11-19 08:02:25,467 INFO L899 garLoopResultBuilder]: For program point L579-5(lines 579 582) no Hoare annotation was computed.
[2023-11-19 08:02:25,467 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 592) no Hoare annotation was computed.
[2023-11-19 08:02:25,468 INFO L899 garLoopResultBuilder]: For program point L592-2(lines 592 596) no Hoare annotation was computed.
[2023-11-19 08:02:25,468 INFO L899 garLoopResultBuilder]: For program point L592-3(line 592) no Hoare annotation was computed.
[2023-11-19 08:02:25,468 INFO L899 garLoopResultBuilder]: For program point L592-4(line 592) no Hoare annotation was computed.
[2023-11-19 08:02:25,468 INFO L895 garLoopResultBuilder]: At program point L592-5(lines 592 596) the Hoare annotation is: (< 0 (+ 2147483649 |ULTIMATE.start_main_~c~0#1|))
[2023-11-19 08:02:25,468 INFO L899 garLoopResultBuilder]: For program point L592-6(lines 592 596) no Hoare annotation was computed.
[2023-11-19 08:02:25,468 INFO L899 garLoopResultBuilder]: For program point appendEXIT(lines 550 564) no Hoare annotation was computed.
[2023-11-19 08:02:25,471 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 550 564) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))
[2023-11-19 08:02:25,471 INFO L899 garLoopResultBuilder]: For program point L553(line 553) no Hoare annotation was computed.
[2023-11-19 08:02:25,472 INFO L899 garLoopResultBuilder]: For program point L553-2(lines 553 559) no Hoare annotation was computed.
[2023-11-19 08:02:25,472 INFO L899 garLoopResultBuilder]: For program point appendFINAL(lines 550 564) no Hoare annotation was computed.
[2023-11-19 08:02:25,475 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:02:25,478 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 08:02:25,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:02:25 BoogieIcfgContainer
[2023-11-19 08:02:25,492 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 08:02:25,498 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 08:02:25,499 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 08:02:25,499 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 08:02:25,499 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:17" (3/4) ...
[2023-11-19 08:02:25,501 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-19 08:02:25,505 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure append
[2023-11-19 08:02:25,509 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2023-11-19 08:02:25,510 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2023-11-19 08:02:25,510 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-19 08:02:25,511 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 08:02:25,613 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 08:02:25,615 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 08:02:25,615 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 08:02:25,616 INFO L158 Benchmark]: Toolchain (without parser) took 9326.54ms. Allocated memory was 192.9MB in the beginning and 243.3MB in the end (delta: 50.3MB). Free memory was 145.8MB in the beginning and 139.7MB in the end (delta: 6.1MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB.
[2023-11-19 08:02:25,616 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:02:25,616 INFO L158 Benchmark]: CACSL2BoogieTranslator took 565.86ms. Allocated memory is still 192.9MB. Free memory was 145.8MB in the beginning and 128.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2023-11-19 08:02:25,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.19ms. Allocated memory is still 192.9MB. Free memory was 128.4MB in the beginning and 126.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 08:02:25,617 INFO L158 Benchmark]: Boogie Preprocessor took 68.98ms. Allocated memory is still 192.9MB. Free memory was 126.7MB in the beginning and 124.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 08:02:25,618 INFO L158 Benchmark]: RCFGBuilder took 701.97ms. Allocated memory is still 192.9MB. Free memory was 124.8MB in the beginning and 154.8MB in the end (delta: -30.0MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB.
[2023-11-19 08:02:25,619 INFO L158 Benchmark]: TraceAbstraction took 7807.79ms. Allocated memory was 192.9MB in the beginning and 243.3MB in the end (delta: 50.3MB). Free memory was 153.8MB in the beginning and 144.9MB in the end (delta: 8.8MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB.
[2023-11-19 08:02:25,619 INFO L158 Benchmark]: Witness Printer took 116.58ms. Allocated memory is still 243.3MB. Free memory was 144.9MB in the beginning and 139.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2023-11-19 08:02:25,623 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 565.86ms. Allocated memory is still 192.9MB. Free memory was 145.8MB in the beginning and 128.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 51.19ms. Allocated memory is still 192.9MB. Free memory was 128.4MB in the beginning and 126.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 68.98ms. Allocated memory is still 192.9MB. Free memory was 126.7MB in the beginning and 124.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 701.97ms. Allocated memory is still 192.9MB. Free memory was 124.8MB in the beginning and 154.8MB in the end (delta: -30.0MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 7807.79ms. Allocated memory was 192.9MB in the beginning and 243.3MB in the end (delta: 50.3MB). Free memory was 153.8MB in the beginning and 144.9MB in the end (delta: 8.8MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB.
* Witness Printer took 116.58ms. Allocated memory is still 243.3MB. Free memory was 144.9MB in the beginning and 139.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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: 579]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 579]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 592]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 592]: 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, 33 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 7.7s, OverallIterations: 10, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 140 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 133 mSDsluCounter, 880 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 603 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 356 IncrementalHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 277 mSDtfsCounter, 356 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 389 GetRequests, 319 SyntacticMatches, 5 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=8, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 32 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 13 PreInvPairs, 27 NumberOfFragments, 42 HoareAnnotationTreeSize, 13 FomulaSimplifications, 92 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 31 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 601 NumberOfCodeBlocks, 601 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 669 ConstructedInterpolants, 0 QuantifiedInterpolants, 1379 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2076 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 16 InterpolantComputations, 8 PerfectInterpolantSequences, 643/707 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
4 specifications checked. All of them hold
- InvariantResult [Line: 573]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 592]: Loop Invariant
Derived loop invariant: (0 < (2147483649 + c))
- InvariantResult [Line: 579]: Loop Invariant
Derived loop invariant: (0 < (2147483649 + c))
- InvariantResult [Line: 585]: Loop Invariant
Derived loop invariant: (0 <= (c + 2147483648))
RESULT: Ultimate proved your program to be correct!
[2023-11-19 08:02:25,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e5551f-bd5c-4f4c-b643-e837d18e0561/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