./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/float-benchs/interpolation.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dce6d1-da09-4f6a-be69-f80564e20870/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dce6d1-da09-4f6a-be69-f80564e20870/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dce6d1-da09-4f6a-be69-f80564e20870/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dce6d1-da09-4f6a-be69-f80564e20870/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dce6d1-da09-4f6a-be69-f80564e20870/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dce6d1-da09-4f6a-be69-f80564e20870/bin/uautomizer-verify-LYvppIcaGC --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 30f6a485d859f7eee00a1696279d966456b3a38851c6233a0367f621da73d6bd
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 02:07:17,661 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 02:07:17,775 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dce6d1-da09-4f6a-be69-f80564e20870/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-24 02:07:17,781 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 02:07:17,781 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 02:07:17,808 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 02:07:17,809 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 02:07:17,809 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 02:07:17,809 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 02:07:17,810 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 02:07:17,810 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 02:07:17,810 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 02:07:17,810 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 02:07:17,811 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 02:07:17,811 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 02:07:17,811 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 02:07:17,811 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 02:07:17,811 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 02:07:17,811 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 02:07:17,811 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 02:07:17,812 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 02:07:17,812 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 02:07:17,812 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 02:07:17,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 02:07:17,812 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-24 02:07:17,812 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-24 02:07:17,812 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 02:07:17,812 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 02:07:17,812 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 02:07:17,812 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 02:07:17,813 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 02:07:17,813 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 02:07:17,813 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 02:07:17,813 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 02:07:17,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 02:07:17,814 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 02:07:17,814 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 02:07:17,814 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 02:07:17,814 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 02:07:17,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 02:07:17,815 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 02:07:17,815 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 02:07:17,815 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 02:07:17,815 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 02:07:17,815 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-24 02:07:17,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 02:07:17,815 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 02:07:17,816 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 02:07:17,816 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 02:07:17,816 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 02:07:17,816 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_a3dce6d1-da09-4f6a-be69-f80564e20870/bin/uautomizer-verify-LYvppIcaGC
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 -> 30f6a485d859f7eee00a1696279d966456b3a38851c6233a0367f621da73d6bd
[2024-11-24 02:07:18,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 02:07:18,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 02:07:18,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 02:07:18,197 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 02:07:18,197 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 02:07:18,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dce6d1-da09-4f6a-be69-f80564e20870/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/float-benchs/interpolation.c
[2024-11-24 02:07:21,607 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dce6d1-da09-4f6a-be69-f80564e20870/bin/uautomizer-verify-LYvppIcaGC/data/6c612ef69/ab84a751bcf2499d89ebf3f617eb909f/FLAG1cc1a4b3a
[2024-11-24 02:07:22,004 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 02:07:22,004 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dce6d1-da09-4f6a-be69-f80564e20870/sv-benchmarks/c/float-benchs/interpolation.c
[2024-11-24 02:07:22,012 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dce6d1-da09-4f6a-be69-f80564e20870/bin/uautomizer-verify-LYvppIcaGC/data/6c612ef69/ab84a751bcf2499d89ebf3f617eb909f/FLAG1cc1a4b3a
[2024-11-24 02:07:22,036 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dce6d1-da09-4f6a-be69-f80564e20870/bin/uautomizer-verify-LYvppIcaGC/data/6c612ef69/ab84a751bcf2499d89ebf3f617eb909f
[2024-11-24 02:07:22,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 02:07:22,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 02:07:22,045 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 02:07:22,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 02:07:22,052 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 02:07:22,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:07:22" (1/1) ...
[2024-11-24 02:07:22,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4902289f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:07:22, skipping insertion in model container
[2024-11-24 02:07:22,057 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:07:22" (1/1) ...
[2024-11-24 02:07:22,078 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 02:07:22,312 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 02:07:22,327 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 02:07:22,353 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 02:07:22,371 INFO L204 MainTranslator]: Completed translation
[2024-11-24 02:07:22,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:07:22 WrapperNode
[2024-11-24 02:07:22,372 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 02:07:22,373 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 02:07:22,373 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 02:07:22,374 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 02:07:22,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:07:22" (1/1) ...
[2024-11-24 02:07:22,398 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:07:22" (1/1) ...
[2024-11-24 02:07:22,425 INFO L138 Inliner]: procedures = 18, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 78
[2024-11-24 02:07:22,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 02:07:22,426 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 02:07:22,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 02:07:22,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 02:07:22,440 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:07:22" (1/1) ...
