./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_3.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 527bcce2
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx --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 38a2fba2a92db51b6a97ddc82d5dc9e2df7a8770315ef841bfaf5f0764404946
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-527bcce
[2023-11-21 22:04:54,840 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-21 22:04:54,961 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2023-11-21 22:04:54,975 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-21 22:04:54,976 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-21 22:04:55,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-21 22:04:55,017 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-21 22:04:55,017 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-21 22:04:55,018 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-11-21 22:04:55,023 INFO L153 SettingsManager]: * Use memory slicer=true
[2023-11-21 22:04:55,024 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-21 22:04:55,025 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-21 22:04:55,026 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-21 22:04:55,028 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-21 22:04:55,028 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-21 22:04:55,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-21 22:04:55,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-21 22:04:55,030 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-21 22:04:55,030 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-21 22:04:55,030 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-21 22:04:55,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-21 22:04:55,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-21 22:04:55,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-21 22:04:55,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-21 22:04:55,033 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true
[2023-11-21 22:04:55,033 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-21 22:04:55,034 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-21 22:04:55,034 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-21 22:04:55,035 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-21 22:04:55,036 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-21 22:04:55,037 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-21 22:04:55,037 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2023-11-21 22:04:55,038 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-21 22:04:55,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-21 22:04:55,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-21 22:04:55,038 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-21 22:04:55,039 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-21 22:04:55,039 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-21 22:04:55,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-21 22:04:55,039 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-21 22:04:55,040 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-21 22:04:55,040 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-21 22:04:55,040 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-21 22:04:55,041 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-21 22:04:55,041 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_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38a2fba2a92db51b6a97ddc82d5dc9e2df7a8770315ef841bfaf5f0764404946
[2023-11-21 22:04:55,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-21 22:04:55,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-21 22:04:55,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-21 22:04:55,391 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-21 22:04:55,391 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-21 22:04:55,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_3.i
[2023-11-21 22:04:58,553 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-21 22:04:58,870 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-21 22:04:58,870 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/sv-benchmarks/c/ldv-memsafety/memleaks_test17_3.i
[2023-11-21 22:04:58,889 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/data/fdbccd628/c618a551124b41a6aedf27503315237a/FLAG49c1e7dfe
[2023-11-21 22:04:58,910 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/data/fdbccd628/c618a551124b41a6aedf27503315237a
[2023-11-21 22:04:58,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-21 22:04:58,918 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-21 22:04:58,921 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-21 22:04:58,922 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-21 22:04:58,927 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-21 22:04:58,928 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:04:58" (1/1) ...
[2023-11-21 22:04:58,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37be7ab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:58, skipping insertion in model container
[2023-11-21 22:04:58,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:04:58" (1/1) ...
[2023-11-21 22:04:59,011 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-21 22:04:59,522 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-21 22:04:59,549 INFO L202 MainTranslator]: Completed pre-run
[2023-11-21 22:04:59,622 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-21 22:04:59,684 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler.
[2023-11-21 22:04:59,693 INFO L206 MainTranslator]: Completed translation
[2023-11-21 22:04:59,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:59 WrapperNode
[2023-11-21 22:04:59,694 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-21 22:04:59,695 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-21 22:04:59,695 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-21 22:04:59,696 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-21 22:04:59,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:59" (1/1) ...
[2023-11-21 22:04:59,737 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:59" (1/1) ...
[2023-11-21 22:04:59,763 INFO L138 Inliner]: procedures = 165, calls = 76, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 71
[2023-11-21 22:04:59,764 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-21 22:04:59,765 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-21 22:04:59,765 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-21 22:04:59,765 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-21 22:04:59,779 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:59" (1/1) ...
[2023-11-21 22:04:59,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:59" (1/1) ...
[2023-11-21 22:04:59,782 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:59" (1/1) ...
[2023-11-21 22:04:59,796 INFO L187 HeapSplitter]: Split 6 memory accesses to 2 slices as follows [2, 4]
[2023-11-21 22:04:59,796 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:59" (1/1) ...
[2023-11-21 22:04:59,797 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:59" (1/1) ...
[2023-11-21 22:04:59,804 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:59" (1/1) ...
[2023-11-21 22:04:59,807 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:59" (1/1) ...
[2023-11-21 22:04:59,810 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:59" (1/1) ...
[2023-11-21 22:04:59,811 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:59" (1/1) ...
[2023-11-21 22:04:59,814 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-21 22:04:59,815 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-21 22:04:59,816 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-21 22:04:59,816 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-21 22:04:59,817 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:59" (1/1) ...
[2023-11-21 22:04:59,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-21 22:04:59,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3
[2023-11-21 22:04:59,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-21 22:04:59,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-21 22:04:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc
[2023-11-21 22:04:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2023-11-21 22:04:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-11-21 22:04:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-21 22:04:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2023-11-21 22:04:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2023-11-21 22:04:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2023-11-21 22:04:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2023-11-21 22:04:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-21 22:04:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0
[2023-11-21 22:04:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1
[2023-11-21 22:04:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-21 22:04:59,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-21 22:05:00,064 INFO L240 CfgBuilder]: Building ICFG
[2023-11-21 22:05:00,066 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-21 22:05:00,290 INFO L281 CfgBuilder]: Performing block encoding
[2023-11-21 22:05:00,352 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-21 22:05:00,352 INFO L308 CfgBuilder]: Removed 3 assume(true) statements.
[2023-11-21 22:05:00,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:00 BoogieIcfgContainer
[2023-11-21 22:05:00,354 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-21 22:05:00,356 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-21 22:05:00,357 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-21 22:05:00,360 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-21 22:05:00,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:04:58" (1/3) ...
[2023-11-21 22:05:00,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f7ccddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:05:00, skipping insertion in model container
[2023-11-21 22:05:00,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:59" (2/3) ...
[2023-11-21 22:05:00,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f7ccddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:05:00, skipping insertion in model container
[2023-11-21 22:05:00,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:00" (3/3) ...
[2023-11-21 22:05:00,372 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test17_3.i
[2023-11-21 22:05:00,390 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-21 22:05:00,390 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations.
[2023-11-21 22:05:00,442 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-21 22:05:00,449 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;@4ff9bbc4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-21 22:05:00,450 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2023-11-21 22:05:00,454 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 27 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-21 22:05:00,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2023-11-21 22:05:00,462 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-21 22:05:00,462 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-21 22:05:00,463 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-21 22:05:00,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-21 22:05:00,469 INFO L85 PathProgramCache]: Analyzing trace with hash -661841724, now seen corresponding path program 1 times
[2023-11-21 22:05:00,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-21 22:05:00,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438468920]
[2023-11-21 22:05:00,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 22:05:00,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 22:05:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:00,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2023-11-21 22:05:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:00,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-21 22:05:00,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-21 22:05:00,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438468920]
[2023-11-21 22:05:00,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438468920] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-21 22:05:00,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-21 22:05:00,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-21 22:05:00,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152760211]
[2023-11-21 22:05:00,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-21 22:05:00,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-21 22:05:00,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-21 22:05:00,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-21 22:05:00,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-21 22:05:00,966 INFO L87 Difference]: Start difference. First operand has 31 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 27 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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)
[2023-11-21 22:05:01,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-21 22:05:01,129 INFO L93 Difference]: Finished difference Result 55 states and 65 transitions.
[2023-11-21 22:05:01,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-21 22:05:01,132 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 8
[2023-11-21 22:05:01,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-21 22:05:01,139 INFO L225 Difference]: With dead ends: 55
[2023-11-21 22:05:01,139 INFO L226 Difference]: Without dead ends: 48
[2023-11-21 22:05:01,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-21 22:05:01,149 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 24 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-21 22:05:01,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 140 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-21 22:05:01,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states.
