./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/cstrcat-alloca-1.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7aef49-0f13-48fa-aa96-07a72054d987/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7aef49-0f13-48fa-aa96-07a72054d987/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7aef49-0f13-48fa-aa96-07a72054d987/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7aef49-0f13-48fa-aa96-07a72054d987/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/cstrcat-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7aef49-0f13-48fa-aa96-07a72054d987/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7aef49-0f13-48fa-aa96-07a72054d987/bin/uautomizer-verify-84ZbGMXZE1 --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 64bit --witnessprinter.graph.data.programhash 559e107295e09fd2cab38095fb07c9788049644cdf9fb643aef126dd533f8d97
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-01 23:02:07,430 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-01 23:02:07,486 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7aef49-0f13-48fa-aa96-07a72054d987/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-12-01 23:02:07,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-01 23:02:07,492 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-01 23:02:07,513 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-01 23:02:07,514 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-01 23:02:07,514 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-01 23:02:07,514 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-01 23:02:07,514 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-01 23:02:07,515 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-01 23:02:07,515 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-01 23:02:07,515 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-01 23:02:07,515 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-01 23:02:07,515 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-01 23:02:07,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-01 23:02:07,515 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-01 23:02:07,515 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-01 23:02:07,516 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-01 23:02:07,516 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-01 23:02:07,516 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-01 23:02:07,516 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-01 23:02:07,516 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-01 23:02:07,516 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-01 23:02:07,516 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-01 23:02:07,516 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-01 23:02:07,516 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-01 23:02:07,516 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-01 23:02:07,516 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-01 23:02:07,516 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-01 23:02:07,517 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-01 23:02:07,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-01 23:02:07,517 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-01 23:02:07,517 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-01 23:02:07,517 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-01 23:02:07,517 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-01 23:02:07,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-01 23:02:07,517 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-01 23:02:07,517 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-01 23:02:07,517 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-01 23:02:07,517 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-01 23:02:07,517 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-01 23:02:07,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-01 23:02:07,518 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-01 23:02:07,518 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-01 23:02:07,518 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-01 23:02:07,518 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-01 23:02:07,518 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_fa7aef49-0f13-48fa-aa96-07a72054d987/bin/uautomizer-verify-84ZbGMXZE1
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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 559e107295e09fd2cab38095fb07c9788049644cdf9fb643aef126dd533f8d97
[2024-12-01 23:02:07,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-01 23:02:07,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-01 23:02:07,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-01 23:02:07,761 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-01 23:02:07,762 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-01 23:02:07,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7aef49-0f13-48fa-aa96-07a72054d987/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/termination-memory-alloca/cstrcat-alloca-1.i
[2024-12-01 23:02:10,385 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7aef49-0f13-48fa-aa96-07a72054d987/bin/uautomizer-verify-84ZbGMXZE1/data/241459947/c1652d7f5b4f4b2bbf0ab4df6cdd5f67/FLAG0a71f7546
[2024-12-01 23:02:10,630 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-01 23:02:10,630 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7aef49-0f13-48fa-aa96-07a72054d987/sv-benchmarks/c/termination-memory-alloca/cstrcat-alloca-1.i
[2024-12-01 23:02:10,640 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7aef49-0f13-48fa-aa96-07a72054d987/bin/uautomizer-verify-84ZbGMXZE1/data/241459947/c1652d7f5b4f4b2bbf0ab4df6cdd5f67/FLAG0a71f7546
[2024-12-01 23:02:10,976 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7aef49-0f13-48fa-aa96-07a72054d987/bin/uautomizer-verify-84ZbGMXZE1/data/241459947/c1652d7f5b4f4b2bbf0ab4df6cdd5f67
[2024-12-01 23:02:10,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-01 23:02:10,979 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-01 23:02:10,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-01 23:02:10,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-01 23:02:10,984 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-01 23:02:10,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:02:10" (1/1) ...
[2024-12-01 23:02:10,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f1defd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:02:10, skipping insertion in model container
[2024-12-01 23:02:10,986 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:02:10" (1/1) ...
[2024-12-01 23:02:11,012 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-01 23:02:11,215 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-01 23:02:11,221 INFO L200 MainTranslator]: Completed pre-run
[2024-12-01 23:02:11,248 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-01 23:02:11,271 INFO L204 MainTranslator]: Completed translation
[2024-12-01 23:02:11,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:02:11 WrapperNode
[2024-12-01 23:02:11,272 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-01 23:02:11,273 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-01 23:02:11,273 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-01 23:02:11,273 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-01 23:02:11,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:02:11" (1/1) ...