[2024-11-24 02:07:22,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:07:22" (1/1) ...
[2024-11-24 02:07:22,443 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:07:22" (1/1) ...
[2024-11-24 02:07:22,466 INFO L175 MemorySlicer]: Split 18 memory accesses to 3 slices as follows [2, 8, 8]. 44 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0].
[2024-11-24 02:07:22,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:07:22" (1/1) ...
[2024-11-24 02:07:22,470 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:07:22" (1/1) ...
[2024-11-24 02:07:22,485 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:07:22" (1/1) ...
[2024-11-24 02:07:22,486 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:07:22" (1/1) ...
[2024-11-24 02:07:22,490 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:07:22" (1/1) ...
[2024-11-24 02:07:22,494 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:07:22" (1/1) ...
[2024-11-24 02:07:22,495 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:07:22" (1/1) ...
[2024-11-24 02:07:22,501 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 02:07:22,502 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 02:07:22,502 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 02:07:22,506 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 02:07:22,507 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:07:22" (1/1) ...
[2024-11-24 02:07:22,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 02:07:22,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dce6d1-da09-4f6a-be69-f80564e20870/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 02:07:22,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dce6d1-da09-4f6a-be69-f80564e20870/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 02:07:22,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dce6d1-da09-4f6a-be69-f80564e20870/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 02:07:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 02:07:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-24 02:07:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-24 02:07:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-24 02:07:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-24 02:07:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0
[2024-11-24 02:07:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1
[2024-11-24 02:07:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2
[2024-11-24 02:07:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 02:07:22,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 02:07:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0
[2024-11-24 02:07:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1
[2024-11-24 02:07:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2
[2024-11-24 02:07:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-24 02:07:22,698 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 02:07:22,701 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 02:07:22,894 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live.
[2024-11-24 02:07:22,894 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 02:07:22,905 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 02:07:22,906 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-24 02:07:22,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:07:22 BoogieIcfgContainer
[2024-11-24 02:07:22,907 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 02:07:22,909 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 02:07:22,909 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 02:07:22,916 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 02:07:22,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 02:07:22" (1/3) ...
[2024-11-24 02:07:22,917 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d74418c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:07:22, skipping insertion in model container
[2024-11-24 02:07:22,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:07:22" (2/3) ...
[2024-11-24 02:07:22,918 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d74418c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:07:22, skipping insertion in model container
[2024-11-24 02:07:22,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:07:22" (3/3) ...
[2024-11-24 02:07:22,920 INFO L128 eAbstractionObserver]: Analyzing ICFG interpolation.c
[2024-11-24 02:07:22,940 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 02:07:22,942 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG interpolation.c that has 1 procedures, 21 locations, 1 initial locations, 1 loop locations, and 2 error locations.
[2024-11-24 02:07:23,019 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 02:07:23,040 INFO L333 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, 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;@578ae6e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 02:07:23,040 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-24 02:07:23,045 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 20 states have internal predecessors, (26), 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)
[2024-11-24 02:07:23,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-11-24 02:07:23,053 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:07:23,055 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:07:23,056 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-24 02:07:23,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:07:23,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1236169840, now seen corresponding path program 1 times
[2024-11-24 02:07:23,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:07:23,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879002066]
[2024-11-24 02:07:23,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:07:23,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:07:23,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:07:23,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:07:23,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:07:23,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879002066]
[2024-11-24 02:07:23,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879002066] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:07:23,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:07:23,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 02:07:23,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093054426]
[2024-11-24 02:07:23,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:07:23,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-24 02:07:23,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:07:23,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-24 02:07:23,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 02:07:23,337 INFO L87 Difference]: Start difference. First operand has 21 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 20 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:07:23,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:07:23,350 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions.
[2024-11-24 02:07:23,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-24 02:07:23,352 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2024-11-24 02:07:23,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:07:23,360 INFO L225 Difference]: With dead ends: 36
[2024-11-24 02:07:23,360 INFO L226 Difference]: Without dead ends: 13
[2024-11-24 02:07:23,364 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 02:07:23,368 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 02:07:23,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 02:07:23,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states.
[2024-11-24 02:07:23,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13.
[2024-11-24 02:07:23,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:07:23,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions.
[2024-11-24 02:07:23,413 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 10
[2024-11-24 02:07:23,414 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:07:23,414 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions.
[2024-11-24 02:07:23,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:07:23,415 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions.