[2023-11-21 22:05:01,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 31.
[2023-11-21 22:05:01,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 20 states have (on average 1.55) internal successors, (31), 27 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-21 22:05:01,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions.
[2023-11-21 22:05:01,189 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 8
[2023-11-21 22:05:01,189 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-21 22:05:01,189 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions.
[2023-11-21 22:05:01,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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)
[2023-11-21 22:05:01,190 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions.
[2023-11-21 22:05:01,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2023-11-21 22:05:01,191 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-21 22:05:01,191 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-21 22:05:01,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-21 22:05:01,192 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-21 22:05:01,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-21 22:05:01,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1268115052, now seen corresponding path program 1 times
[2023-11-21 22:05:01,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-21 22:05:01,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455498420]
[2023-11-21 22:05:01,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 22:05:01,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 22:05:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:01,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2023-11-21 22:05:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:01,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-21 22:05:01,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-21 22:05:01,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455498420]
[2023-11-21 22:05:01,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455498420] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-21 22:05:01,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315441654]
[2023-11-21 22:05:01,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 22:05:01,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-21 22:05:01,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3
[2023-11-21 22:05:01,460 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-21 22:05:01,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-21 22:05:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:01,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-21 22:05:01,580 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-21 22:05:01,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-21 22:05:01,657 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-21 22:05:01,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315441654] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-21 22:05:01,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-21 22:05:01,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8
[2023-11-21 22:05:01,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888847278]
[2023-11-21 22:05:01,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-21 22:05:01,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-21 22:05:01,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-21 22:05:01,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-21 22:05:01,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2023-11-21 22:05:01,666 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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)
[2023-11-21 22:05:01,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-21 22:05:01,768 INFO L93 Difference]: Finished difference Result 48 states and 54 transitions.
[2023-11-21 22:05:01,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-21 22:05:01,769 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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 11
[2023-11-21 22:05:01,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-21 22:05:01,771 INFO L225 Difference]: With dead ends: 48
[2023-11-21 22:05:01,771 INFO L226 Difference]: Without dead ends: 47
[2023-11-21 22:05:01,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110
[2023-11-21 22:05:01,773 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 61 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-21 22:05:01,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 66 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-21 22:05:01,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states.
[2023-11-21 22:05:01,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 30.
[2023-11-21 22:05:01,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.5) internal successors, (30), 26 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-21 22:05:01,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions.
[2023-11-21 22:05:01,796 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 11
[2023-11-21 22:05:01,796 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-21 22:05:01,797 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions.
[2023-11-21 22:05:01,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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)
[2023-11-21 22:05:01,798 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions.
[2023-11-21 22:05:01,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2023-11-21 22:05:01,799 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-21 22:05:01,799 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-21 22:05:01,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2023-11-21 22:05:02,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-21 22:05:02,013 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-21 22:05:02,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-21 22:05:02,014 INFO L85 PathProgramCache]: Analyzing trace with hash 656861005, now seen corresponding path program 1 times
[2023-11-21 22:05:02,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-21 22:05:02,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301566848]
[2023-11-21 22:05:02,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 22:05:02,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 22:05:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:02,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2023-11-21 22:05:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:02,245 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-21 22:05:02,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-21 22:05:02,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301566848]
[2023-11-21 22:05:02,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301566848] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-21 22:05:02,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53818492]
[2023-11-21 22:05:02,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 22:05:02,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-21 22:05:02,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3
[2023-11-21 22:05:02,255 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-21 22:05:02,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-21 22:05:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:02,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-21 22:05:02,359 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-21 22:05:02,388 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-21 22:05:02,389 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-21 22:05:02,446 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-21 22:05:02,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53818492] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-21 22:05:02,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-21 22:05:02,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12
[2023-11-21 22:05:02,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767956752]
[2023-11-21 22:05:02,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-21 22:05:02,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2023-11-21 22:05:02,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-21 22:05:02,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2023-11-21 22:05:02,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156
[2023-11-21 22:05:02,449 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-21 22:05:02,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-21 22:05:02,627 INFO L93 Difference]: Finished difference Result 108 states and 125 transitions.
[2023-11-21 22:05:02,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2023-11-21 22:05:02,627 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12
[2023-11-21 22:05:02,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-21 22:05:02,629 INFO L225 Difference]: With dead ends: 108
[2023-11-21 22:05:02,630 INFO L226 Difference]: Without dead ends: 107
[2023-11-21 22:05:02,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272
[2023-11-21 22:05:02,632 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 84 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-21 22:05:02,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 362 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-21 22:05:02,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states.
[2023-11-21 22:05:02,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 39.
[2023-11-21 22:05:02,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 35 states have internal predecessors, (42), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-21 22:05:02,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions.
[2023-11-21 22:05:02,643 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 46 transitions. Word has length 12
[2023-11-21 22:05:02,644 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-21 22:05:02,644 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 46 transitions.
[2023-11-21 22:05:02,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-21 22:05:02,644 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions.
[2023-11-21 22:05:02,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2023-11-21 22:05:02,645 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-21 22:05:02,646 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-21 22:05:02,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-11-21 22:05:02,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-21 22:05:02,867 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-21 22:05:02,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-21 22:05:02,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1162066149, now seen corresponding path program 1 times
[2023-11-21 22:05:02,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-21 22:05:02,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940283127]
[2023-11-21 22:05:02,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 22:05:02,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 22:05:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:02,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2023-11-21 22:05:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:02,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-21 22:05:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:02,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-21 22:05:02,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-21 22:05:02,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940283127]
[2023-11-21 22:05:02,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940283127] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-21 22:05:02,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-21 22:05:02,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-21 22:05:02,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658168339]
[2023-11-21 22:05:02,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-21 22:05:02,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-21 22:05:02,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-21 22:05:02,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-21 22:05:02,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-21 22:05:02,983 INFO L87 Difference]: Start difference. First operand 39 states and 46 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-21 22:05:03,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-21 22:05:03,018 INFO L93 Difference]: Finished difference Result 58 states and 66 transitions.
[2023-11-21 22:05:03,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-21 22:05:03,019 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14
[2023-11-21 22:05:03,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-21 22:05:03,020 INFO L225 Difference]: With dead ends: 58
[2023-11-21 22:05:03,020 INFO L226 Difference]: Without dead ends: 39
[2023-11-21 22:05:03,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-21 22:05:03,022 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 27 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-21 22:05:03,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 66 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-21 22:05:03,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states.
[2023-11-21 22:05:03,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39.
[2023-11-21 22:05:03,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 35 states have internal predecessors, (41), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-21 22:05:03,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions.
[2023-11-21 22:05:03,037 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 14
[2023-11-21 22:05:03,037 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-21 22:05:03,037 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions.
[2023-11-21 22:05:03,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-21 22:05:03,038 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions.
[2023-11-21 22:05:03,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-11-21 22:05:03,040 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-21 22:05:03,040 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-21 22:05:03,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-21 22:05:03,040 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-21 22:05:03,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-21 22:05:03,042 INFO L85 PathProgramCache]: Analyzing trace with hash -598853949, now seen corresponding path program 1 times
[2023-11-21 22:05:03,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-21 22:05:03,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517604834]
[2023-11-21 22:05:03,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 22:05:03,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 22:05:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:03,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2023-11-21 22:05:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:03,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-21 22:05:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:03,134 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-11-21 22:05:03,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-21 22:05:03,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517604834]
[2023-11-21 22:05:03,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517604834] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-21 22:05:03,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-21 22:05:03,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-21 22:05:03,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423710264]
[2023-11-21 22:05:03,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-21 22:05:03,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-21 22:05:03,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-21 22:05:03,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-21 22:05:03,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-21 22:05:03,138 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-21 22:05:03,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-21 22:05:03,202 INFO L93 Difference]: Finished difference Result 56 states and 64 transitions.
