./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-examples/sorting_bubblesort_ground-2.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-examples/sorting_bubblesort_ground-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2719a9efd2165050483c20571c85746fdd7204d074459e12a38b31692a3fffb0
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 18:32:28,368 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 18:32:28,447 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-23 18:32:28,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 18:32:28,453 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 18:32:28,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 18:32:28,478 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 18:32:28,478 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 18:32:28,479 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 18:32:28,479 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 18:32:28,479 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 18:32:28,479 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 18:32:28,481 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 18:32:28,481 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 18:32:28,481 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 18:32:28,481 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 18:32:28,482 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 18:32:28,482 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 18:32:28,485 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 18:32:28,485 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 18:32:28,485 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 18:32:28,485 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 18:32:28,485 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 18:32:28,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 18:32:28,485 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-23 18:32:28,485 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-23 18:32:28,486 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 18:32:28,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 18:32:28,486 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 18:32:28,486 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 18:32:28,486 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 18:32:28,486 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 18:32:28,486 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 18:32:28,486 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 18:32:28,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:32:28,486 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 18:32:28,487 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 18:32:28,487 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 18:32:28,487 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 18:32:28,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:32:28,487 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 18:32:28,487 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 18:32:28,487 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 18:32:28,487 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 18:32:28,487 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 18:32:28,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 18:32:28,487 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 18:32:28,487 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 18:32:28,488 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 18:32:28,488 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 18:32:28,488 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_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2719a9efd2165050483c20571c85746fdd7204d074459e12a38b31692a3fffb0
[2024-11-23 18:32:28,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 18:32:28,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 18:32:28,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 18:32:28,851 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 18:32:28,851 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 18:32:28,852 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/array-examples/sorting_bubblesort_ground-2.i
[2024-11-23 18:32:32,042 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/data/9bb30e153/3739d8c51d6f424f8524ee458db22974/FLAGad70e2d7b
[2024-11-23 18:32:32,321 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 18:32:32,322 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/sv-benchmarks/c/array-examples/sorting_bubblesort_ground-2.i
[2024-11-23 18:32:32,333 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/data/9bb30e153/3739d8c51d6f424f8524ee458db22974/FLAGad70e2d7b
[2024-11-23 18:32:32,349 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/data/9bb30e153/3739d8c51d6f424f8524ee458db22974
[2024-11-23 18:32:32,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 18:32:32,353 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 18:32:32,355 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 18:32:32,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 18:32:32,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 18:32:32,361 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:32:32" (1/1) ...
[2024-11-23 18:32:32,362 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aaddfb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:32, skipping insertion in model container
[2024-11-23 18:32:32,363 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:32:32" (1/1) ...
[2024-11-23 18:32:32,380 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 18:32:32,543 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 18:32:32,552 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 18:32:32,570 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 18:32:32,582 INFO L204 MainTranslator]: Completed translation
[2024-11-23 18:32:32,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:32 WrapperNode
[2024-11-23 18:32:32,583 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 18:32:32,584 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 18:32:32,584 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 18:32:32,584 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 18:32:32,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:32" (1/1) ...
[2024-11-23 18:32:32,599 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:32" (1/1) ...
[2024-11-23 18:32:32,618 INFO L138 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 98
[2024-11-23 18:32:32,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 18:32:32,619 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 18:32:32,619 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 18:32:32,619 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 18:32:32,628 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:32" (1/1) ...
[2024-11-23 18:32:32,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:32" (1/1) ...
[2024-11-23 18:32:32,631 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:32" (1/1) ...
[2024-11-23 18:32:32,655 INFO L175 MemorySlicer]: Split 11 memory accesses to 2 slices as follows [2, 9]. 82 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 3 writes are split as follows [0, 3].
[2024-11-23 18:32:32,656 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:32" (1/1) ...
[2024-11-23 18:32:32,656 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:32" (1/1) ...
[2024-11-23 18:32:32,662 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:32" (1/1) ...
[2024-11-23 18:32:32,663 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:32" (1/1) ...
[2024-11-23 18:32:32,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:32" (1/1) ...
[2024-11-23 18:32:32,674 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:32" (1/1) ...
[2024-11-23 18:32:32,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:32" (1/1) ...
[2024-11-23 18:32:32,676 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 18:32:32,681 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 18:32:32,681 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 18:32:32,681 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 18:32:32,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:32" (1/1) ...
[2024-11-23 18:32:32,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:32:32,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:32:32,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 18:32:32,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 18:32:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 18:32:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-23 18:32:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-23 18:32:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-23 18:32:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-23 18:32:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-23 18:32:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 18:32:32,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 18:32:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-23 18:32:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-23 18:32:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-23 18:32:32,842 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 18:32:32,844 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 18:32:33,179 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live.
[2024-11-23 18:32:33,179 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 18:32:33,198 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 18:32:33,198 INFO L312 CfgBuilder]: Removed 5 assume(true) statements.