[2024-11-24 02:07:23,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-11-24 02:07:23,416 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:07:23,416 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:07:23,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-24 02:07:23,417 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-24 02:07:23,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:07:23,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1178911538, now seen corresponding path program 1 times
[2024-11-24 02:07:23,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:07:23,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318799294]
[2024-11-24 02:07:23,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:07:23,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:07:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:07:23,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:07:23,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:07:23,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318799294]
[2024-11-24 02:07:23,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318799294] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:07:23,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:07:23,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 02:07:23,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019949978]
[2024-11-24 02:07:23,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:07:23,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 02:07:23,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:07:23,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 02:07:23,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 02:07:23,643 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:07:23,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:07:23,689 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions.
[2024-11-24 02:07:23,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 02:07:23,690 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2024-11-24 02:07:23,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:07:23,691 INFO L225 Difference]: With dead ends: 20
[2024-11-24 02:07:23,691 INFO L226 Difference]: Without dead ends: 18
[2024-11-24 02:07:23,691 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 02:07:23,692 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 1 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 02:07:23,693 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 22 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 02:07:23,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states.
[2024-11-24 02:07:23,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18.
[2024-11-24 02:07:23,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:07:23,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions.
[2024-11-24 02:07:23,698 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 10
[2024-11-24 02:07:23,699 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:07:23,699 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions.
[2024-11-24 02:07:23,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:07:23,699 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions.
[2024-11-24 02:07:23,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2024-11-24 02:07:23,700 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:07:23,700 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:07:23,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-24 02:07:23,701 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-24 02:07:23,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:07:23,702 INFO L85 PathProgramCache]: Analyzing trace with hash -383973159, now seen corresponding path program 1 times
[2024-11-24 02:07:23,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:07:23,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826274284]
[2024-11-24 02:07:23,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:07:23,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:07:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:07:24,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:07:24,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:07:24,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826274284]
[2024-11-24 02:07:24,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826274284] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 02:07:24,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952774964]
[2024-11-24 02:07:24,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:07:24,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 02:07:24,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dce6d1-da09-4f6a-be69-f80564e20870/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 02:07:24,045 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dce6d1-da09-4f6a-be69-f80564e20870/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 02:07:24,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dce6d1-da09-4f6a-be69-f80564e20870/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-24 02:07:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:07:24,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-24 02:07:24,158 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 02:07:24,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:07:24,279 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 02:07:24,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952774964] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:07:24,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-24 02:07:24,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-11-24 02:07:24,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260935661]
[2024-11-24 02:07:24,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:07:24,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 02:07:24,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:07:24,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 02:07:24,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-24 02:07:24,283 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:07:24,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:07:24,356 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions.
[2024-11-24 02:07:24,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 02:07:24,357 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15
[2024-11-24 02:07:24,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:07:24,358 INFO L225 Difference]: With dead ends: 18
[2024-11-24 02:07:24,359 INFO L226 Difference]: Without dead ends: 17
[2024-11-24 02:07:24,359 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-24 02:07:24,360 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 1 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 02:07:24,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 23 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 02:07:24,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states.
[2024-11-24 02:07:24,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17.
[2024-11-24 02:07:24,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.125) internal successors, (18), 16 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:07:24,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions.
[2024-11-24 02:07:24,371 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 15
[2024-11-24 02:07:24,371 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:07:24,371 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions.
[2024-11-24 02:07:24,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:07:24,371 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions.
[2024-11-24 02:07:24,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2024-11-24 02:07:24,372 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:07:24,372 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:07:24,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dce6d1-da09-4f6a-be69-f80564e20870/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-24 02:07:24,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dce6d1-da09-4f6a-be69-f80564e20870/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 02:07:24,573 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-24 02:07:24,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:07:24,574 INFO L85 PathProgramCache]: Analyzing trace with hash 981734024, now seen corresponding path program 1 times
[2024-11-24 02:07:24,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:07:24,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066157978]
[2024-11-24 02:07:24,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:07:24,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:07:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:07:24,728 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:07:24,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:07:24,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066157978]
[2024-11-24 02:07:24,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066157978] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 02:07:24,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572416754]
[2024-11-24 02:07:24,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:07:24,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 02:07:24,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dce6d1-da09-4f6a-be69-f80564e20870/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 02:07:24,731 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dce6d1-da09-4f6a-be69-f80564e20870/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 02:07:24,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dce6d1-da09-4f6a-be69-f80564e20870/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-24 02:07:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:07:24,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-24 02:07:24,813 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 02:07:24,882 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:07:24,882 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 02:07:24,986 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:07:24,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572416754] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 02:07:24,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-24 02:07:24,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11
[2024-11-24 02:07:24,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970199185]
[2024-11-24 02:07:24,990 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-24 02:07:24,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-24 02:07:24,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:07:24,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-24 02:07:24,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2024-11-24 02:07:24,992 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand has 12 states, 11 states have (on average 3.0) internal successors, (33), 12 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:07:25,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:07:25,059 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions.