[2023-11-21 22:05:03,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-21 22:05:03,202 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17
[2023-11-21 22:05:03,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-21 22:05:03,203 INFO L225 Difference]: With dead ends: 56
[2023-11-21 22:05:03,204 INFO L226 Difference]: Without dead ends: 52
[2023-11-21 22:05:03,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-21 22:05:03,205 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 11 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-21 22:05:03,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 71 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-21 22:05:03,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states.
[2023-11-21 22:05:03,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 47.
[2023-11-21 22:05:03,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 42 states have internal predecessors, (49), 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)
[2023-11-21 22:05:03,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions.
[2023-11-21 22:05:03,215 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 17
[2023-11-21 22:05:03,215 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-21 22:05:03,215 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions.
[2023-11-21 22:05:03,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-21 22:05:03,215 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions.
[2023-11-21 22:05:03,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2023-11-21 22:05:03,216 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-21 22:05:03,217 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-21 22:05:03,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-21 22:05:03,217 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-21 22:05:03,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-21 22:05:03,218 INFO L85 PathProgramCache]: Analyzing trace with hash 788489319, now seen corresponding path program 1 times
[2023-11-21 22:05:03,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-21 22:05:03,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615628432]
[2023-11-21 22:05:03,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 22:05:03,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 22:05:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:03,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2023-11-21 22:05:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:03,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-21 22:05:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:03,303 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-11-21 22:05:03,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-21 22:05:03,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615628432]
[2023-11-21 22:05:03,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615628432] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-21 22:05:03,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-21 22:05:03,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-21 22:05:03,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903225577]
[2023-11-21 22:05:03,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-21 22:05:03,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-21 22:05:03,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-21 22:05:03,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-21 22:05:03,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-21 22:05:03,306 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-21 22:05:03,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-21 22:05:03,384 INFO L93 Difference]: Finished difference Result 53 states and 61 transitions.
[2023-11-21 22:05:03,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-21 22:05:03,384 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20
[2023-11-21 22:05:03,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-21 22:05:03,386 INFO L225 Difference]: With dead ends: 53
[2023-11-21 22:05:03,386 INFO L226 Difference]: Without dead ends: 45
[2023-11-21 22:05:03,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-21 22:05:03,387 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 3 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-21 22:05:03,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 78 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-21 22:05:03,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states.
[2023-11-21 22:05:03,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45.
[2023-11-21 22:05:03,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 40 states have internal predecessors, (46), 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)
[2023-11-21 22:05:03,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 52 transitions.
[2023-11-21 22:05:03,397 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 52 transitions. Word has length 20
[2023-11-21 22:05:03,398 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-21 22:05:03,398 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 52 transitions.
[2023-11-21 22:05:03,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-21 22:05:03,398 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions.
[2023-11-21 22:05:03,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2023-11-21 22:05:03,399 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-21 22:05:03,400 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1, 1, 1]
[2023-11-21 22:05:03,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-21 22:05:03,400 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-21 22:05:03,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-21 22:05:03,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1529774581, now seen corresponding path program 2 times
[2023-11-21 22:05:03,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-21 22:05:03,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647512737]
[2023-11-21 22:05:03,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 22:05:03,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 22:05:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:03,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2023-11-21 22:05:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:03,631 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-21 22:05:03,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-21 22:05:03,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647512737]
[2023-11-21 22:05:03,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647512737] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-21 22:05:03,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640522384]
[2023-11-21 22:05:03,632 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-21 22:05:03,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-21 22:05:03,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3
[2023-11-21 22:05:03,637 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-21 22:05:03,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-21 22:05:03,736 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2023-11-21 22:05:03,736 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-21 22:05:03,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-21 22:05:03,741 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-21 22:05:03,818 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2023-11-21 22:05:03,818 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-21 22:05:03,892 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2023-11-21 22:05:03,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640522384] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-21 22:05:03,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-21 22:05:03,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 3, 3] total 16
[2023-11-21 22:05:03,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285113715]
[2023-11-21 22:05:03,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-21 22:05:03,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2023-11-21 22:05:03,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-21 22:05:03,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2023-11-21 22:05:03,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272
[2023-11-21 22:05:03,895 INFO L87 Difference]: Start difference. First operand 45 states and 52 transitions. Second operand has 17 states, 16 states have (on average 2.375) internal successors, (38), 16 states have internal predecessors, (38), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-11-21 22:05:04,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-21 22:05:04,156 INFO L93 Difference]: Finished difference Result 140 states and 161 transitions.
[2023-11-21 22:05:04,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2023-11-21 22:05:04,157 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.375) internal successors, (38), 16 states have internal predecessors, (38), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 21
[2023-11-21 22:05:04,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-21 22:05:04,158 INFO L225 Difference]: With dead ends: 140
[2023-11-21 22:05:04,159 INFO L226 Difference]: Without dead ends: 139
[2023-11-21 22:05:04,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=204, Invalid=552, Unknown=0, NotChecked=0, Total=756
[2023-11-21 22:05:04,160 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 234 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-21 22:05:04,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 194 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-21 22:05:04,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states.
[2023-11-21 22:05:04,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 33.
[2023-11-21 22:05:04,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 28 states have internal predecessors, (31), 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)
[2023-11-21 22:05:04,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions.
[2023-11-21 22:05:04,172 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 21
[2023-11-21 22:05:04,173 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-21 22:05:04,173 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions.
[2023-11-21 22:05:04,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.375) internal successors, (38), 16 states have internal predecessors, (38), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-11-21 22:05:04,173 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions.
[2023-11-21 22:05:04,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2023-11-21 22:05:04,174 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-21 22:05:04,175 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-21 22:05:04,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2023-11-21 22:05:04,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6
[2023-11-21 22:05:04,397 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-21 22:05:04,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-21 22:05:04,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1816437317, now seen corresponding path program 1 times
[2023-11-21 22:05:04,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-21 22:05:04,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396873369]
[2023-11-21 22:05:04,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 22:05:04,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 22:05:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:04,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2023-11-21 22:05:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:04,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-21 22:05:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:04,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2023-11-21 22:05:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:04,562 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2023-11-21 22:05:04,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-21 22:05:04,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396873369]
[2023-11-21 22:05:04,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396873369] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-21 22:05:04,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884116199]
[2023-11-21 22:05:04,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 22:05:04,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-21 22:05:04,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3
[2023-11-21 22:05:04,564 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-21 22:05:04,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-11-21 22:05:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:04,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-21 22:05:04,683 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-21 22:05:04,751 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2023-11-21 22:05:04,752 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-21 22:05:04,823 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2023-11-21 22:05:04,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884116199] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-21 22:05:04,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-21 22:05:04,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14
[2023-11-21 22:05:04,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366337983]
[2023-11-21 22:05:04,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-21 22:05:04,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2023-11-21 22:05:04,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-21 22:05:04,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2023-11-21 22:05:04,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182
[2023-11-21 22:05:04,825 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand has 14 states, 14 states have (on average 2.0) internal successors, (28), 13 states have internal predecessors, (28), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4)
[2023-11-21 22:05:04,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-21 22:05:04,936 INFO L93 Difference]: Finished difference Result 64 states and 72 transitions.
[2023-11-21 22:05:04,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2023-11-21 22:05:04,937 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.0) internal successors, (28), 13 states have internal predecessors, (28), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 25
[2023-11-21 22:05:04,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-21 22:05:04,938 INFO L225 Difference]: With dead ends: 64
[2023-11-21 22:05:04,938 INFO L226 Difference]: Without dead ends: 39
[2023-11-21 22:05:04,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272
[2023-11-21 22:05:04,939 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 35 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-21 22:05:04,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 120 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-21 22:05:04,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states.
[2023-11-21 22:05:04,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39.
[2023-11-21 22:05:04,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 34 states have internal predecessors, (37), 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)
[2023-11-21 22:05:04,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions.
[2023-11-21 22:05:04,948 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 25
[2023-11-21 22:05:04,949 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-21 22:05:04,949 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions.
[2023-11-21 22:05:04,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.0) internal successors, (28), 13 states have internal predecessors, (28), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4)
[2023-11-21 22:05:04,949 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions.
[2023-11-21 22:05:04,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2023-11-21 22:05:04,950 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-21 22:05:04,950 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-21 22:05:04,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2023-11-21 22:05:05,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7
[2023-11-21 22:05:05,165 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-21 22:05:05,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-21 22:05:05,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1676852411, now seen corresponding path program 2 times
[2023-11-21 22:05:05,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-21 22:05:05,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544306714]
[2023-11-21 22:05:05,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 22:05:05,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 22:05:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:05,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2023-11-21 22:05:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:05,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2023-11-21 22:05:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:05,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25
[2023-11-21 22:05:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:05,397 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2023-11-21 22:05:05,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-21 22:05:05,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544306714]
[2023-11-21 22:05:05,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544306714] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-21 22:05:05,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083476863]
[2023-11-21 22:05:05,398 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-21 22:05:05,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-21 22:05:05,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3
[2023-11-21 22:05:05,399 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-21 22:05:05,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2023-11-21 22:05:05,522 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-11-21 22:05:05,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-21 22:05:05,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 9 conjunts are in the unsatisfiable core
[2023-11-21 22:05:05,527 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-21 22:05:05,707 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2023-11-21 22:05:05,707 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-21 22:05:05,871 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2023-11-21 22:05:05,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083476863] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-21 22:05:05,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-21 22:05:05,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 26
[2023-11-21 22:05:05,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262931001]
[2023-11-21 22:05:05,872 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-21 22:05:05,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states
[2023-11-21 22:05:05,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-21 22:05:05,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants.
[2023-11-21 22:05:05,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=484, Unknown=0, NotChecked=0, Total=650
[2023-11-21 22:05:05,875 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand has 26 states, 26 states have (on average 1.7692307692307692) internal successors, (46), 25 states have internal predecessors, (46), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4)
[2023-11-21 22:05:06,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-21 22:05:06,108 INFO L93 Difference]: Finished difference Result 76 states and 86 transitions.
[2023-11-21 22:05:06,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2023-11-21 22:05:06,109 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 1.7692307692307692) internal successors, (46), 25 states have internal predecessors, (46), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 31
[2023-11-21 22:05:06,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-21 22:05:06,110 INFO L225 Difference]: With dead ends: 76
[2023-11-21 22:05:06,110 INFO L226 Difference]: Without dead ends: 51
[2023-11-21 22:05:06,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=326, Invalid=864, Unknown=0, NotChecked=0, Total=1190
[2023-11-21 22:05:06,111 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 84 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-21 22:05:06,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 135 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-21 22:05:06,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2023-11-21 22:05:06,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51.
[2023-11-21 22:05:06,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 41 states have (on average 1.1951219512195121) internal successors, (49), 46 states have internal predecessors, (49), 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)
[2023-11-21 22:05:06,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions.
[2023-11-21 22:05:06,122 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 31
[2023-11-21 22:05:06,122 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-21 22:05:06,123 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions.
[2023-11-21 22:05:06,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.7692307692307692) internal successors, (46), 25 states have internal predecessors, (46), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4)
[2023-11-21 22:05:06,123 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions.
[2023-11-21 22:05:06,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2023-11-21 22:05:06,124 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-21 22:05:06,124 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-21 22:05:06,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2023-11-21 22:05:06,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-21 22:05:06,341 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-21 22:05:06,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-21 22:05:06,342 INFO L85 PathProgramCache]: Analyzing trace with hash -872921787, now seen corresponding path program 3 times
[2023-11-21 22:05:06,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-21 22:05:06,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937393358]
[2023-11-21 22:05:06,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 22:05:06,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 22:05:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:06,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2023-11-21 22:05:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:06,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29
[2023-11-21 22:05:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:06,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2023-11-21 22:05:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:06,915 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2023-11-21 22:05:06,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-21 22:05:06,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937393358]
[2023-11-21 22:05:06,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937393358] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-21 22:05:06,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140574491]
[2023-11-21 22:05:06,916 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2023-11-21 22:05:06,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-21 22:05:06,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3
[2023-11-21 22:05:06,917 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-21 22:05:06,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2023-11-21 22:05:07,040 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2023-11-21 22:05:07,040 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-21 22:05:07,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-21 22:05:07,044 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-21 22:05:07,103 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked.
[2023-11-21 22:05:07,104 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-21 22:05:07,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140574491] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-21 22:05:07,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-21 22:05:07,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [19] total 22
[2023-11-21 22:05:07,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414041655]
[2023-11-21 22:05:07,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-21 22:05:07,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-21 22:05:07,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-21 22:05:07,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-21 22:05:07,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462
[2023-11-21 22:05:07,107 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2023-11-21 22:05:07,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-21 22:05:07,163 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions.
[2023-11-21 22:05:07,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-21 22:05:07,164 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 43
[2023-11-21 22:05:07,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-21 22:05:07,165 INFO L225 Difference]: With dead ends: 51
[2023-11-21 22:05:07,165 INFO L226 Difference]: Without dead ends: 50
[2023-11-21 22:05:07,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=98, Invalid=408, Unknown=0, NotChecked=0, Total=506
[2023-11-21 22:05:07,166 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 16 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-21 22:05:07,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 35 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-21 22:05:07,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states.
[2023-11-21 22:05:07,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50.
[2023-11-21 22:05:07,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 41 states have (on average 1.170731707317073) internal successors, (48), 45 states have internal predecessors, (48), 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)
[2023-11-21 22:05:07,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions.
[2023-11-21 22:05:07,178 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 43
[2023-11-21 22:05:07,179 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-21 22:05:07,179 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions.
[2023-11-21 22:05:07,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2023-11-21 22:05:07,179 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions.
[2023-11-21 22:05:07,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2023-11-21 22:05:07,181 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-21 22:05:07,181 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-21 22:05:07,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2023-11-21 22:05:07,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-21 22:05:07,404 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-21 22:05:07,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-21 22:05:07,404 INFO L85 PathProgramCache]: Analyzing trace with hash -872923390, now seen corresponding path program 1 times
[2023-11-21 22:05:07,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-21 22:05:07,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597610833]
[2023-11-21 22:05:07,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 22:05:07,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 22:05:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:07,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2023-11-21 22:05:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:07,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29
[2023-11-21 22:05:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:07,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2023-11-21 22:05:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:07,544 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked.
[2023-11-21 22:05:07,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-21 22:05:07,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597610833]
[2023-11-21 22:05:07,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597610833] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-21 22:05:07,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94046938]
[2023-11-21 22:05:07,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 22:05:07,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-21 22:05:07,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3
[2023-11-21 22:05:07,546 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-21 22:05:07,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2023-11-21 22:05:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:07,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 17 conjunts are in the unsatisfiable core
[2023-11-21 22:05:07,698 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-21 22:05:08,071 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 4 proven. 70 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2023-11-21 22:05:08,071 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-21 22:05:08,390 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2023-11-21 22:05:08,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94046938] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-21 22:05:08,390 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-21 22:05:08,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 18, 18] total 38
[2023-11-21 22:05:08,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022848377]
[2023-11-21 22:05:08,390 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-21 22:05:08,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states
[2023-11-21 22:05:08,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-21 22:05:08,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants.