[2024-11-23 18:32:33,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:32:33 BoogieIcfgContainer
[2024-11-23 18:32:33,199 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 18:32:33,203 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 18:32:33,203 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 18:32:33,211 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 18:32:33,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:32:32" (1/3) ...
[2024-11-23 18:32:33,212 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f553cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:32:33, skipping insertion in model container
[2024-11-23 18:32:33,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:32" (2/3) ...
[2024-11-23 18:32:33,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f553cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:32:33, skipping insertion in model container
[2024-11-23 18:32:33,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:32:33" (3/3) ...
[2024-11-23 18:32:33,214 INFO L128 eAbstractionObserver]: Analyzing ICFG sorting_bubblesort_ground-2.i
[2024-11-23 18:32:33,232 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 18:32:33,234 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG sorting_bubblesort_ground-2.i that has 1 procedures, 56 locations, 1 initial locations, 5 loop locations, and 16 error locations.
[2024-11-23 18:32:33,297 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 18:32:33,311 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;@2a378005, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 18:32:33,311 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations.
[2024-11-23 18:32:33,315 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 39 states have (on average 1.7435897435897436) internal successors, (68), 55 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:33,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2024-11-23 18:32:33,321 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:32:33,321 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2024-11-23 18:32:33,322 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2024-11-23 18:32:33,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:32:33,327 INFO L85 PathProgramCache]: Analyzing trace with hash 28696806, now seen corresponding path program 1 times
[2024-11-23 18:32:33,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:32:33,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586488652]
[2024-11-23 18:32:33,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:33,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:32:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:33,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:32:33,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:32:33,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586488652]
[2024-11-23 18:32:33,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586488652] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:32:33,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:32:33,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:32:33,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673190346]
[2024-11-23 18:32:33,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:32:33,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:32:33,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:32:33,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:32:33,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:32:33,644 INFO L87 Difference]: Start difference. First operand has 56 states, 39 states have (on average 1.7435897435897436) internal successors, (68), 55 states have internal predecessors, (68), 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 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:33,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:32:33,724 INFO L93 Difference]: Finished difference Result 109 states and 133 transitions.
[2024-11-23 18:32:33,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 18:32:33,727 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5
[2024-11-23 18:32:33,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:32:33,735 INFO L225 Difference]: With dead ends: 109
[2024-11-23 18:32:33,735 INFO L226 Difference]: Without dead ends: 53
[2024-11-23 18:32:33,738 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:32:33,742 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 1 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-23 18:32:33,743 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 160 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-23 18:32:33,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states.
[2024-11-23 18:32:33,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53.
[2024-11-23 18:32:33,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 37 states have (on average 1.5675675675675675) internal successors, (58), 52 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:33,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions.
[2024-11-23 18:32:33,781 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 58 transitions. Word has length 5
[2024-11-23 18:32:33,781 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:32:33,781 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 58 transitions.
[2024-11-23 18:32:33,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:33,782 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions.
[2024-11-23 18:32:33,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-23 18:32:33,784 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:32:33,784 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1]
[2024-11-23 18:32:33,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 18:32:33,785 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2024-11-23 18:32:33,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:32:33,786 INFO L85 PathProgramCache]: Analyzing trace with hash -2138801440, now seen corresponding path program 1 times
[2024-11-23 18:32:33,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:32:33,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822431170]
[2024-11-23 18:32:33,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:33,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:32:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:34,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:32:34,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:32:34,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822431170]
[2024-11-23 18:32:34,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822431170] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 18:32:34,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123457125]
[2024-11-23 18:32:34,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:34,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:32:34,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:32:34,050 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 18:32:34,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-23 18:32:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:34,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-23 18:32:34,147 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 18:32:34,244 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:32:34,244 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 18:32:34,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1123457125] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:32:34,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-23 18:32:34,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-11-23 18:32:34,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106442542]
[2024-11-23 18:32:34,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:32:34,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 18:32:34,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:32:34,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 18:32:34,246 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-23 18:32:34,247 INFO L87 Difference]: Start difference. First operand 53 states and 58 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 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)
[2024-11-23 18:32:34,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:32:34,334 INFO L93 Difference]: Finished difference Result 53 states and 58 transitions.
[2024-11-23 18:32:34,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 18:32:34,338 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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
[2024-11-23 18:32:34,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:32:34,339 INFO L225 Difference]: With dead ends: 53
[2024-11-23 18:32:34,339 INFO L226 Difference]: Without dead ends: 52
[2024-11-23 18:32:34,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-23 18:32:34,340 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 1 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-23 18:32:34,341 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 229 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-23 18:32:34,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states.
[2024-11-23 18:32:34,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52.
[2024-11-23 18:32:34,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 37 states have (on average 1.5405405405405406) internal successors, (57), 51 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:34,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions.
[2024-11-23 18:32:34,353 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 9
[2024-11-23 18:32:34,353 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:32:34,353 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions.