[2024-11-24 02:07:25,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-24 02:07:25,060 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.0) internal successors, (33), 12 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16
[2024-11-24 02:07:25,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:07:25,060 INFO L225 Difference]: With dead ends: 23
[2024-11-24 02:07:25,060 INFO L226 Difference]: Without dead ends: 0
[2024-11-24 02:07:25,061 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2024-11-24 02:07:25,062 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 02:07:25,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 02:07:25,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-24 02:07:25,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-24 02:07:25,066 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)
[2024-11-24 02:07:25,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-24 02:07:25,066 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16
[2024-11-24 02:07:25,066 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:07:25,067 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-24 02:07:25,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.0) internal successors, (33), 12 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:07:25,067 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-24 02:07:25,067 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-24 02:07:25,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-24 02:07:25,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-24 02:07:25,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dce6d1-da09-4f6a-be69-f80564e20870/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-24 02:07:25,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dce6d1-da09-4f6a-be69-f80564e20870/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 02:07:25,274 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-24 02:07:25,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-24 02:07:25,318 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 02:07:25,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 02:07:25 BoogieIcfgContainer
[2024-11-24 02:07:25,331 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 02:07:25,331 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 02:07:25,331 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-24 02:07:25,332 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-24 02:07:25,332 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:07:22" (3/4) ...
[2024-11-24 02:07:25,334 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-11-24 02:07:25,340 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-11-24 02:07:25,341 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-24 02:07:25,341 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-24 02:07:25,341 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-24 02:07:25,449 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dce6d1-da09-4f6a-be69-f80564e20870/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-24 02:07:25,449 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dce6d1-da09-4f6a-be69-f80564e20870/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-24 02:07:25,449 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 02:07:25,450 INFO L158 Benchmark]: Toolchain (without parser) took 3407.84ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 41.7MB in the end (delta: 42.8MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB.
[2024-11-24 02:07:25,450 INFO L158 Benchmark]: CDTParser took 2.23ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 02:07:25,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.03ms. Allocated memory is still 117.4MB. Free memory was 84.2MB in the beginning and 73.1MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 02:07:25,451 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.70ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 71.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 02:07:25,451 INFO L158 Benchmark]: Boogie Preprocessor took 74.59ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 70.2MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 02:07:25,452 INFO L158 Benchmark]: RCFGBuilder took 404.91ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 59.2MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 02:07:25,452 INFO L158 Benchmark]: TraceAbstraction took 2421.50ms. Allocated memory is still 117.4MB. Free memory was 58.6MB in the beginning and 46.7MB in the end (delta: 12.0MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB.
[2024-11-24 02:07:25,452 INFO L158 Benchmark]: Witness Printer took 117.99ms. Allocated memory is still 117.4MB. Free memory was 46.7MB in the beginning and 41.7MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 02:07:25,458 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 2.23ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 328.03ms. Allocated memory is still 117.4MB. Free memory was 84.2MB in the beginning and 73.1MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 52.70ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 71.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 74.59ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 70.2MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 404.91ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 59.2MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 2421.50ms. Allocated memory is still 117.4MB. Free memory was 58.6MB in the beginning and 46.7MB in the end (delta: 12.0MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB.
* Witness Printer took 117.99ms. Allocated memory is still 117.4MB. Free memory was 46.7MB in the beginning and 41.7MB in the end (delta: 4.9MB). There was no memory consumed. 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: 21]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 21]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 91 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 46 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 82 IncrementalHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 45 mSDtfsCounter, 82 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 195 SizeOfPredicates, 0 NumberOfNonLiveVariables, 145 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 4/23 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, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
2 specifications checked. All of them hold
- InvariantResult [Line: 21]: Loop Invariant
Derived loop invariant: ((i == 0) || ((1 <= i) && (i <= 2147483646)))
RESULT: Ultimate proved your program to be correct!
[2024-11-24 02:07:25,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dce6d1-da09-4f6a-be69-f80564e20870/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE