./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-lit/hh2012-ex1b.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_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/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_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-lit/hh2012-ex1b.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/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_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/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 7ce79fe11836d82ec064e02fff135ad9866417774e7d276b3384b4d4dde863b5
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:55:56,058 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:55:56,162 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2023-11-19 07:55:56,167 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:55:56,168 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:55:56,193 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:55:56,194 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:55:56,194 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:55:56,195 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:55:56,196 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:55:56,197 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:55:56,197 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:55:56,198 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:55:56,198 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:55:56,199 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:55:56,200 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:55:56,200 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:55:56,201 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:55:56,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:55:56,202 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:55:56,202 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:55:56,208 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:55:56,208 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true
[2023-11-19 07:55:56,209 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:55:56,209 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:55:56,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:55:56,210 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:55:56,211 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:55:56,212 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:55:56,212 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:55:56,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:55:56,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:55:56,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:55:56,215 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:55:56,215 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:55:56,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:55:56,215 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:55:56,216 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:55:56,216 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:55:56,216 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:55:56,217 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:55:56,217 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_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ce79fe11836d82ec064e02fff135ad9866417774e7d276b3384b4d4dde863b5
[2023-11-19 07:55:56,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:55:56,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:55:56,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:55:56,552 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:55:56,553 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:55:56,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/loop-lit/hh2012-ex1b.i
[2023-11-19 07:55:59,552 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:55:59,786 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:55:59,787 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/sv-benchmarks/c/loop-lit/hh2012-ex1b.i
[2023-11-19 07:55:59,795 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/data/524457021/d09f5e6a42354ed4baac8dcea96a6a3e/FLAG2158c95a2
[2023-11-19 07:55:59,810 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/data/524457021/d09f5e6a42354ed4baac8dcea96a6a3e
[2023-11-19 07:55:59,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:55:59,814 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:55:59,816 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:55:59,816 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:55:59,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:55:59,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:59" (1/1) ...
[2023-11-19 07:55:59,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c0d64a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:59, skipping insertion in model container
[2023-11-19 07:55:59,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:59" (1/1) ...
[2023-11-19 07:55:59,846 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:56:00,006 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:56:00,017 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:56:00,033 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:56:00,048 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:56:00,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:00 WrapperNode
[2023-11-19 07:56:00,049 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:56:00,050 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:56:00,051 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:56:00,051 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:56:00,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:00" (1/1) ...
[2023-11-19 07:56:00,066 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:00" (1/1) ...
[2023-11-19 07:56:00,084 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43
[2023-11-19 07:56:00,085 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:56:00,085 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:56:00,086 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:56:00,086 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:56:00,095 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:00" (1/1) ...
[2023-11-19 07:56:00,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:00" (1/1) ...
[2023-11-19 07:56:00,096 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:00" (1/1) ...
[2023-11-19 07:56:00,097 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:00" (1/1) ...
[2023-11-19 07:56:00,100 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:00" (1/1) ...
[2023-11-19 07:56:00,103 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:00" (1/1) ...
[2023-11-19 07:56:00,104 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:00" (1/1) ...
[2023-11-19 07:56:00,105 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:00" (1/1) ...
[2023-11-19 07:56:00,107 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:56:00,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:56:00,108 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:56:00,108 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:56:00,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:00" (1/1) ...
[2023-11-19 07:56:00,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:56:00,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:56:00,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:56:00,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:56:00,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:56:00,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:56:00,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:56:00,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:56:00,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2023-11-19 07:56:00,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2023-11-19 07:56:00,259 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:56:00,262 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:56:00,400 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:56:00,408 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:56:00,409 INFO L302 CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-19 07:56:00,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:00 BoogieIcfgContainer
[2023-11-19 07:56:00,413 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:56:00,416 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:56:00,416 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:56:00,419 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:56:00,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:55:59" (1/3) ...
[2023-11-19 07:56:00,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d883860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:56:00, skipping insertion in model container
[2023-11-19 07:56:00,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:00" (2/3) ...
[2023-11-19 07:56:00,422 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d883860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:56:00, skipping insertion in model container
[2023-11-19 07:56:00,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:00" (3/3) ...
