./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca-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_3e585f7b-5749-4f9e-9045-0d9593add37b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/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_3e585f7b-5749-4f9e-9045-0d9593add37b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/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_3e585f7b-5749-4f9e-9045-0d9593add37b/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 fa78fde783b634840a8dd117d9f71a3fa4064d7e1622444edf74e6b44f549a34
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:55:30,578 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:55:30,668 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2023-11-19 07:55:30,675 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:55:30,676 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:55:30,713 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:55:30,717 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:55:30,718 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:55:30,719 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:55:30,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:55:30,727 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:55:30,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:55:30,728 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:55:30,730 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:55:30,731 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:55:30,732 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:55:30,732 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:55:30,733 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:55:30,733 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:55:30,734 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:55:30,734 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:55:30,735 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:55:30,736 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true
[2023-11-19 07:55:30,736 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:55:30,737 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:55:30,737 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:55:30,739 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:55:30,740 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:55:30,741 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:55:30,742 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:55:30,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:55:30,744 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:55:30,744 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:55:30,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:55:30,745 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:55:30,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:55:30,745 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:55:30,746 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:55:30,746 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:55:30,746 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:55:30,747 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:55:30,747 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_3e585f7b-5749-4f9e-9045-0d9593add37b/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa78fde783b634840a8dd117d9f71a3fa4064d7e1622444edf74e6b44f549a34
[2023-11-19 07:55:31,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:55:31,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:55:31,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:55:31,228 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:55:31,229 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:55:31,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i
[2023-11-19 07:55:35,138 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:55:35,450 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:55:35,451 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i
[2023-11-19 07:55:35,496 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/bin/uautomizer-verify-uCwYo4JHxu/data/5a94f11ac/d8a476964ced4e2e9bad011f3d192237/FLAG0ee7923af
[2023-11-19 07:55:35,528 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/bin/uautomizer-verify-uCwYo4JHxu/data/5a94f11ac/d8a476964ced4e2e9bad011f3d192237
[2023-11-19 07:55:35,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:55:35,544 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:55:35,546 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:55:35,548 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:55:35,564 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:55:35,565 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:35" (1/1) ...
[2023-11-19 07:55:35,567 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31f5318f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:35, skipping insertion in model container
[2023-11-19 07:55:35,567 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:35" (1/1) ...
[2023-11-19 07:55:35,636 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:55:35,978 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:55:35,994 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:55:36,073 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:55:36,109 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:55:36,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:36 WrapperNode
[2023-11-19 07:55:36,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:55:36,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:55:36,111 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:55:36,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:55:36,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:36" (1/1) ...
[2023-11-19 07:55:36,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:36" (1/1) ...
[2023-11-19 07:55:36,186 INFO L138 Inliner]: procedures = 117, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77
[2023-11-19 07:55:36,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:55:36,187 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:55:36,188 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:55:36,188 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:55:36,200 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:36" (1/1) ...
[2023-11-19 07:55:36,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:36" (1/1) ...
[2023-11-19 07:55:36,209 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:36" (1/1) ...
[2023-11-19 07:55:36,209 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:36" (1/1) ...
[2023-11-19 07:55:36,233 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:36" (1/1) ...
[2023-11-19 07:55:36,238 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:36" (1/1) ...
[2023-11-19 07:55:36,240 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:36" (1/1) ...
[2023-11-19 07:55:36,242 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:36" (1/1) ...
[2023-11-19 07:55:36,245 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:55:36,246 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:55:36,247 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:55:36,247 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:55:36,248 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:36" (1/1) ...
[2023-11-19 07:55:36,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:55:36,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:55:36,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:55:36,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:55:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2023-11-19 07:55:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 07:55:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:55:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:55:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:55:36,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:55:36,492 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:55:36,495 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:55:36,725 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:55:36,734 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:55:36,734 INFO L302 CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-19 07:55:36,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:36 BoogieIcfgContainer
[2023-11-19 07:55:36,738 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:55:36,741 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:55:36,741 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:55:36,744 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:55:36,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:55:35" (1/3) ...
[2023-11-19 07:55:36,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@640519b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:55:36, skipping insertion in model container
[2023-11-19 07:55:36,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:36" (2/3) ...
[2023-11-19 07:55:36,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@640519b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:55:36, skipping insertion in model container
[2023-11-19 07:55:36,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:36" (3/3) ...