[2023-11-21 22:05:08,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=290, Invalid=1116, Unknown=0, NotChecked=0, Total=1406
[2023-11-21 22:05:08,393 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand has 38 states, 38 states have (on average 2.0) internal successors, (76), 37 states have internal predecessors, (76), 6 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7)
[2023-11-21 22:05:08,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-21 22:05:08,890 INFO L93 Difference]: Finished difference Result 97 states and 110 transitions.
[2023-11-21 22:05:08,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states.
[2023-11-21 22:05:08,891 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 2.0) internal successors, (76), 37 states have internal predecessors, (76), 6 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 43
[2023-11-21 22:05:08,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-21 22:05:08,892 INFO L225 Difference]: With dead ends: 97
[2023-11-21 22:05:08,892 INFO L226 Difference]: Without dead ends: 73
[2023-11-21 22:05:08,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 762 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=582, Invalid=2070, Unknown=0, NotChecked=0, Total=2652
[2023-11-21 22:05:08,895 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 110 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-21 22:05:08,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 194 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-21 22:05:08,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states.
[2023-11-21 22:05:08,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 64.
[2023-11-21 22:05:08,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 54 states have (on average 1.1481481481481481) internal successors, (62), 58 states have internal predecessors, (62), 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)
[2023-11-21 22:05:08,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 70 transitions.
[2023-11-21 22:05:08,908 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 70 transitions. Word has length 43
[2023-11-21 22:05:08,909 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-21 22:05:08,909 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 70 transitions.
[2023-11-21 22:05:08,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 2.0) internal successors, (76), 37 states have internal predecessors, (76), 6 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7)
[2023-11-21 22:05:08,909 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions.
[2023-11-21 22:05:08,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2023-11-21 22:05:08,911 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-21 22:05:08,911 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-21 22:05:08,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2023-11-21 22:05:09,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-21 22:05:09,133 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-21 22:05:09,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-21 22:05:09,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1740856917, now seen corresponding path program 1 times
[2023-11-21 22:05:09,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-21 22:05:09,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200051390]
[2023-11-21 22:05:09,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 22:05:09,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 22:05:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:09,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2023-11-21 22:05:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:09,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2023-11-21 22:05:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:09,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46
[2023-11-21 22:05:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:09,346 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked.
[2023-11-21 22:05:09,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-21 22:05:09,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200051390]
[2023-11-21 22:05:09,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200051390] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-21 22:05:09,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496855624]
[2023-11-21 22:05:09,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 22:05:09,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-21 22:05:09,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3
[2023-11-21 22:05:09,362 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-21 22:05:09,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2023-11-21 22:05:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:09,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-21 22:05:09,537 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-21 22:05:09,570 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked.
[2023-11-21 22:05:09,570 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-21 22:05:09,627 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked.
[2023-11-21 22:05:09,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1496855624] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-21 22:05:09,627 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-21 22:05:09,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12
[2023-11-21 22:05:09,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858485208]
[2023-11-21 22:05:09,628 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-21 22:05:09,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2023-11-21 22:05:09,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-21 22:05:09,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2023-11-21 22:05:09,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156
[2023-11-21 22:05:09,630 INFO L87 Difference]: Start difference. First operand 64 states and 70 transitions. Second operand has 13 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2023-11-21 22:05:09,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-21 22:05:09,783 INFO L93 Difference]: Finished difference Result 100 states and 116 transitions.
[2023-11-21 22:05:09,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2023-11-21 22:05:09,783 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 53
[2023-11-21 22:05:09,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-21 22:05:09,787 INFO L225 Difference]: With dead ends: 100
[2023-11-21 22:05:09,787 INFO L226 Difference]: Without dead ends: 98
[2023-11-21 22:05:09,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272
[2023-11-21 22:05:09,788 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 45 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-21 22:05:09,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 138 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-21 22:05:09,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states.
[2023-11-21 22:05:09,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 80.
[2023-11-21 22:05:09,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 68 states have (on average 1.161764705882353) internal successors, (79), 72 states have internal predecessors, (79), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2023-11-21 22:05:09,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 91 transitions.
[2023-11-21 22:05:09,812 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 91 transitions. Word has length 53
[2023-11-21 22:05:09,812 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-21 22:05:09,812 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 91 transitions.
[2023-11-21 22:05:09,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2023-11-21 22:05:09,813 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 91 transitions.
[2023-11-21 22:05:09,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2023-11-21 22:05:09,819 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-21 22:05:09,819 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-21 22:05:09,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2023-11-21 22:05:10,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-21 22:05:10,033 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-21 22:05:10,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-21 22:05:10,033 INFO L85 PathProgramCache]: Analyzing trace with hash -2121490611, now seen corresponding path program 1 times
[2023-11-21 22:05:10,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-21 22:05:10,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725375501]
[2023-11-21 22:05:10,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 22:05:10,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 22:05:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:10,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2023-11-21 22:05:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:10,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2023-11-21 22:05:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:10,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46
[2023-11-21 22:05:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:10,147 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked.
[2023-11-21 22:05:10,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-21 22:05:10,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725375501]
[2023-11-21 22:05:10,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725375501] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-21 22:05:10,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-21 22:05:10,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-21 22:05:10,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547127897]
[2023-11-21 22:05:10,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-21 22:05:10,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-21 22:05:10,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-21 22:05:10,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-21 22:05:10,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-21 22:05:10,150 INFO L87 Difference]: Start difference. First operand 80 states and 91 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-21 22:05:10,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-21 22:05:10,182 INFO L93 Difference]: Finished difference Result 80 states and 91 transitions.
[2023-11-21 22:05:10,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-21 22:05:10,183 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 55
[2023-11-21 22:05:10,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-21 22:05:10,184 INFO L225 Difference]: With dead ends: 80
[2023-11-21 22:05:10,184 INFO L226 Difference]: Without dead ends: 79
[2023-11-21 22:05:10,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-21 22:05:10,185 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-21 22:05:10,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 52 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-21 22:05:10,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states.
[2023-11-21 22:05:10,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79.
[2023-11-21 22:05:10,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 68 states have (on average 1.1470588235294117) internal successors, (78), 71 states have internal predecessors, (78), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2023-11-21 22:05:10,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 90 transitions.
[2023-11-21 22:05:10,199 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 90 transitions. Word has length 55
[2023-11-21 22:05:10,199 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-21 22:05:10,199 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 90 transitions.
[2023-11-21 22:05:10,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-21 22:05:10,200 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions.
[2023-11-21 22:05:10,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2023-11-21 22:05:10,200 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-21 22:05:10,200 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-21 22:05:10,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2023-11-21 22:05:10,201 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-21 22:05:10,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-21 22:05:10,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1341699396, now seen corresponding path program 1 times
[2023-11-21 22:05:10,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-21 22:05:10,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381582712]
[2023-11-21 22:05:10,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 22:05:10,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 22:05:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:10,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2023-11-21 22:05:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:10,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2023-11-21 22:05:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:10,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46
[2023-11-21 22:05:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:10,417 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked.
[2023-11-21 22:05:10,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-21 22:05:10,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381582712]
[2023-11-21 22:05:10,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381582712] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-21 22:05:10,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243156092]
[2023-11-21 22:05:10,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 22:05:10,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-21 22:05:10,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3
[2023-11-21 22:05:10,420 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-21 22:05:10,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2023-11-21 22:05:10,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:10,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-11-21 22:05:10,613 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-21 22:05:10,653 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked.
[2023-11-21 22:05:10,653 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-21 22:05:10,735 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked.