[2023-11-19 07:56:00,423 INFO L112 eAbstractionObserver]: Analyzing ICFG hh2012-ex1b.i
[2023-11-19 07:56:00,444 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:56:00,444 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2023-11-19 07:56:00,495 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:56:00,501 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;@74e603c8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:56:00,502 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2023-11-19 07:56:00,506 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 24 states have internal predecessors, (29), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2023-11-19 07:56:00,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2023-11-19 07:56:00,513 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:56:00,514 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2023-11-19 07:56:00,515 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 07:56:00,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:00,521 INFO L85 PathProgramCache]: Analyzing trace with hash 28699945, now seen corresponding path program 1 times
[2023-11-19 07:56:00,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:00,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800300023]
[2023-11-19 07:56:00,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:00,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:00,859 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 07:56:00,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:56:00,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800300023]
[2023-11-19 07:56:00,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800300023] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:00,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:56:00,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:56:00,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568216241]
[2023-11-19 07:56:00,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:00,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:56:00,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:56:00,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:56:00,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:56:00,901 INFO L87 Difference]: Start difference. First operand has 29 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 24 states have internal predecessors, (29), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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 07:56:00,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:00,976 INFO L93 Difference]: Finished difference Result 58 states and 82 transitions.
[2023-11-19 07:56:00,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:56:00,979 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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 5
[2023-11-19 07:56:00,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:00,986 INFO L225 Difference]: With dead ends: 58
[2023-11-19 07:56:00,987 INFO L226 Difference]: Without dead ends: 24
[2023-11-19 07:56:00,990 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 07:56:00,994 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 3 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:00,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 79 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:56:01,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states.
[2023-11-19 07:56:01,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24.
[2023-11-19 07:56:01,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 16 states have (on average 1.3125) internal successors, (21), 19 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-11-19 07:56:01,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions.
[2023-11-19 07:56:01,039 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 5
[2023-11-19 07:56:01,039 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:01,039 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions.
[2023-11-19 07:56:01,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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 07:56:01,040 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions.
[2023-11-19 07:56:01,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-11-19 07:56:01,043 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:56:01,043 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:01,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:56:01,045 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 07:56:01,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:01,046 INFO L85 PathProgramCache]: Analyzing trace with hash 129489441, now seen corresponding path program 1 times
[2023-11-19 07:56:01,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:01,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343174588]
[2023-11-19 07:56:01,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:01,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:01,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2023-11-19 07:56:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:01,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:56:01,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:56:01,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343174588]
[2023-11-19 07:56:01,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343174588] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:56:01,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046049028]
[2023-11-19 07:56:01,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:01,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:56:01,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:56:01,263 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:56:01,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-19 07:56:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:01,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-19 07:56:01,332 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:56:01,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:56:01,398 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:56:01,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046049028] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:01,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:56:01,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2023-11-19 07:56:01,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943175188]
[2023-11-19 07:56:01,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:01,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:56:01,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:56:01,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:56:01,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2023-11-19 07:56:01,403 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:56:01,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:01,447 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions.
[2023-11-19 07:56:01,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:56:01,448 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13
[2023-11-19 07:56:01,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:01,449 INFO L225 Difference]: With dead ends: 24
[2023-11-19 07:56:01,449 INFO L226 Difference]: Without dead ends: 23
[2023-11-19 07:56:01,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 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 07:56:01,451 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 14 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:01,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 49 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:56:01,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states.
[2023-11-19 07:56:01,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23.
[2023-11-19 07:56:01,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-11-19 07:56:01,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions.
[2023-11-19 07:56:01,458 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 13
[2023-11-19 07:56:01,459 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:01,460 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions.
[2023-11-19 07:56:01,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:56:01,460 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions.
[2023-11-19 07:56:01,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2023-11-19 07:56:01,461 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:56:01,461 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:01,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-19 07:56:01,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1
[2023-11-19 07:56:01,690 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 07:56:01,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:01,691 INFO L85 PathProgramCache]: Analyzing trace with hash -280794571, now seen corresponding path program 1 times
[2023-11-19 07:56:01,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:01,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782218542]
[2023-11-19 07:56:01,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:01,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:01,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2023-11-19 07:56:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:01,785 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-19 07:56:01,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:56:01,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782218542]
[2023-11-19 07:56:01,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782218542] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:01,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:56:01,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:56:01,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989022274]
[2023-11-19 07:56:01,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:01,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:56:01,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:56:01,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:56:01,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:56:01,800 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:56:01,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:01,816 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions.