[2023-11-19 07:55:36,748 INFO L112 eAbstractionObserver]: Analyzing ICFG cstrcpy-alloca-1.i
[2023-11-19 07:55:36,766 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:55:36,766 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2023-11-19 07:55:36,818 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:55:36,826 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;@2aec9247, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:55:36,827 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2023-11-19 07:55:36,832 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 20 states have (on average 1.65) internal successors, (33), 26 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:55:36,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-19 07:55:36,838 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:55:36,839 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-11-19 07:55:36,840 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-19 07:55:36,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:36,845 INFO L85 PathProgramCache]: Analyzing trace with hash 889510861, now seen corresponding path program 1 times
[2023-11-19 07:55:36,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:55:36,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231515694]
[2023-11-19 07:55:36,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:36,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:55:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:37,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:55:37,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:55:37,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231515694]
[2023-11-19 07:55:37,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231515694] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:55:37,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:55:37,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:55:37,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307088571]
[2023-11-19 07:55:37,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:55:37,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:55:37,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:55:37,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:55:37,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:55:37,328 INFO L87 Difference]: Start difference. First operand has 27 states, 20 states have (on average 1.65) internal successors, (33), 26 states have internal predecessors, (33), 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) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:55:37,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:55:37,427 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions.
[2023-11-19 07:55:37,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:55:37,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6
[2023-11-19 07:55:37,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:55:37,441 INFO L225 Difference]: With dead ends: 38
[2023-11-19 07:55:37,442 INFO L226 Difference]: Without dead ends: 18
[2023-11-19 07:55:37,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:55:37,452 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 20 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:55:37,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 23 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:55:37,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states.
[2023-11-19 07:55:37,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18.
[2023-11-19 07:55:37,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 17 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:55:37,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions.
[2023-11-19 07:55:37,501 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 6
[2023-11-19 07:55:37,501 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:55:37,501 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions.
[2023-11-19 07:55:37,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:55:37,502 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions.
[2023-11-19 07:55:37,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2023-11-19 07:55:37,503 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:55:37,503 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:55:37,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:55:37,505 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-19 07:55:37,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:37,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1805032971, now seen corresponding path program 1 times
[2023-11-19 07:55:37,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:55:37,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083198230]
[2023-11-19 07:55:37,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:37,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:55:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:37,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:55:37,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:55:37,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083198230]
[2023-11-19 07:55:37,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083198230] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:55:37,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:55:37,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:55:37,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882386288]
[2023-11-19 07:55:37,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:55:37,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:55:37,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:55:37,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:55:37,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:55:37,628 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:55:37,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:55:37,690 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions.
[2023-11-19 07:55:37,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:55:37,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2023-11-19 07:55:37,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:55:37,693 INFO L225 Difference]: With dead ends: 32
[2023-11-19 07:55:37,693 INFO L226 Difference]: Without dead ends: 27
[2023-11-19 07:55:37,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:55:37,699 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 10 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:55:37,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 23 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:55:37,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states.
[2023-11-19 07:55:37,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25.
[2023-11-19 07:55:37,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 21 states have (on average 1.380952380952381) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:55:37,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions.
[2023-11-19 07:55:37,708 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 7
[2023-11-19 07:55:37,708 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:55:37,711 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions.
[2023-11-19 07:55:37,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:55:37,712 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions.
[2023-11-19 07:55:37,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2023-11-19 07:55:37,712 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:55:37,713 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:55:37,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:55:37,714 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-19 07:55:37,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:37,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1805092553, now seen corresponding path program 1 times
[2023-11-19 07:55:37,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:55:37,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009604390]
[2023-11-19 07:55:37,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:37,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:55:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:37,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:55:37,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:55:37,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009604390]
[2023-11-19 07:55:37,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009604390] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:55:37,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:55:37,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:55:37,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713177948]
[2023-11-19 07:55:37,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:55:37,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:55:37,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:55:37,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:55:37,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:55:37,873 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:55:37,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:55:37,895 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions.
[2023-11-19 07:55:37,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:55:37,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2023-11-19 07:55:37,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:55:37,897 INFO L225 Difference]: With dead ends: 25
[2023-11-19 07:55:37,897 INFO L226 Difference]: Without dead ends: 20
[2023-11-19 07:55:37,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:55:37,900 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 11 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:55:37,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 11 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:55:37,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states.