[2023-11-21 22:05:10,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243156092] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-21 22:05:10,735 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-21 22:05:10,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14
[2023-11-21 22:05:10,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791759355]
[2023-11-21 22:05:10,736 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-21 22:05:10,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2023-11-21 22:05:10,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-21 22:05:10,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2023-11-21 22:05:10,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210
[2023-11-21 22:05:10,738 INFO L87 Difference]: Start difference. First operand 79 states and 90 transitions. Second operand has 15 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2023-11-21 22:05:10,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-21 22:05:10,922 INFO L93 Difference]: Finished difference Result 83 states and 95 transitions.
[2023-11-21 22:05:10,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2023-11-21 22:05:10,923 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 56
[2023-11-21 22:05:10,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-21 22:05:10,924 INFO L225 Difference]: With dead ends: 83
[2023-11-21 22:05:10,924 INFO L226 Difference]: Without dead ends: 71
[2023-11-21 22:05:10,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462
[2023-11-21 22:05:10,926 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 29 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-21 22:05:10,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 95 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-21 22:05:10,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states.
[2023-11-21 22:05:10,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 70.
[2023-11-21 22:05:10,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 61 states have (on average 1.0819672131147542) internal successors, (66), 62 states have internal predecessors, (66), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2023-11-21 22:05:10,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 78 transitions.
[2023-11-21 22:05:10,938 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 78 transitions. Word has length 56
[2023-11-21 22:05:10,938 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-21 22:05:10,938 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 78 transitions.
[2023-11-21 22:05:10,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2023-11-21 22:05:10,939 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions.
[2023-11-21 22:05:10,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2023-11-21 22:05:10,939 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-21 22:05:10,939 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-21 22:05:10,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2023-11-21 22:05:11,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-21 22:05:11,161 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-21 22:05:11,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-21 22:05:11,161 INFO L85 PathProgramCache]: Analyzing trace with hash 728121564, now seen corresponding path program 2 times
[2023-11-21 22:05:11,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-21 22:05:11,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523548092]
[2023-11-21 22:05:11,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 22:05:11,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 22:05:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:11,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2023-11-21 22:05:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:11,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2023-11-21 22:05:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:11,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46
[2023-11-21 22:05:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:11,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2023-11-21 22:05:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:11,418 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked.
[2023-11-21 22:05:11,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-21 22:05:11,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523548092]
[2023-11-21 22:05:11,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523548092] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-21 22:05:11,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975875351]
[2023-11-21 22:05:11,419 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-21 22:05:11,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-21 22:05:11,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3
[2023-11-21 22:05:11,420 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-21 22:05:11,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2023-11-21 22:05:11,639 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-11-21 22:05:11,640 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-21 22:05:11,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-11-21 22:05:11,646 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-21 22:05:11,694 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked.
[2023-11-21 22:05:11,694 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-21 22:05:11,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [975875351] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-21 22:05:11,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-21 22:05:11,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 9
[2023-11-21 22:05:11,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577817461]
[2023-11-21 22:05:11,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-21 22:05:11,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-11-21 22:05:11,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-21 22:05:11,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-11-21 22:05:11,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90
[2023-11-21 22:05:11,697 INFO L87 Difference]: Start difference. First operand 70 states and 78 transitions. Second operand has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 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)
[2023-11-21 22:05:11,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-21 22:05:11,771 INFO L93 Difference]: Finished difference Result 70 states and 78 transitions.
[2023-11-21 22:05:11,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2023-11-21 22:05:11,771 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 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) Word has length 60
[2023-11-21 22:05:11,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-21 22:05:11,772 INFO L225 Difference]: With dead ends: 70
[2023-11-21 22:05:11,772 INFO L226 Difference]: Without dead ends: 68
[2023-11-21 22:05:11,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156
[2023-11-21 22:05:11,775 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 9 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-21 22:05:11,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 62 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-21 22:05:11,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states.
[2023-11-21 22:05:11,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68.
[2023-11-21 22:05:11,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 60 states have (on average 1.0333333333333334) internal successors, (62), 60 states have internal predecessors, (62), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2023-11-21 22:05:11,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 74 transitions.
[2023-11-21 22:05:11,791 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 74 transitions. Word has length 60
[2023-11-21 22:05:11,791 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-21 22:05:11,791 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 74 transitions.
[2023-11-21 22:05:11,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 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)
[2023-11-21 22:05:11,792 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 74 transitions.
[2023-11-21 22:05:11,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78
[2023-11-21 22:05:11,792 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-21 22:05:11,792 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1]
[2023-11-21 22:05:11,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0
[2023-11-21 22:05:12,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2023-11-21 22:05:12,013 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-21 22:05:12,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-21 22:05:12,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1730429071, now seen corresponding path program 2 times
[2023-11-21 22:05:12,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-21 22:05:12,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488927880]
[2023-11-21 22:05:12,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 22:05:12,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 22:05:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:12,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2023-11-21 22:05:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:12,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2023-11-21 22:05:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:12,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46
[2023-11-21 22:05:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:12,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2023-11-21 22:05:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:12,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62
[2023-11-21 22:05:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:12,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70
[2023-11-21 22:05:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:12,445 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked.
[2023-11-21 22:05:12,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-21 22:05:12,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488927880]
[2023-11-21 22:05:12,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488927880] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-21 22:05:12,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879078730]
[2023-11-21 22:05:12,445 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-21 22:05:12,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-21 22:05:12,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3
[2023-11-21 22:05:12,447 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-21 22:05:12,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2023-11-21 22:05:12,682 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-11-21 22:05:12,682 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-21 22:05:12,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 11 conjunts are in the unsatisfiable core
[2023-11-21 22:05:12,687 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-21 22:05:12,746 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked.
[2023-11-21 22:05:12,747 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-21 22:05:12,964 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked.
[2023-11-21 22:05:12,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879078730] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-21 22:05:12,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-21 22:05:12,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 24
[2023-11-21 22:05:12,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302158966]
[2023-11-21 22:05:12,965 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-21 22:05:12,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states
[2023-11-21 22:05:12,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-21 22:05:12,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants.
[2023-11-21 22:05:12,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600
[2023-11-21 22:05:12,967 INFO L87 Difference]: Start difference. First operand 68 states and 74 transitions. Second operand has 25 states, 24 states have (on average 2.75) internal successors, (66), 24 states have internal predecessors, (66), 12 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2023-11-21 22:05:13,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-21 22:05:13,244 INFO L93 Difference]: Finished difference Result 105 states and 122 transitions.
[2023-11-21 22:05:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2023-11-21 22:05:13,244 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 2.75) internal successors, (66), 24 states have internal predecessors, (66), 12 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 77
[2023-11-21 22:05:13,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-21 22:05:13,245 INFO L225 Difference]: With dead ends: 105
[2023-11-21 22:05:13,246 INFO L226 Difference]: Without dead ends: 104
[2023-11-21 22:05:13,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=334, Invalid=856, Unknown=0, NotChecked=0, Total=1190
[2023-11-21 22:05:13,247 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 42 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-21 22:05:13,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 82 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-21 22:05:13,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states.
[2023-11-21 22:05:13,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104.
[2023-11-21 22:05:13,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 90 states have (on average 1.0222222222222221) internal successors, (92), 90 states have internal predecessors, (92), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2023-11-21 22:05:13,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 116 transitions.
[2023-11-21 22:05:13,264 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 116 transitions. Word has length 77
[2023-11-21 22:05:13,264 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-21 22:05:13,264 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 116 transitions.
[2023-11-21 22:05:13,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 2.75) internal successors, (66), 24 states have internal predecessors, (66), 12 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2023-11-21 22:05:13,265 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 116 transitions.