[2023-11-19 07:56:01,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:56:01,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14
[2023-11-19 07:56:01,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:01,820 INFO L225 Difference]: With dead ends: 23
[2023-11-19 07:56:01,821 INFO L226 Difference]: Without dead ends: 22
[2023-11-19 07:56:01,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:56:01,822 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:01,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:56:01,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states.
[2023-11-19 07:56:01,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20.
[2023-11-19 07:56:01,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-11-19 07:56:01,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions.
[2023-11-19 07:56:01,833 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 14
[2023-11-19 07:56:01,833 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:01,833 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions.
[2023-11-19 07:56:01,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:56:01,834 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions.
[2023-11-19 07:56:01,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2023-11-19 07:56:01,835 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:56:01,835 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:01,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:56:01,836 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 07:56:01,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:01,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1705625761, now seen corresponding path program 1 times
[2023-11-19 07:56:01,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:01,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961687463]
[2023-11-19 07:56:01,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:01,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:01,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2023-11-19 07:56:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:01,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2023-11-19 07:56:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:01,976 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-11-19 07:56:01,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:56:01,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961687463]
[2023-11-19 07:56:01,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961687463] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:56:01,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251409034]
[2023-11-19 07:56:01,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:01,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:56:01,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:56:01,981 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:56:01,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-19 07:56:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:02,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-19 07:56:02,044 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:56:02,089 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:56:02,091 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:56:02,169 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-11-19 07:56:02,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251409034] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:56:02,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 07:56:02,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10
[2023-11-19 07:56:02,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690307982]
[2023-11-19 07:56:02,171 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:56:02,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-11-19 07:56:02,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:56:02,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-11-19 07:56:02,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2023-11-19 07:56:02,180 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4)
[2023-11-19 07:56:02,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:02,268 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions.
[2023-11-19 07:56:02,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2023-11-19 07:56:02,269 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 19
[2023-11-19 07:56:02,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:02,270 INFO L225 Difference]: With dead ends: 46
[2023-11-19 07:56:02,270 INFO L226 Difference]: Without dead ends: 28
[2023-11-19 07:56:02,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132
[2023-11-19 07:56:02,272 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 8 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:02,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 86 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:56:02,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states.
[2023-11-19 07:56:02,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28.
[2023-11-19 07:56:02,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2023-11-19 07:56:02,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions.
[2023-11-19 07:56:02,281 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 33 transitions. Word has length 19
[2023-11-19 07:56:02,281 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:02,281 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 33 transitions.
[2023-11-19 07:56:02,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4)
[2023-11-19 07:56:02,282 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions.
[2023-11-19 07:56:02,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2023-11-19 07:56:02,283 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:56:02,283 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:02,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-11-19 07:56:02,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:56:02,493 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 07:56:02,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:02,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1627588241, now seen corresponding path program 2 times
[2023-11-19 07:56:02,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:02,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156980488]
[2023-11-19 07:56:02,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:02,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:02,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2023-11-19 07:56:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:02,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 07:56:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:02,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2023-11-19 07:56:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:02,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2023-11-19 07:56:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:02,653 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked.
[2023-11-19 07:56:02,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:56:02,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156980488]
[2023-11-19 07:56:02,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156980488] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:02,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:56:02,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:56:02,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805304968]
[2023-11-19 07:56:02,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:02,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:56:02,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:56:02,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:56:02,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:56:02,659 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:56:02,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:02,687 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions.
[2023-11-19 07:56:02,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:56:02,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35
[2023-11-19 07:56:02,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:02,689 INFO L225 Difference]: With dead ends: 48
[2023-11-19 07:56:02,689 INFO L226 Difference]: Without dead ends: 46
[2023-11-19 07:56:02,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 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 07:56:02,701 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 3 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:02,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 51 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:56:02,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states.
[2023-11-19 07:56:02,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46.
[2023-11-19 07:56:02,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 34 states have (on average 1.1176470588235294) internal successors, (38), 35 states have internal predecessors, (38), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)
[2023-11-19 07:56:02,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions.
[2023-11-19 07:56:02,714 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 56 transitions. Word has length 35
[2023-11-19 07:56:02,714 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:02,714 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 56 transitions.