[2023-11-19 07:55:37,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13.
[2023-11-19 07:55:37,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:55:37,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions.
[2023-11-19 07:55:37,907 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 7
[2023-11-19 07:55:37,907 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:55:37,907 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions.
[2023-11-19 07:55:37,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:55:37,908 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions.
[2023-11-19 07:55:37,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2023-11-19 07:55:37,908 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:55:37,909 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:55:37,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:55:37,909 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-19 07:55:37,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:37,910 INFO L85 PathProgramCache]: Analyzing trace with hash 746753780, now seen corresponding path program 1 times
[2023-11-19 07:55:37,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:55:37,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975819806]
[2023-11-19 07:55:37,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:37,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:55:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:38,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:55:38,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:55:38,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975819806]
[2023-11-19 07:55:38,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975819806] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:55:38,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:55:38,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:55:38,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882914791]
[2023-11-19 07:55:38,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:55:38,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:55:38,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:55:38,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:55:38,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:55:38,045 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:55:38,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:55:38,070 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions.
[2023-11-19 07:55:38,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:55:38,071 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 10
[2023-11-19 07:55:38,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:55:38,072 INFO L225 Difference]: With dead ends: 25
[2023-11-19 07:55:38,073 INFO L226 Difference]: Without dead ends: 13
[2023-11-19 07:55:38,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:55:38,075 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:55:38,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:55:38,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states.
[2023-11-19 07:55:38,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13.
[2023-11-19 07:55:38,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:55:38,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions.
[2023-11-19 07:55:38,081 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 10
[2023-11-19 07:55:38,081 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:55:38,082 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions.
[2023-11-19 07:55:38,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:55:38,082 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions.
[2023-11-19 07:55:38,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2023-11-19 07:55:38,083 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:55:38,083 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:55:38,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:55:38,084 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-19 07:55:38,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:38,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1773206154, now seen corresponding path program 1 times
[2023-11-19 07:55:38,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:55:38,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263963574]
[2023-11-19 07:55:38,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:38,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:55:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:38,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:55:38,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:55:38,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263963574]
[2023-11-19 07:55:38,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263963574] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:55:38,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:55:38,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:55:38,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776036497]
[2023-11-19 07:55:38,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:55:38,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:55:38,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:55:38,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:55:38,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:55:38,246 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:55:38,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:55:38,302 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions.
[2023-11-19 07:55:38,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:55:38,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 10
[2023-11-19 07:55:38,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:55:38,306 INFO L225 Difference]: With dead ends: 21
[2023-11-19 07:55:38,306 INFO L226 Difference]: Without dead ends: 19
[2023-11-19 07:55:38,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:55:38,308 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 3 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:55:38,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 26 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:55:38,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2023-11-19 07:55:38,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19.
[2023-11-19 07:55:38,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:55:38,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions.
[2023-11-19 07:55:38,318 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 10
[2023-11-19 07:55:38,319 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:55:38,319 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions.
[2023-11-19 07:55:38,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:55:38,319 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions.
[2023-11-19 07:55:38,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2023-11-19 07:55:38,321 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:55:38,321 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:55:38,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 07:55:38,322 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-19 07:55:38,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:38,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1245799056, now seen corresponding path program 1 times
[2023-11-19 07:55:38,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:55:38,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080614876]
[2023-11-19 07:55:38,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:38,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:55:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:38,485 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-19 07:55:38,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:55:38,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080614876]
[2023-11-19 07:55:38,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080614876] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:55:38,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:55:38,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:55:38,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409332716]
[2023-11-19 07:55:38,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:55:38,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:55:38,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:55:38,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:55:38,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:55:38,489 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:55:38,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:55:38,523 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions.
[2023-11-19 07:55:38,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:55:38,523 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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 16
[2023-11-19 07:55:38,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:55:38,524 INFO L225 Difference]: With dead ends: 35
[2023-11-19 07:55:38,524 INFO L226 Difference]: Without dead ends: 19
[2023-11-19 07:55:38,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:55:38,526 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 3 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:55:38,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 27 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:55:38,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2023-11-19 07:55:38,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19.
[2023-11-19 07:55:38,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 18 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:55:38,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions.
[2023-11-19 07:55:38,531 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 16
[2023-11-19 07:55:38,532 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:55:38,532 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions.
[2023-11-19 07:55:38,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:55:38,532 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions.
[2023-11-19 07:55:38,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2023-11-19 07:55:38,533 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:55:38,533 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:55:38,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-19 07:55:38,534 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-19 07:55:38,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:38,534 INFO L85 PathProgramCache]: Analyzing trace with hash 2038050990, now seen corresponding path program 1 times
[2023-11-19 07:55:38,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:55:38,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2874777]
[2023-11-19 07:55:38,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:38,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:55:38,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:38,686 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:55:38,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:55:38,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2874777]
[2023-11-19 07:55:38,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2874777] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:55:38,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440634309]
[2023-11-19 07:55:38,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:38,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:55:38,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:55:38,690 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:55:38,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-19 07:55:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:38,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-19 07:55:38,796 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:55:38,890 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:55:38,890 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:55:38,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440634309] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:55:38,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:55:38,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2023-11-19 07:55:38,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488014776]
[2023-11-19 07:55:38,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:55:38,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:55:38,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:55:38,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:55:38,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2023-11-19 07:55:38,897 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:55:38,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:55:38,953 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions.
[2023-11-19 07:55:38,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:55:38,954 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 16
[2023-11-19 07:55:38,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:55:38,955 INFO L225 Difference]: With dead ends: 19
[2023-11-19 07:55:38,955 INFO L226 Difference]: Without dead ends: 18
[2023-11-19 07:55:38,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90
[2023-11-19 07:55:38,960 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 8 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:55:38,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 30 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:55:38,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states.
[2023-11-19 07:55:38,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18.
[2023-11-19 07:55:38,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:55:38,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions.
[2023-11-19 07:55:38,973 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 16
[2023-11-19 07:55:38,974 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:55:38,974 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions.
[2023-11-19 07:55:38,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:55:38,974 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions.
[2023-11-19 07:55:38,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-11-19 07:55:38,975 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:55:38,975 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:55:38,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-19 07:55:39,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:55:39,183 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-19 07:55:39,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:39,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1244928683, now seen corresponding path program 1 times
[2023-11-19 07:55:39,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:55:39,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405083021]
[2023-11-19 07:55:39,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:39,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:55:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:39,263 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:55:39,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:55:39,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405083021]
[2023-11-19 07:55:39,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405083021] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:55:39,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863019903]
[2023-11-19 07:55:39,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:39,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:55:39,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:55:39,265 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:55:39,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-19 07:55:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:39,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-19 07:55:39,361 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:55:39,423 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:55:39,424 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:55:39,481 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:55:39,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863019903] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:55:39,481 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 07:55:39,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11
[2023-11-19 07:55:39,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566804959]
[2023-11-19 07:55:39,482 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:55:39,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2023-11-19 07:55:39,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:55:39,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2023-11-19 07:55:39,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2023-11-19 07:55:39,484 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:55:39,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:55:39,582 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions.
[2023-11-19 07:55:39,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2023-11-19 07:55:39,583 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 states have internal predecessors, (37), 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 17
[2023-11-19 07:55:39,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:55:39,583 INFO L225 Difference]: With dead ends: 37
[2023-11-19 07:55:39,584 INFO L226 Difference]: Without dead ends: 36
[2023-11-19 07:55:39,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240
[2023-11-19 07:55:39,585 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 12 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:55:39,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 49 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:55:39,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states.
[2023-11-19 07:55:39,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36.
[2023-11-19 07:55:39,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.0285714285714285) internal successors, (36), 35 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:55:39,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions.
[2023-11-19 07:55:39,592 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 17
[2023-11-19 07:55:39,592 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:55:39,593 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions.
[2023-11-19 07:55:39,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:55:39,593 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions.
[2023-11-19 07:55:39,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2023-11-19 07:55:39,594 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:55:39,594 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:55:39,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-11-19 07:55:39,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:55:39,805 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-19 07:55:39,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:39,806 INFO L85 PathProgramCache]: Analyzing trace with hash -436866137, now seen corresponding path program 2 times
[2023-11-19 07:55:39,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:55:39,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641550333]
[2023-11-19 07:55:39,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:39,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:55:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:40,108 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:55:40,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:55:40,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641550333]
[2023-11-19 07:55:40,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641550333] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:55:40,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463811469]
[2023-11-19 07:55:40,110 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-19 07:55:40,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:55:40,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:55:40,118 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:55:40,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-19 07:55:40,199 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2023-11-19 07:55:40,199 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-19 07:55:40,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-19 07:55:40,203 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:55:40,343 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2023-11-19 07:55:40,343 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:55:40,448 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2023-11-19 07:55:40,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463811469] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:55:40,449 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 07:55:40,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 17
[2023-11-19 07:55:40,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259783518]
[2023-11-19 07:55:40,449 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:55:40,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2023-11-19 07:55:40,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:55:40,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2023-11-19 07:55:40,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306
[2023-11-19 07:55:40,456 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand has 18 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 18 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:55:40,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:55:40,749 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions.
[2023-11-19 07:55:40,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2023-11-19 07:55:40,750 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 18 states have internal predecessors, (63), 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 35
[2023-11-19 07:55:40,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:55:40,751 INFO L225 Difference]: With dead ends: 45
[2023-11-19 07:55:40,751 INFO L226 Difference]: Without dead ends: 0
[2023-11-19 07:55:40,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=273, Invalid=657, Unknown=0, NotChecked=0, Total=930
[2023-11-19 07:55:40,753 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 24 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:55:40,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 17 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:55:40,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-19 07:55:40,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-19 07:55:40,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:55:40,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-19 07:55:40,756 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35
[2023-11-19 07:55:40,756 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:55:40,756 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 07:55:40,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 18 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:55:40,756 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-19 07:55:40,757 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-19 07:55:40,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining)
[2023-11-19 07:55:40,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining)
[2023-11-19 07:55:40,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining)
[2023-11-19 07:55:40,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining)
[2023-11-19 07:55:40,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining)
[2023-11-19 07:55:40,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining)
[2023-11-19 07:55:40,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-11-19 07:55:40,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:55:40,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-19 07:55:41,091 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 535) no Hoare annotation was computed.
[2023-11-19 07:55:41,091 INFO L899 garLoopResultBuilder]: For program point L535-1(line 535) no Hoare annotation was computed.
[2023-11-19 07:55:41,091 INFO L899 garLoopResultBuilder]: For program point L535-2(lines 535 538) no Hoare annotation was computed.
[2023-11-19 07:55:41,091 INFO L899 garLoopResultBuilder]: For program point L535-4(lines 535 538) no Hoare annotation was computed.
[2023-11-19 07:55:41,092 INFO L899 garLoopResultBuilder]: For program point L535-5(line 535) no Hoare annotation was computed.
[2023-11-19 07:55:41,092 INFO L899 garLoopResultBuilder]: For program point L535-6(line 535) no Hoare annotation was computed.
[2023-11-19 07:55:41,092 INFO L895 garLoopResultBuilder]: At program point L535-7(lines 535 538) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_main_~length2~0#1|)) (.cse1 (<= |ULTIMATE.start_main_~length2~0#1| 2147483647))) (or (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483646) .cse0 .cse1) (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse0 .cse1)))
[2023-11-19 07:55:41,093 INFO L899 garLoopResultBuilder]: For program point L535-8(lines 535 538) no Hoare annotation was computed.
[2023-11-19 07:55:41,093 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 522 543) no Hoare annotation was computed.
[2023-11-19 07:55:41,093 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-11-19 07:55:41,094 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 535) no Hoare annotation was computed.
[2023-11-19 07:55:41,094 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 540) no Hoare annotation was computed.
[2023-11-19 07:55:41,094 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-11-19 07:55:41,094 INFO L899 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed.
[2023-11-19 07:55:41,094 INFO L899 garLoopResultBuilder]: For program point L540-1(line 540) no Hoare annotation was computed.
[2023-11-19 07:55:41,095 INFO L899 garLoopResultBuilder]: For program point L528-1(lines 522 543) no Hoare annotation was computed.
[2023-11-19 07:55:41,095 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 535) no Hoare annotation was computed.
[2023-11-19 07:55:41,095 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-19 07:55:41,095 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 540) no Hoare annotation was computed.
[2023-11-19 07:55:41,095 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 527) no Hoare annotation was computed.
[2023-11-19 07:55:41,095 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 522 543) no Hoare annotation was computed.
[2023-11-19 07:55:41,096 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-19 07:55:41,096 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 535) no Hoare annotation was computed.
[2023-11-19 07:55:41,096 INFO L899 garLoopResultBuilder]: For program point cstrcpy_returnLabel#1(lines 514 521) no Hoare annotation was computed.
[2023-11-19 07:55:41,096 INFO L899 garLoopResultBuilder]: For program point L518-1(lines 518 519) no Hoare annotation was computed.
[2023-11-19 07:55:41,096 INFO L895 garLoopResultBuilder]: At program point L518-3(lines 518 519) the Hoare annotation is: (<= 1 |ULTIMATE.start_main_~length2~0#1|)
[2023-11-19 07:55:41,097 INFO L899 garLoopResultBuilder]: For program point L518-4(lines 518 519) no Hoare annotation was computed.
[2023-11-19 07:55:41,100 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:55:41,102 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:55:41,118 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~length2~0
[2023-11-19 07:55:41,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:55:41 BoogieIcfgContainer
[2023-11-19 07:55:41,120 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:55:41,121 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:55:41,121 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:55:41,121 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:55:41,122 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:36" (3/4) ...
[2023-11-19 07:55:41,127 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:55:41,138 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges
[2023-11-19 07:55:41,139 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2023-11-19 07:55:41,139 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2023-11-19 07:55:41,139 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:55:41,251 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:55:41,255 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:55:41,255 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:55:41,256 INFO L158 Benchmark]: Toolchain (without parser) took 5711.76ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 122.9MB in the beginning and 85.2MB in the end (delta: 37.7MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB.
[2023-11-19 07:55:41,256 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:55:41,257 INFO L158 Benchmark]: CACSL2BoogieTranslator took 564.03ms. Allocated memory is still 151.0MB. Free memory was 122.9MB in the beginning and 106.7MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2023-11-19 07:55:41,257 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.66ms. Allocated memory is still 151.0MB. Free memory was 106.7MB in the beginning and 104.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:55:41,257 INFO L158 Benchmark]: Boogie Preprocessor took 58.02ms. Allocated memory is still 151.0MB. Free memory was 104.6MB in the beginning and 103.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:55:41,258 INFO L158 Benchmark]: RCFGBuilder took 491.45ms. Allocated memory is still 151.0MB. Free memory was 103.2MB in the beginning and 89.9MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-19 07:55:41,259 INFO L158 Benchmark]: TraceAbstraction took 4379.11ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 89.3MB in the beginning and 90.4MB in the end (delta: -1.1MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB.
[2023-11-19 07:55:41,260 INFO L158 Benchmark]: Witness Printer took 134.53ms. Allocated memory is still 182.5MB. Free memory was 90.4MB in the beginning and 85.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:55:41,262 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 564.03ms. Allocated memory is still 151.0MB. Free memory was 122.9MB in the beginning and 106.7MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 75.66ms. Allocated memory is still 151.0MB. Free memory was 106.7MB in the beginning and 104.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 58.02ms. Allocated memory is still 151.0MB. Free memory was 104.6MB in the beginning and 103.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 491.45ms. Allocated memory is still 151.0MB. Free memory was 103.2MB in the beginning and 89.9MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 4379.11ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 89.3MB in the beginning and 90.4MB in the end (delta: -1.1MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB.
* Witness Printer took 134.53ms. Allocated memory is still 182.5MB. Free memory was 90.4MB in the beginning and 85.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: unknown boogie variable ~length2~0
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 535]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 535]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 535]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 535]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 540]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 540]: 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 1 procedures, 27 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 9, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 91 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 91 mSDsluCounter, 226 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 130 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 220 IncrementalHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 96 mSDtfsCounter, 220 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 176 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=8, InterpolantAutomatonStates: 53, 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, 9 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 12 NumberOfFragments, 27 HoareAnnotationTreeSize, 2 FomulaSimplifications, 153 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 79 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 192 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 610 SizeOfPredicates, 7 NumberOfNonLiveVariables, 200 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 14 InterpolantComputations, 7 PerfectInterpolantSequences, 106/213 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
6 specifications checked. All of them hold
- InvariantResult [Line: 535]: Loop Invariant
Derived loop invariant: (((((1 <= i) && (i <= 2147483646)) && (1 <= length2)) && (length2 <= 2147483647)) || (((i == 0) && (1 <= length2)) && (length2 <= 2147483647)))
- InvariantResult [Line: 518]: Loop Invariant
Derived loop invariant: null
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:55:41,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e585f7b-5749-4f9e-9045-0d9593add37b/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