[2023-11-21 22:05:13,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126
[2023-11-21 22:05:13,266 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-21 22:05:13,266 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1]
[2023-11-21 22:05:13,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0
[2023-11-21 22:05:13,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2023-11-21 22:05:13,485 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-21 22:05:13,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-21 22:05:13,485 INFO L85 PathProgramCache]: Analyzing trace with hash -68003069, now seen corresponding path program 3 times
[2023-11-21 22:05:13,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-21 22:05:13,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699819612]
[2023-11-21 22:05:13,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 22:05:13,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 22:05:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:14,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2023-11-21 22:05:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:14,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2023-11-21 22:05:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:14,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46
[2023-11-21 22:05:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:14,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2023-11-21 22:05:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:14,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62
[2023-11-21 22:05:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:14,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70
[2023-11-21 22:05:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:14,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2023-11-21 22:05:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:14,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2023-11-21 22:05:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:14,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2023-11-21 22:05:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:14,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2023-11-21 22:05:14,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:14,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110
[2023-11-21 22:05:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:14,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118
[2023-11-21 22:05:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 22:05:14,802 INFO L134 CoverageAnalysis]: Checked inductivity of 607 backedges. 275 proven. 55 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked.
[2023-11-21 22:05:14,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-21 22:05:14,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699819612]
[2023-11-21 22:05:14,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699819612] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-21 22:05:14,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132367176]
[2023-11-21 22:05:14,803 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2023-11-21 22:05:14,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-21 22:05:14,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3
[2023-11-21 22:05:14,804 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-21 22:05:14,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2023-11-21 22:05:15,062 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2023-11-21 22:05:15,062 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-21 22:05:15,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-11-21 22:05:15,069 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-21 22:05:15,261 INFO L134 CoverageAnalysis]: Checked inductivity of 607 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked.
[2023-11-21 22:05:15,261 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-21 22:05:15,502 INFO L134 CoverageAnalysis]: Checked inductivity of 607 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked.
[2023-11-21 22:05:15,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132367176] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-21 22:05:15,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-21 22:05:15,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 5, 5] total 32
[2023-11-21 22:05:15,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443536829]
[2023-11-21 22:05:15,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-21 22:05:15,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states
[2023-11-21 22:05:15,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-21 22:05:15,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants.
[2023-11-21 22:05:15,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=838, Unknown=0, NotChecked=0, Total=992
[2023-11-21 22:05:15,506 INFO L87 Difference]: Start difference. First operand 104 states and 116 transitions. Second operand has 32 states, 32 states have (on average 2.875) internal successors, (92), 31 states have internal predecessors, (92), 17 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17)
[2023-11-21 22:05:16,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-21 22:05:16,482 INFO L93 Difference]: Finished difference Result 107 states and 118 transitions.
[2023-11-21 22:05:16,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states.
[2023-11-21 22:05:16,482 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 2.875) internal successors, (92), 31 states have internal predecessors, (92), 17 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Word has length 125
[2023-11-21 22:05:16,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-21 22:05:16,483 INFO L225 Difference]: With dead ends: 107
[2023-11-21 22:05:16,483 INFO L226 Difference]: Without dead ends: 0
[2023-11-21 22:05:16,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 710 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=815, Invalid=2845, Unknown=0, NotChecked=0, Total=3660
[2023-11-21 22:05:16,486 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 36 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2023-11-21 22:05:16,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 384 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2023-11-21 22:05:16,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-21 22:05:16,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-21 22:05:16,488 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)
[2023-11-21 22:05:16,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-21 22:05:16,488 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 125
[2023-11-21 22:05:16,488 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-21 22:05:16,488 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-21 22:05:16,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.875) internal successors, (92), 31 states have internal predecessors, (92), 17 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17)
[2023-11-21 22:05:16,488 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-21 22:05:16,489 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-21 22:05:16,491 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining)
[2023-11-21 22:05:16,492 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining)
[2023-11-21 22:05:16,492 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining)
[2023-11-21 22:05:16,492 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining)
[2023-11-21 22:05:16,492 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining)
[2023-11-21 22:05:16,492 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining)
[2023-11-21 22:05:16,492 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining)
[2023-11-21 22:05:16,493 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining)
[2023-11-21 22:05:16,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0
[2023-11-21 22:05:16,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2023-11-21 22:05:16,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-21 22:05:17,994 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 525 531) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))
[2023-11-21 22:05:17,994 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 525 531) no Hoare annotation was computed.
[2023-11-21 22:05:17,994 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 764) no Hoare annotation was computed.
[2023-11-21 22:05:17,994 INFO L899 garLoopResultBuilder]: For program point L766(line 766) no Hoare annotation was computed.
[2023-11-21 22:05:17,995 INFO L899 garLoopResultBuilder]: For program point alloc_17_err#1(lines 760 776) no Hoare annotation was computed.
[2023-11-21 22:05:17,995 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 771) no Hoare annotation was computed.
[2023-11-21 22:05:17,995 INFO L899 garLoopResultBuilder]: For program point L771(line 771) no Hoare annotation was computed.
[2023-11-21 22:05:17,995 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 782) no Hoare annotation was computed.
[2023-11-21 22:05:17,995 INFO L899 garLoopResultBuilder]: For program point L771-4(line 771) no Hoare annotation was computed.
[2023-11-21 22:05:17,995 INFO L899 garLoopResultBuilder]: For program point L771-5(line 771) no Hoare annotation was computed.
[2023-11-21 22:05:17,995 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 771) no Hoare annotation was computed.
[2023-11-21 22:05:17,996 INFO L895 garLoopResultBuilder]: At program point L771-6(lines 771 774) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_entry_point_~i~1#1|))) (or (and .cse0 (= |ULTIMATE.start_alloc_17_~i~0#1| 0) (<= 10 |ULTIMATE.start_entry_point_~len~0#1|) (<= (+ |ULTIMATE.start_alloc_17_~j~0#1| 1) 0)) (and .cse0 (= 10 |ULTIMATE.start_entry_point_~len~0#1|) (<= 0 (+ |ULTIMATE.start_alloc_17_~i~0#1| 2147483648)) (<= |ULTIMATE.start_alloc_17_~i~0#1| 2147483648) (<= |ULTIMATE.start_alloc_17_~j~0#1| 2147483648))))
[2023-11-21 22:05:17,996 INFO L895 garLoopResultBuilder]: At program point L780(line 780) the Hoare annotation is: (= 10 |ULTIMATE.start_entry_point_~len~0#1|)
[2023-11-21 22:05:17,996 INFO L899 garLoopResultBuilder]: For program point L780-1(line 780) no Hoare annotation was computed.
[2023-11-21 22:05:17,996 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 782) no Hoare annotation was computed.
[2023-11-21 22:05:17,996 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-21 22:05:17,996 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 771) no Hoare annotation was computed.
[2023-11-21 22:05:17,996 INFO L899 garLoopResultBuilder]: For program point L764-3(line 764) no Hoare annotation was computed.
[2023-11-21 22:05:17,996 INFO L899 garLoopResultBuilder]: For program point L764-4(line 764) no Hoare annotation was computed.
[2023-11-21 22:05:17,997 INFO L895 garLoopResultBuilder]: At program point L764-5(lines 764 768) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_entry_point_~i~1#1|)) (.cse1 (<= |ULTIMATE.start_alloc_17_~len#1| 10)) (.cse2 (= 10 |ULTIMATE.start_entry_point_~len~0#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_alloc_17_~i~0#1| 0) .cse2) (and .cse0 .cse1 (= |ULTIMATE.start_alloc_17_~i~0#1| 1) .cse2) (and .cse0 .cse1 (<= 2 |ULTIMATE.start_alloc_17_~i~0#1|) (<= |ULTIMATE.start_alloc_17_~i~0#1| 2147483646) .cse2)))
[2023-11-21 22:05:17,997 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 787) no Hoare annotation was computed.
[2023-11-21 22:05:17,997 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-21 22:05:17,997 INFO L899 garLoopResultBuilder]: For program point alloc_17_returnLabel#1(lines 760 776) no Hoare annotation was computed.
[2023-11-21 22:05:17,997 INFO L899 garLoopResultBuilder]: For program point L777(lines 777 788) no Hoare annotation was computed.
[2023-11-21 22:05:17,997 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 764) no Hoare annotation was computed.
[2023-11-21 22:05:17,998 INFO L895 garLoopResultBuilder]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_entry_point_~i~1#1|)) (.cse1 (<= |ULTIMATE.start_alloc_17_~len#1| 10)) (.cse2 (= 10 |ULTIMATE.start_entry_point_~len~0#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_alloc_17_~i~0#1| 0) .cse2) (and .cse0 .cse1 (= |ULTIMATE.start_alloc_17_~i~0#1| 1) .cse2) (and .cse0 (<= |ULTIMATE.start_alloc_17_~i~0#1| 9) .cse1 (<= 2 |ULTIMATE.start_alloc_17_~i~0#1|) .cse2)))
[2023-11-21 22:05:17,998 INFO L899 garLoopResultBuilder]: For program point L765-1(line 765) no Hoare annotation was computed.
[2023-11-21 22:05:17,998 INFO L899 garLoopResultBuilder]: For program point L782-3(line 782) no Hoare annotation was computed.
[2023-11-21 22:05:17,998 INFO L899 garLoopResultBuilder]: For program point L782-4(line 782) no Hoare annotation was computed.
[2023-11-21 22:05:17,998 INFO L895 garLoopResultBuilder]: At program point L782-5(lines 782 784) the Hoare annotation is: (let ((.cse0 (= 10 |ULTIMATE.start_entry_point_~len~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_entry_point_~i~1#1|)) (and .cse0 (= |ULTIMATE.start_entry_point_~i~1#1| 0))))
[2023-11-21 22:05:17,998 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 771) no Hoare annotation was computed.
[2023-11-21 22:05:18,002 INFO L445 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2023-11-21 22:05:18,004 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-21 22:05:18,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:05:18 BoogieIcfgContainer
[2023-11-21 22:05:18,026 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-21 22:05:18,026 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-21 22:05:18,026 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-21 22:05:18,027 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-21 22:05:18,027 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:00" (3/4) ...
[2023-11-21 22:05:18,030 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-21 22:05:18,033 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc
[2023-11-21 22:05:18,041 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges
[2023-11-21 22:05:18,041 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges
[2023-11-21 22:05:18,042 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2023-11-21 22:05:18,151 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/witness.graphml
[2023-11-21 22:05:18,152 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/witness.yml
[2023-11-21 22:05:18,152 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-21 22:05:18,153 INFO L158 Benchmark]: Toolchain (without parser) took 19234.49ms. Allocated memory was 153.1MB in the beginning and 268.4MB in the end (delta: 115.3MB). Free memory was 107.0MB in the beginning and 125.9MB in the end (delta: -18.9MB). Peak memory consumption was 97.4MB. Max. memory is 16.1GB.
[2023-11-21 22:05:18,153 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-21 22:05:18,153 INFO L158 Benchmark]: CACSL2BoogieTranslator took 772.87ms. Allocated memory is still 153.1MB. Free memory was 106.8MB in the beginning and 84.4MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
[2023-11-21 22:05:18,154 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.20ms. Allocated memory is still 153.1MB. Free memory was 84.1MB in the beginning and 82.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-21 22:05:18,154 INFO L158 Benchmark]: Boogie Preprocessor took 49.78ms. Allocated memory is still 153.1MB. Free memory was 82.0MB in the beginning and 79.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-21 22:05:18,154 INFO L158 Benchmark]: RCFGBuilder took 538.52ms. Allocated memory is still 153.1MB. Free memory was 79.8MB in the beginning and 117.6MB in the end (delta: -37.8MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB.
[2023-11-21 22:05:18,155 INFO L158 Benchmark]: TraceAbstraction took 17669.45ms. Allocated memory was 153.1MB in the beginning and 268.4MB in the end (delta: 115.3MB). Free memory was 117.0MB in the beginning and 130.1MB in the end (delta: -13.1MB). Peak memory consumption was 156.9MB. Max. memory is 16.1GB.
[2023-11-21 22:05:18,155 INFO L158 Benchmark]: Witness Printer took 125.59ms. Allocated memory is still 268.4MB. Free memory was 130.1MB in the beginning and 125.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-21 22:05:18,157 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 772.87ms. Allocated memory is still 153.1MB. Free memory was 106.8MB in the beginning and 84.4MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 69.20ms. Allocated memory is still 153.1MB. Free memory was 84.1MB in the beginning and 82.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 49.78ms. Allocated memory is still 153.1MB. Free memory was 82.0MB in the beginning and 79.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 538.52ms. Allocated memory is still 153.1MB. Free memory was 79.8MB in the beginning and 117.6MB in the end (delta: -37.8MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 17669.45ms. Allocated memory was 153.1MB in the beginning and 268.4MB in the end (delta: 115.3MB). Free memory was 117.0MB in the beginning and 130.1MB in the end (delta: -13.1MB). Peak memory consumption was 156.9MB. Max. memory is 16.1GB.
* Witness Printer took 125.59ms. Allocated memory is still 268.4MB. Free memory was 130.1MB in the beginning and 125.9MB 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: 782]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 782]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 764]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 764]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 771]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 771]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 771]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 771]: 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, 31 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 17.6s, OverallIterations: 17, TraceHistogramMax: 12, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 864 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 852 mSDsluCounter, 2274 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1889 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1789 IncrementalHoareTripleChecker+Invalid, 1859 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 385 mSDtfsCounter, 1789 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1308 GetRequests, 984 SyntacticMatches, 0 SemanticMatches, 324 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2528 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=16, InterpolantAutomatonStates: 202, 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, 17 MinimizatonAttempts, 241 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 24 PreInvPairs, 58 NumberOfFragments, 145 HoareAnnotationTreeSize, 24 FomulaSimplifications, 16762 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 6 FomulaSimplificationsInter, 964 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 1228 NumberOfCodeBlocks, 1086 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1633 ConstructedInterpolants, 0 QuantifiedInterpolants, 3901 SizeOfPredicates, 42 NumberOfNonLiveVariables, 2650 ConjunctsInSsa, 83 ConjunctsInUnsatCore, 38 InterpolantComputations, 8 PerfectInterpolantSequences, 3892/4577 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
8 specifications checked. All of them hold
- InvariantResult [Line: 771]: Loop Invariant
Derived loop invariant: (((((0 <= i) && (i == 0)) && (10 <= len)) && ((j + 1) <= 0)) || (((((0 <= i) && (10 == len)) && (0 <= (i + 2147483648))) && (i <= 2147483648)) && (j <= 2147483648)))
- InvariantResult [Line: 764]: Loop Invariant
Derived loop invariant: ((((((0 <= i) && (len <= 10)) && (i == 0)) && (10 == len)) || ((((0 <= i) && (len <= 10)) && (i == 1)) && (10 == len))) || (((((0 <= i) && (len <= 10)) && (2 <= i)) && (i <= 2147483646)) && (10 == len)))
- InvariantResult [Line: 782]: Loop Invariant
Derived loop invariant: (((10 == len) && (1 <= i)) || ((10 == len) && (i == 0)))
RESULT: Ultimate proved your program to be correct!
[2023-11-21 22:05:18,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5d58d0-24b3-408d-923f-3c710809b13b/bin/uautomizer-verify-bycVGegfSx/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