[2024-12-01 23:02:11,289 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:02:11" (1/1) ...
[2024-12-01 23:02:11,306 INFO L138 Inliner]: procedures = 111, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77
[2024-12-01 23:02:11,306 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-01 23:02:11,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-01 23:02:11,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-01 23:02:11,307 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-01 23:02:11,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:02:11" (1/1) ...
[2024-12-01 23:02:11,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:02:11" (1/1) ...
[2024-12-01 23:02:11,315 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:02:11" (1/1) ...
[2024-12-01 23:02:11,323 INFO L175 MemorySlicer]: Split 5 memory accesses to 2 slices as follows [3, 2]. 60 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 3 writes are split as follows [2, 1].
[2024-12-01 23:02:11,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:02:11" (1/1) ...
[2024-12-01 23:02:11,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:02:11" (1/1) ...
[2024-12-01 23:02:11,327 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:02:11" (1/1) ...
[2024-12-01 23:02:11,328 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:02:11" (1/1) ...
[2024-12-01 23:02:11,330 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:02:11" (1/1) ...
[2024-12-01 23:02:11,331 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:02:11" (1/1) ...
[2024-12-01 23:02:11,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:02:11" (1/1) ...
[2024-12-01 23:02:11,333 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-01 23:02:11,334 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-01 23:02:11,334 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-01 23:02:11,334 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-01 23:02:11,334 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:02:11" (1/1) ...
[2024-12-01 23:02:11,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-01 23:02:11,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7aef49-0f13-48fa-aa96-07a72054d987/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:02:11,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7aef49-0f13-48fa-aa96-07a72054d987/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-01 23:02:11,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7aef49-0f13-48fa-aa96-07a72054d987/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-01 23:02:11,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-12-01 23:02:11,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-12-01 23:02:11,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-12-01 23:02:11,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-12-01 23:02:11,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-12-01 23:02:11,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-12-01 23:02:11,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-01 23:02:11,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-01 23:02:11,477 INFO L234 CfgBuilder]: Building ICFG
[2024-12-01 23:02:11,478 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-01 23:02:11,588 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live.
[2024-12-01 23:02:11,588 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-01 23:02:11,597 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-01 23:02:11,597 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-01 23:02:11,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:02:11 BoogieIcfgContainer
[2024-12-01 23:02:11,597 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-01 23:02:11,600 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-01 23:02:11,600 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-01 23:02:11,604 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-01 23:02:11,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:02:10" (1/3) ...
[2024-12-01 23:02:11,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab202cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:02:11, skipping insertion in model container
[2024-12-01 23:02:11,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:02:11" (2/3) ...
[2024-12-01 23:02:11,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab202cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:02:11, skipping insertion in model container
[2024-12-01 23:02:11,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:02:11" (3/3) ...
[2024-12-01 23:02:11,606 INFO L128 eAbstractionObserver]: Analyzing ICFG cstrcat-alloca-1.i
[2024-12-01 23:02:11,622 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-01 23:02:11,623 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cstrcat-alloca-1.i that has 1 procedures, 28 locations, 1 initial locations, 2 loop locations, and 6 error locations.
[2024-12-01 23:02:11,673 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-01 23:02:11,685 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;@7c72e470, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-01 23:02:11,685 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2024-12-01 23:02:11,688 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 21 states have (on average 1.6666666666666667) internal successors, (35), 27 states have internal predecessors, (35), 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)
[2024-12-01 23:02:11,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-12-01 23:02:11,693 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:02:11,693 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-12-01 23:02:11,693 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-12-01 23:02:11,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:02:11,697 INFO L85 PathProgramCache]: Analyzing trace with hash 889510797, now seen corresponding path program 1 times
[2024-12-01 23:02:11,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:02:11,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116505067]
[2024-12-01 23:02:11,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:02:11,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:02:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:02:11,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:02:11,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:02:11,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116505067]
[2024-12-01 23:02:11,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116505067] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:02:11,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:02:11,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-01 23:02:11,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032455867]
[2024-12-01 23:02:11,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:02:11,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:02:11,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:02:11,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:02:11,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:02:11,883 INFO L87 Difference]: Start difference. First operand has 28 states, 21 states have (on average 1.6666666666666667) internal successors, (35), 27 states have internal predecessors, (35), 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 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:02:11,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:02:11,956 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions.
[2024-12-01 23:02:11,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-01 23:02:11,958 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2024-12-01 23:02:11,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:02:11,964 INFO L225 Difference]: With dead ends: 39
[2024-12-01 23:02:11,964 INFO L226 Difference]: Without dead ends: 21
[2024-12-01 23:02:11,967 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:02:11,969 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 8 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:02:11,970 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 65 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:02:11,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states.
[2024-12-01 23:02:11,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19.
[2024-12-01 23:02:11,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 18 states have internal predecessors, (21), 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)
[2024-12-01 23:02:11,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions.
[2024-12-01 23:02:11,998 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 6
[2024-12-01 23:02:11,998 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:02:11,998 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions.
[2024-12-01 23:02:11,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:02:11,998 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions.
[2024-12-01 23:02:11,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-12-01 23:02:11,999 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:02:11,999 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-12-01 23:02:11,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-01 23:02:11,999 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-12-01 23:02:12,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:02:12,000 INFO L85 PathProgramCache]: Analyzing trace with hash 889510859, now seen corresponding path program 1 times
[2024-12-01 23:02:12,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:02:12,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880308666]
[2024-12-01 23:02:12,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:02:12,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:02:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:02:12,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:02:12,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:02:12,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880308666]
[2024-12-01 23:02:12,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880308666] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:02:12,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:02:12,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-01 23:02:12,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414198986]
[2024-12-01 23:02:12,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:02:12,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:02:12,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:02:12,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:02:12,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:02:12,062 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:02:12,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:02:12,109 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions.
[2024-12-01 23:02:12,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-01 23:02:12,110 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2024-12-01 23:02:12,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:02:12,110 INFO L225 Difference]: With dead ends: 21
[2024-12-01 23:02:12,110 INFO L226 Difference]: Without dead ends: 18
[2024-12-01 23:02:12,111 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:02:12,111 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 14 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:02:12,112 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 18 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:02:12,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states.
[2024-12-01 23:02:12,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 15.
[2024-12-01 23:02:12,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 14 states have internal predecessors, (17), 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)
[2024-12-01 23:02:12,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions.
[2024-12-01 23:02:12,115 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 6
[2024-12-01 23:02:12,115 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:02:12,115 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions.
[2024-12-01 23:02:12,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:02:12,115 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions.
[2024-12-01 23:02:12,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-12-01 23:02:12,115 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:02:12,115 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:02:12,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-01 23:02:12,116 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-12-01 23:02:12,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:02:12,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1805030985, now seen corresponding path program 1 times
[2024-12-01 23:02:12,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:02:12,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488672954]
[2024-12-01 23:02:12,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:02:12,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:02:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:02:12,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:02:12,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:02:12,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488672954]
[2024-12-01 23:02:12,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488672954] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:02:12,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:02:12,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-01 23:02:12,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417441324]
[2024-12-01 23:02:12,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:02:12,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:02:12,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:02:12,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:02:12,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:02:12,166 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:02:12,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:02:12,215 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions.
[2024-12-01 23:02:12,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-01 23:02:12,216 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2024-12-01 23:02:12,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:02:12,216 INFO L225 Difference]: With dead ends: 20
[2024-12-01 23:02:12,216 INFO L226 Difference]: Without dead ends: 19
[2024-12-01 23:02:12,216 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:02:12,217 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 5 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 31 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
[2024-12-01 23:02:12,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 31 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:02:12,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2024-12-01 23:02:12,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18.
[2024-12-01 23:02:12,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.5) internal successors, (21), 17 states have internal predecessors, (21), 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)
[2024-12-01 23:02:12,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions.
[2024-12-01 23:02:12,221 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 7
[2024-12-01 23:02:12,221 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:02:12,221 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions.
[2024-12-01 23:02:12,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:02:12,221 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions.
[2024-12-01 23:02:12,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-12-01 23:02:12,228 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:02:12,228 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:02:12,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-01 23:02:12,229 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-12-01 23:02:12,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:02:12,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1805090567, now seen corresponding path program 1 times
[2024-12-01 23:02:12,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:02:12,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456491207]
[2024-12-01 23:02:12,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:02:12,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:02:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:02:12,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:02:12,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:02:12,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456491207]
[2024-12-01 23:02:12,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456491207] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:02:12,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:02:12,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-01 23:02:12,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029477043]
[2024-12-01 23:02:12,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:02:12,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:02:12,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:02:12,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:02:12,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:02:12,274 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:02:12,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:02:12,298 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions.
[2024-12-01 23:02:12,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-01 23:02:12,298 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2024-12-01 23:02:12,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:02:12,299 INFO L225 Difference]: With dead ends: 18
[2024-12-01 23:02:12,299 INFO L226 Difference]: Without dead ends: 17
[2024-12-01 23:02:12,299 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-01 23:02:12,300 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:02:12,300 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 24 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:02:12,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states.
[2024-12-01 23:02:12,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 14.
[2024-12-01 23:02:12,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:02:12,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions.
[2024-12-01 23:02:12,302 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 7
[2024-12-01 23:02:12,302 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:02:12,302 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions.
[2024-12-01 23:02:12,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:02:12,303 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions.
[2024-12-01 23:02:12,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-12-01 23:02:12,303 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:02:12,303 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:02:12,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-01 23:02:12,303 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-12-01 23:02:12,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:02:12,304 INFO L85 PathProgramCache]: Analyzing trace with hash -532009109, now seen corresponding path program 1 times
[2024-12-01 23:02:12,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:02:12,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712269422]
[2024-12-01 23:02:12,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:02:12,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:02:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:02:12,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:02:12,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:02:12,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712269422]
[2024-12-01 23:02:12,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712269422] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:02:12,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:02:12,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-01 23:02:12,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847447190]
[2024-12-01 23:02:12,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:02:12,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 23:02:12,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:02:12,357 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 23:02:12,357 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:02:12,357 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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)
[2024-12-01 23:02:12,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:02:12,370 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions.
[2024-12-01 23:02:12,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 23:02:12,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9
[2024-12-01 23:02:12,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:02:12,371 INFO L225 Difference]: With dead ends: 14
[2024-12-01 23:02:12,371 INFO L226 Difference]: Without dead ends: 13
[2024-12-01 23:02:12,371 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:02:12,372 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 3 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:02:12,372 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:02:12,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states.
[2024-12-01 23:02:12,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13.
[2024-12-01 23:02:12,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:02:12,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions.
[2024-12-01 23:02:12,374 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 9
[2024-12-01 23:02:12,374 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:02:12,374 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions.
[2024-12-01 23:02:12,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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)
[2024-12-01 23:02:12,374 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions.
[2024-12-01 23:02:12,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-12-01 23:02:12,374 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:02:12,375 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:02:12,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-01 23:02:12,375 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-12-01 23:02:12,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:02:12,375 INFO L85 PathProgramCache]: Analyzing trace with hash 687586868, now seen corresponding path program 1 times
[2024-12-01 23:02:12,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:02:12,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746818822]
[2024-12-01 23:02:12,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:02:12,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:02:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:02:12,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:02:12,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:02:12,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746818822]
[2024-12-01 23:02:12,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746818822] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:02:12,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:02:12,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-01 23:02:12,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560279147]
[2024-12-01 23:02:12,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:02:12,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 23:02:12,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:02:12,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 23:02:12,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:02:12,421 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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)
[2024-12-01 23:02:12,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:02:12,436 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions.
[2024-12-01 23:02:12,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 23:02:12,437 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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
[2024-12-01 23:02:12,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:02:12,437 INFO L225 Difference]: With dead ends: 21
[2024-12-01 23:02:12,437 INFO L226 Difference]: Without dead ends: 20
[2024-12-01 23:02:12,437 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:02:12,438 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 2 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:02:12,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 20 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:02:12,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states.
[2024-12-01 23:02:12,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20.
[2024-12-01 23:02:12,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 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)
[2024-12-01 23:02:12,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions.
[2024-12-01 23:02:12,441 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 10
[2024-12-01 23:02:12,441 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:02:12,441 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions.
[2024-12-01 23:02:12,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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)
[2024-12-01 23:02:12,441 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions.
[2024-12-01 23:02:12,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-12-01 23:02:12,442 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:02:12,442 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:02:12,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-01 23:02:12,442 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-12-01 23:02:12,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:02:12,442 INFO L85 PathProgramCache]: Analyzing trace with hash -121759758, now seen corresponding path program 1 times
[2024-12-01 23:02:12,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:02:12,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322191677]
[2024-12-01 23:02:12,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:02:12,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:02:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:02:12,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:02:12,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:02:12,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322191677]
[2024-12-01 23:02:12,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322191677] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:02:12,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:02:12,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-01 23:02:12,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252159431]
[2024-12-01 23:02:12,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:02:12,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 23:02:12,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:02:12,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 23:02:12,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:02:12,484 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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)
[2024-12-01 23:02:12,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:02:12,494 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions.
[2024-12-01 23:02:12,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 23:02:12,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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
[2024-12-01 23:02:12,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:02:12,495 INFO L225 Difference]: With dead ends: 20
[2024-12-01 23:02:12,495 INFO L226 Difference]: Without dead ends: 19
[2024-12-01 23:02:12,495 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:02:12,496 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 2 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:02:12,496 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:02:12,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2024-12-01 23:02:12,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 12.
[2024-12-01 23:02:12,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 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)
[2024-12-01 23:02:12,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions.
[2024-12-01 23:02:12,498 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 10
[2024-12-01 23:02:12,498 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:02:12,498 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions.
[2024-12-01 23:02:12,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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)
[2024-12-01 23:02:12,499 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions.
[2024-12-01 23:02:12,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-12-01 23:02:12,499 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:02:12,499 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:02:12,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-01 23:02:12,499 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-12-01 23:02:12,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:02:12,500 INFO L85 PathProgramCache]: Analyzing trace with hash -159643507, now seen corresponding path program 1 times
[2024-12-01 23:02:12,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:02:12,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778156368]
[2024-12-01 23:02:12,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:02:12,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:02:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:02:12,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:02:12,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:02:12,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778156368]
[2024-12-01 23:02:12,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778156368] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:02:12,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:02:12,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-01 23:02:12,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94098453]
[2024-12-01 23:02:12,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:02:12,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 23:02:12,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:02:12,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 23:02:12,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:02:12,542 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:02:12,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:02:12,551 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions.
[2024-12-01 23:02:12,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 23:02:12,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2024-12-01 23:02:12,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:02:12,552 INFO L225 Difference]: With dead ends: 12
[2024-12-01 23:02:12,552 INFO L226 Difference]: Without dead ends: 0
[2024-12-01 23:02:12,552 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:02:12,553 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:02:12,553 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:02:12,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-01 23:02:12,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-01 23:02:12,554 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)
[2024-12-01 23:02:12,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-01 23:02:12,554 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11
[2024-12-01 23:02:12,554 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:02:12,554 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-01 23:02:12,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 23:02:12,554 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-01 23:02:12,554 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-01 23:02:12,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining)
[2024-12-01 23:02:12,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining)
[2024-12-01 23:02:12,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining)
[2024-12-01 23:02:12,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining)
[2024-12-01 23:02:12,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining)
[2024-12-01 23:02:12,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining)
[2024-12-01 23:02:12,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-01 23:02:12,560 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:02:12,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-01 23:02:12,573 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-01 23:02:12,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:02:12 BoogieIcfgContainer
[2024-12-01 23:02:12,583 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-01 23:02:12,584 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-01 23:02:12,584 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-01 23:02:12,584 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-01 23:02:12,585 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:02:11" (3/4) ...
[2024-12-01 23:02:12,587 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-01 23:02:12,593 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges
[2024-12-01 23:02:12,593 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-12-01 23:02:12,593 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-12-01 23:02:12,593 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-01 23:02:12,650 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7aef49-0f13-48fa-aa96-07a72054d987/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-01 23:02:12,650 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7aef49-0f13-48fa-aa96-07a72054d987/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-01 23:02:12,650 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-01 23:02:12,651 INFO L158 Benchmark]: Toolchain (without parser) took 1671.90ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 82.6MB in the end (delta: 33.4MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB.
[2024-12-01 23:02:12,651 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-01 23:02:12,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.29ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 99.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-01 23:02:12,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.45ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 97.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-01 23:02:12,652 INFO L158 Benchmark]: Boogie Preprocessor took 26.26ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 96.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-01 23:02:12,652 INFO L158 Benchmark]: RCFGBuilder took 264.05ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 83.7MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-01 23:02:12,653 INFO L158 Benchmark]: TraceAbstraction took 983.74ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 87.4MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-01 23:02:12,653 INFO L158 Benchmark]: Witness Printer took 66.69ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 82.6MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-01 23:02:12,654 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 292.29ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 99.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 33.45ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 97.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 26.26ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 96.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 264.05ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 83.7MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 983.74ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 87.4MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 66.69ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 82.6MB in the end (delta: 4.8MB). 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: 569]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 569]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 572]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 572]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 573]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 573]: 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, 28 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 197 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 93 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 108 IncrementalHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 104 mSDtfsCounter, 108 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, InterpolantAutomatonStates: 28, 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, 8 MinimizatonAttempts, 16 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 154 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 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
6 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-12-01 23:02:12,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7aef49-0f13-48fa-aa96-07a72054d987/bin/uautomizer-verify-84ZbGMXZE1/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