[2023-11-19 07:56:02,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:56:02,714 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions.
[2023-11-19 07:56:02,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2023-11-19 07:56:02,717 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:56:02,718 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:02,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 07:56:02,718 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 07:56:02,718 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:02,719 INFO L85 PathProgramCache]: Analyzing trace with hash -2037315562, now seen corresponding path program 1 times
[2023-11-19 07:56:02,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:02,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819228506]
[2023-11-19 07:56:02,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:02,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:02,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2023-11-19 07:56:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:02,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 07:56:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:02,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2023-11-19 07:56:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:02,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2023-11-19 07:56:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:02,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36
[2023-11-19 07:56:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:02,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46
[2023-11-19 07:56:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:02,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2023-11-19 07:56:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:02,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62
[2023-11-19 07:56:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:02,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68
[2023-11-19 07:56:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:02,921 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 44 proven. 15 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked.
[2023-11-19 07:56:02,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:56:02,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819228506]
[2023-11-19 07:56:02,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819228506] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:56:02,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083619008]
[2023-11-19 07:56:02,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:02,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:56:02,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:56:02,924 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:56:02,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-19 07:56:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:03,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 8 conjunts are in the unsatisfiable core
[2023-11-19 07:56:03,007 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:56:03,089 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 116 proven. 15 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked.
[2023-11-19 07:56:03,089 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:56:03,233 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 44 proven. 15 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked.
[2023-11-19 07:56:03,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083619008] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:56:03,233 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 07:56:03,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18
[2023-11-19 07:56:03,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559153240]
[2023-11-19 07:56:03,234 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:56:03,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2023-11-19 07:56:03,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:56:03,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2023-11-19 07:56:03,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306
[2023-11-19 07:56:03,236 INFO L87 Difference]: Start difference. First operand 46 states and 56 transitions. Second operand has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 18 states have internal predecessors, (44), 7 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12)
[2023-11-19 07:56:03,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:03,403 INFO L93 Difference]: Finished difference Result 108 states and 140 transitions.
[2023-11-19 07:56:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2023-11-19 07:56:03,403 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 18 states have internal predecessors, (44), 7 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) Word has length 75
[2023-11-19 07:56:03,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:03,408 INFO L225 Difference]: With dead ends: 108
[2023-11-19 07:56:03,408 INFO L226 Difference]: Without dead ends: 78
[2023-11-19 07:56:03,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552
[2023-11-19 07:56:03,416 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 30 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:03,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 103 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:56:03,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states.
[2023-11-19 07:56:03,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78.
[2023-11-19 07:56:03,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 58 states have (on average 1.0689655172413792) internal successors, (62), 59 states have internal predecessors, (62), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17)
[2023-11-19 07:56:03,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 96 transitions.
[2023-11-19 07:56:03,436 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 96 transitions. Word has length 75
[2023-11-19 07:56:03,437 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:03,437 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 96 transitions.
[2023-11-19 07:56:03,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 18 states have internal predecessors, (44), 7 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12)
[2023-11-19 07:56:03,437 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 96 transitions.
[2023-11-19 07:56:03,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2023-11-19 07:56:03,444 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:56:03,444 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:03,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-11-19 07:56:03,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:56:03,649 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 07:56:03,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:03,649 INFO L85 PathProgramCache]: Analyzing trace with hash 338856918, now seen corresponding path program 2 times
[2023-11-19 07:56:03,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:03,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033383952]
[2023-11-19 07:56:03,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:03,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:04,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2023-11-19 07:56:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:04,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 07:56:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:04,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2023-11-19 07:56:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:04,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30
[2023-11-19 07:56:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:04,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2023-11-19 07:56:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:04,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46
[2023-11-19 07:56:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:04,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2023-11-19 07:56:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:04,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2023-11-19 07:56:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:04,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68
[2023-11-19 07:56:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:04,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2023-11-19 07:56:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:04,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2023-11-19 07:56:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:04,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2023-11-19 07:56:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:04,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2023-11-19 07:56:04,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:04,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110
[2023-11-19 07:56:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:04,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118
[2023-11-19 07:56:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:04,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126
[2023-11-19 07:56:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:04,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2023-11-19 07:56:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:04,123 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 212 proven. 91 refuted. 0 times theorem prover too weak. 638 trivial. 0 not checked.
[2023-11-19 07:56:04,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:56:04,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033383952]
[2023-11-19 07:56:04,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033383952] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:56:04,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516761796]
[2023-11-19 07:56:04,124 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-19 07:56:04,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:56:04,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:56:04,137 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:56:04,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-11-19 07:56:04,236 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-11-19 07:56:04,236 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-19 07:56:04,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 16 conjunts are in the unsatisfiable core
[2023-11-19 07:56:04,255 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:56:04,336 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 492 proven. 91 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked.
[2023-11-19 07:56:04,337 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:56:04,697 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 212 proven. 91 refuted. 0 times theorem prover too weak. 638 trivial. 0 not checked.
[2023-11-19 07:56:04,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516761796] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:56:04,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 07:56:04,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34
[2023-11-19 07:56:04,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143309007]
[2023-11-19 07:56:04,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:56:04,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states
[2023-11-19 07:56:04,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:56:04,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants.
[2023-11-19 07:56:04,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122
[2023-11-19 07:56:04,704 INFO L87 Difference]: Start difference. First operand 78 states and 96 transitions. Second operand has 34 states, 34 states have (on average 2.0) internal successors, (68), 34 states have internal predecessors, (68), 15 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 15 states have call predecessors, (20), 15 states have call successors, (20)
[2023-11-19 07:56:05,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:05,069 INFO L93 Difference]: Finished difference Result 188 states and 248 transitions.
[2023-11-19 07:56:05,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states.
[2023-11-19 07:56:05,071 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.0) internal successors, (68), 34 states have internal predecessors, (68), 15 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 15 states have call predecessors, (20), 15 states have call successors, (20) Word has length 139
[2023-11-19 07:56:05,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:05,076 INFO L225 Difference]: With dead ends: 188
[2023-11-19 07:56:05,076 INFO L226 Difference]: Without dead ends: 142
[2023-11-19 07:56:05,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 479 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=659, Invalid=1597, Unknown=0, NotChecked=0, Total=2256
[2023-11-19 07:56:05,081 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 108 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:05,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 125 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:56:05,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states.
[2023-11-19 07:56:05,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142.
[2023-11-19 07:56:05,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 106 states have (on average 1.0377358490566038) internal successors, (110), 107 states have internal predecessors, (110), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33)
[2023-11-19 07:56:05,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 176 transitions.
[2023-11-19 07:56:05,130 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 176 transitions. Word has length 139
[2023-11-19 07:56:05,130 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:05,131 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 176 transitions.
[2023-11-19 07:56:05,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.0) internal successors, (68), 34 states have internal predecessors, (68), 15 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 15 states have call predecessors, (20), 15 states have call successors, (20)
[2023-11-19 07:56:05,131 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 176 transitions.
[2023-11-19 07:56:05,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268
[2023-11-19 07:56:05,136 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:56:05,137 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:05,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2023-11-19 07:56:05,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:56:05,357 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 07:56:05,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:05,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1492413610, now seen corresponding path program 3 times
[2023-11-19 07:56:05,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:05,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404089830]
[2023-11-19 07:56:05,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:05,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2023-11-19 07:56:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 07:56:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2023-11-19 07:56:06,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30
[2023-11-19 07:56:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2023-11-19 07:56:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46
[2023-11-19 07:56:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2023-11-19 07:56:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62
[2023-11-19 07:56:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70
[2023-11-19 07:56:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2023-11-19 07:56:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2023-11-19 07:56:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2023-11-19 07:56:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2023-11-19 07:56:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110
[2023-11-19 07:56:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118
[2023-11-19 07:56:06,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124
[2023-11-19 07:56:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2023-11-19 07:56:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142
[2023-11-19 07:56:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150
[2023-11-19 07:56:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158
[2023-11-19 07:56:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166
[2023-11-19 07:56:06,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174
[2023-11-19 07:56:06,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182
[2023-11-19 07:56:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190
[2023-11-19 07:56:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198
[2023-11-19 07:56:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206
[2023-11-19 07:56:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214
[2023-11-19 07:56:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222
[2023-11-19 07:56:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230
[2023-11-19 07:56:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238
[2023-11-19 07:56:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246
[2023-11-19 07:56:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254
[2023-11-19 07:56:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260
[2023-11-19 07:56:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,802 INFO L134 CoverageAnalysis]: Checked inductivity of 3917 backedges. 932 proven. 435 refuted. 0 times theorem prover too weak. 2550 trivial. 0 not checked.
[2023-11-19 07:56:06,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:56:06,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404089830]
[2023-11-19 07:56:06,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404089830] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:56:06,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036153498]
[2023-11-19 07:56:06,804 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2023-11-19 07:56:06,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:56:06,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:56:06,805 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:56:06,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2023-11-19 07:56:06,888 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2023-11-19 07:56:06,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-19 07:56:06,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-19 07:56:06,906 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:56:07,128 INFO L134 CoverageAnalysis]: Checked inductivity of 3917 backedges. 935 proven. 0 refuted. 0 times theorem prover too weak. 2982 trivial. 0 not checked.
[2023-11-19 07:56:07,129 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:56:07,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036153498] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:07,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:56:07,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [33] total 36
[2023-11-19 07:56:07,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378820703]
[2023-11-19 07:56:07,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:07,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:56:07,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:56:07,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:56:07,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=965, Unknown=0, NotChecked=0, Total=1260
[2023-11-19 07:56:07,134 INFO L87 Difference]: Start difference. First operand 142 states and 176 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2023-11-19 07:56:07,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:07,190 INFO L93 Difference]: Finished difference Result 142 states and 176 transitions.
[2023-11-19 07:56:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:56:07,191 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 267
[2023-11-19 07:56:07,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:07,196 INFO L225 Difference]: With dead ends: 142
[2023-11-19 07:56:07,197 INFO L226 Difference]: Without dead ends: 141
[2023-11-19 07:56:07,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=300, Invalid=1032, Unknown=0, NotChecked=0, Total=1332
[2023-11-19 07:56:07,199 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 5 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:07,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 53 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:56:07,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states.
[2023-11-19 07:56:07,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141.
[2023-11-19 07:56:07,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 106 states have (on average 1.028301886792453) internal successors, (109), 106 states have internal predecessors, (109), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33)
[2023-11-19 07:56:07,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 175 transitions.
[2023-11-19 07:56:07,231 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 175 transitions. Word has length 267
[2023-11-19 07:56:07,232 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:07,232 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 175 transitions.
[2023-11-19 07:56:07,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2023-11-19 07:56:07,233 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 175 transitions.
[2023-11-19 07:56:07,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269
[2023-11-19 07:56:07,237 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:56:07,237 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:07,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2023-11-19 07:56:07,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:56:07,459 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 07:56:07,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:07,459 INFO L85 PathProgramCache]: Analyzing trace with hash 979818410, now seen corresponding path program 1 times
[2023-11-19 07:56:07,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:07,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275316702]
[2023-11-19 07:56:07,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:07,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2023-11-19 07:56:07,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 07:56:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2023-11-19 07:56:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30
[2023-11-19 07:56:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2023-11-19 07:56:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46
[2023-11-19 07:56:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2023-11-19 07:56:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62
[2023-11-19 07:56:07,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70
[2023-11-19 07:56:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2023-11-19 07:56:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2023-11-19 07:56:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2023-11-19 07:56:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2023-11-19 07:56:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110
[2023-11-19 07:56:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118
[2023-11-19 07:56:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124
[2023-11-19 07:56:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2023-11-19 07:56:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142
[2023-11-19 07:56:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150
[2023-11-19 07:56:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158
[2023-11-19 07:56:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166
[2023-11-19 07:56:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174
[2023-11-19 07:56:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182
[2023-11-19 07:56:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190
[2023-11-19 07:56:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198
[2023-11-19 07:56:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206
[2023-11-19 07:56:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214
[2023-11-19 07:56:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222
[2023-11-19 07:56:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230
[2023-11-19 07:56:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238
[2023-11-19 07:56:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246
[2023-11-19 07:56:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254
[2023-11-19 07:56:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260
[2023-11-19 07:56:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:07,734 INFO L134 CoverageAnalysis]: Checked inductivity of 3918 backedges. 935 proven. 0 refuted. 0 times theorem prover too weak. 2983 trivial. 0 not checked.
[2023-11-19 07:56:07,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:56:07,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275316702]
[2023-11-19 07:56:07,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275316702] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:07,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:56:07,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:56:07,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045892195]
[2023-11-19 07:56:07,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:07,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:56:07,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:56:07,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:56:07,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:56:07,737 INFO L87 Difference]: Start difference. First operand 141 states and 175 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2023-11-19 07:56:07,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:07,764 INFO L93 Difference]: Finished difference Result 141 states and 175 transitions.
[2023-11-19 07:56:07,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:56:07,764 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 268
[2023-11-19 07:56:07,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:07,766 INFO L225 Difference]: With dead ends: 141
[2023-11-19 07:56:07,766 INFO L226 Difference]: Without dead ends: 0
[2023-11-19 07:56:07,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 67 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 07:56:07,768 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 2 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:07,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 40 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:56:07,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-19 07:56:07,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-19 07:56:07,769 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 07:56:07,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-19 07:56:07,769 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 268
[2023-11-19 07:56:07,770 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:07,770 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 07:56:07,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2023-11-19 07:56:07,770 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-19 07:56:07,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-19 07:56:07,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2023-11-19 07:56:07,774 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2023-11-19 07:56:07,774 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2023-11-19 07:56:07,774 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2023-11-19 07:56:07,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-11-19 07:56:07,776 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-19 07:56:08,330 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed.
[2023-11-19 07:56:08,330 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-19 07:56:08,330 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed.
[2023-11-19 07:56:08,330 INFO L899 garLoopResultBuilder]: For program point L23(line 23) no Hoare annotation was computed.
[2023-11-19 07:56:08,331 INFO L899 garLoopResultBuilder]: For program point L23-1(line 23) no Hoare annotation was computed.
[2023-11-19 07:56:08,331 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed.
[2023-11-19 07:56:08,331 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed.
[2023-11-19 07:56:08,331 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-19 07:56:08,331 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 14 28) no Hoare annotation was computed.
[2023-11-19 07:56:08,331 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-11-19 07:56:08,331 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed.
[2023-11-19 07:56:08,331 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed.
[2023-11-19 07:56:08,331 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-11-19 07:56:08,331 INFO L899 garLoopResultBuilder]: For program point L26(line 26) no Hoare annotation was computed.
[2023-11-19 07:56:08,332 INFO L895 garLoopResultBuilder]: At program point L24(line 24) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= 1 |ULTIMATE.start_main_~j~0#1|))
[2023-11-19 07:56:08,332 INFO L899 garLoopResultBuilder]: For program point L24-1(line 24) no Hoare annotation was computed.
[2023-11-19 07:56:08,333 INFO L899 garLoopResultBuilder]: For program point L22(line 22) no Hoare annotation was computed.
[2023-11-19 07:56:08,333 INFO L895 garLoopResultBuilder]: At program point L20(line 20) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= 1 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 99))
[2023-11-19 07:56:08,333 INFO L895 garLoopResultBuilder]: At program point L20-1(lines 18 21) the Hoare annotation is: (let ((.cse0 (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648))) (.cse1 (<= |ULTIMATE.start_main_~i~0#1| 99))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~j~0#1|) .cse1) (and .cse0 .cse1 (= |ULTIMATE.start_main_~j~0#1| 0))))
[2023-11-19 07:56:08,334 INFO L895 garLoopResultBuilder]: At program point L18-2(lines 18 21) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= 1 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 99))
[2023-11-19 07:56:08,334 INFO L895 garLoopResultBuilder]: At program point L16-2(lines 16 25) the Hoare annotation is: (< 0 (+ 2147483649 |ULTIMATE.start_main_~i~0#1|))
[2023-11-19 07:56:08,334 INFO L902 garLoopResultBuilder]: At program point L16-3(lines 16 25) the Hoare annotation is: true
[2023-11-19 07:56:08,334 INFO L899 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed.
[2023-11-19 07:56:08,334 INFO L899 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed.
[2023-11-19 07:56:08,334 INFO L899 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed.
[2023-11-19 07:56:08,335 INFO L899 garLoopResultBuilder]: For program point L12-2(line 12) no Hoare annotation was computed.
[2023-11-19 07:56:08,335 INFO L899 garLoopResultBuilder]: For program point L13-3(line 13) no Hoare annotation was computed.
[2023-11-19 07:56:08,335 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(line 13) no Hoare annotation was computed.
[2023-11-19 07:56:08,335 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 13) the Hoare annotation is: true
[2023-11-19 07:56:08,340 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1]
[2023-11-19 07:56:08,343 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:56:08,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:56:08 BoogieIcfgContainer
[2023-11-19 07:56:08,359 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:56:08,360 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:56:08,360 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:56:08,361 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:56:08,361 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:00" (3/4) ...
[2023-11-19 07:56:08,364 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:56:08,369 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert
[2023-11-19 07:56:08,374 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2023-11-19 07:56:08,374 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2023-11-19 07:56:08,374 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-19 07:56:08,374 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:56:08,472 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:56:08,473 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:56:08,473 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:56:08,474 INFO L158 Benchmark]: Toolchain (without parser) took 8659.73ms. Allocated memory was 123.7MB in the beginning and 178.3MB in the end (delta: 54.5MB). Free memory was 80.9MB in the beginning and 101.4MB in the end (delta: -20.5MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB.
[2023-11-19 07:56:08,474 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 123.7MB. Free memory is still 96.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:56:08,475 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.63ms. Allocated memory is still 123.7MB. Free memory was 80.5MB in the beginning and 70.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-19 07:56:08,475 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.52ms. Allocated memory is still 123.7MB. Free memory was 70.4MB in the beginning and 69.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:56:08,476 INFO L158 Benchmark]: Boogie Preprocessor took 21.56ms. Allocated memory is still 123.7MB. Free memory was 69.2MB in the beginning and 67.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:56:08,476 INFO L158 Benchmark]: RCFGBuilder took 305.04ms. Allocated memory is still 123.7MB. Free memory was 67.8MB in the beginning and 57.9MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-19 07:56:08,477 INFO L158 Benchmark]: TraceAbstraction took 7943.87ms. Allocated memory was 123.7MB in the beginning and 178.3MB in the end (delta: 54.5MB). Free memory was 57.4MB in the beginning and 105.6MB in the end (delta: -48.2MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB.
[2023-11-19 07:56:08,477 INFO L158 Benchmark]: Witness Printer took 113.35ms. Allocated memory is still 178.3MB. Free memory was 105.6MB in the beginning and 101.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:56:08,479 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.31ms. Allocated memory is still 123.7MB. Free memory is still 96.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 233.63ms. Allocated memory is still 123.7MB. Free memory was 80.5MB in the beginning and 70.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 34.52ms. Allocated memory is still 123.7MB. Free memory was 70.4MB in the beginning and 69.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 21.56ms. Allocated memory is still 123.7MB. Free memory was 69.2MB in the beginning and 67.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 305.04ms. Allocated memory is still 123.7MB. Free memory was 67.8MB in the beginning and 57.9MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 7943.87ms. Allocated memory was 123.7MB in the beginning and 178.3MB in the end (delta: 54.5MB). Free memory was 57.4MB in the beginning and 105.6MB in the end (delta: -48.2MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB.
* Witness Printer took 113.35ms. Allocated memory is still 178.3MB. Free memory was 105.6MB in the beginning and 101.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 19]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 19]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 23]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 23]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 29 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 9, TraceHistogramMax: 33, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 175 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 173 mSDsluCounter, 624 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 450 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 259 IncrementalHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 174 mSDtfsCounter, 259 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1047 GetRequests, 916 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 899 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=142occurred in iteration=7, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 63 PreInvPairs, 131 NumberOfFragments, 65 HoareAnnotationTreeSize, 63 FomulaSimplifications, 335 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 718 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 1348 NumberOfCodeBlocks, 1132 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1564 ConstructedInterpolants, 0 QuantifiedInterpolants, 2436 SizeOfPredicates, 14 NumberOfNonLiveVariables, 653 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 17 InterpolantComputations, 6 PerfectInterpolantSequences, 14541/15299 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
4 specifications checked. All of them hold
- InvariantResult [Line: 16]: Loop Invariant
Derived loop invariant: (0 < (2147483649 + i))
- InvariantResult [Line: 18]: Loop Invariant
Derived loop invariant: ((((0 <= (i + 2147483648)) && (1 <= j)) && (i <= 99)) || (((0 <= (i + 2147483648)) && (i <= 99)) && (j == 0)))
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:56:08,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8a75dd6-42c2-4489-9ca0-b8c0799066a5/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