[2024-11-23 18:32:34,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 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)
[2024-11-23 18:32:34,353 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions.
[2024-11-23 18:32:34,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-11-23 18:32:34,354 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:32:34,354 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1]
[2024-11-23 18:32:34,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-23 18:32:34,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1
[2024-11-23 18:32:34,555 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2024-11-23 18:32:34,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:32:34,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1878335154, now seen corresponding path program 1 times
[2024-11-23 18:32:34,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:32:34,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390536339]
[2024-11-23 18:32:34,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:34,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:32:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:34,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-23 18:32:34,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:32:34,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390536339]
[2024-11-23 18:32:34,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390536339] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:32:34,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:32:34,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:32:34,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597610794]
[2024-11-23 18:32:34,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:32:34,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:32:34,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:32:34,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:32:34,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:32:34,666 INFO L87 Difference]: Start difference. First operand 52 states and 57 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:34,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:32:34,705 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions.
[2024-11-23 18:32:34,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 18:32:34,709 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2024-11-23 18:32:34,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:32:34,710 INFO L225 Difference]: With dead ends: 52
[2024-11-23 18:32:34,710 INFO L226 Difference]: Without dead ends: 51
[2024-11-23 18:32:34,711 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:32:34,711 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 0 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 18:32:34,712 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 140 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 18:32:34,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2024-11-23 18:32:34,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 48.
[2024-11-23 18:32:34,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 34 states have (on average 1.5588235294117647) internal successors, (53), 47 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:34,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions.
[2024-11-23 18:32:34,722 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 10
[2024-11-23 18:32:34,722 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:32:34,722 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions.
[2024-11-23 18:32:34,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:34,722 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions.
[2024-11-23 18:32:34,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-23 18:32:34,723 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:32:34,723 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:32:34,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-23 18:32:34,723 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2024-11-23 18:32:34,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:32:34,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1128799141, now seen corresponding path program 1 times
[2024-11-23 18:32:34,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:32:34,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140894902]
[2024-11-23 18:32:34,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:34,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:32:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:34,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:32:34,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:32:34,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140894902]
[2024-11-23 18:32:34,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140894902] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 18:32:34,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253636488]
[2024-11-23 18:32:34,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:34,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:32:34,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:32:34,819 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 18:32:34,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-23 18:32:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:34,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-23 18:32:34,895 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 18:32:34,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-23 18:32:34,913 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 18:32:34,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253636488] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:32:34,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-23 18:32:34,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6
[2024-11-23 18:32:34,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080229465]
[2024-11-23 18:32:34,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:32:34,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:32:34,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:32:34,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:32:34,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-23 18:32:34,917 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:34,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:32:34,976 INFO L93 Difference]: Finished difference Result 48 states and 53 transitions.
[2024-11-23 18:32:34,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:32:34,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12
[2024-11-23 18:32:34,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:32:34,979 INFO L225 Difference]: With dead ends: 48
[2024-11-23 18:32:34,980 INFO L226 Difference]: Without dead ends: 44
[2024-11-23 18:32:34,980 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-23 18:32:34,981 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 9 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-23 18:32:34,981 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 62 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-23 18:32:34,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states.
[2024-11-23 18:32:34,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44.
[2024-11-23 18:32:34,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 43 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:34,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions.
[2024-11-23 18:32:34,987 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 12
[2024-11-23 18:32:34,987 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:32:34,987 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions.
[2024-11-23 18:32:34,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:34,987 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions.
[2024-11-23 18:32:34,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-23 18:32:34,988 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:32:34,988 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:32:34,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-11-23 18:32:35,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:32:35,189 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2024-11-23 18:32:35,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:32:35,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1128700832, now seen corresponding path program 1 times
[2024-11-23 18:32:35,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:32:35,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692280199]
[2024-11-23 18:32:35,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:35,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:32:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:35,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:32:35,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:32:35,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692280199]
[2024-11-23 18:32:35,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692280199] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 18:32:35,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949415204]
[2024-11-23 18:32:35,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:35,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:32:35,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:32:35,305 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 18:32:35,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-23 18:32:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:35,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-23 18:32:35,351 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 18:32:35,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-23 18:32:35,363 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 18:32:35,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949415204] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:32:35,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-23 18:32:35,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6
[2024-11-23 18:32:35,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114459063]
[2024-11-23 18:32:35,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:32:35,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:32:35,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:32:35,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:32:35,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-23 18:32:35,365 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:35,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:32:35,379 INFO L93 Difference]: Finished difference Result 79 states and 88 transitions.
[2024-11-23 18:32:35,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:32:35,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12
[2024-11-23 18:32:35,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:32:35,384 INFO L225 Difference]: With dead ends: 79
[2024-11-23 18:32:35,384 INFO L226 Difference]: Without dead ends: 60
[2024-11-23 18:32:35,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-23 18:32:35,385 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 16 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 18:32:35,389 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 106 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 18:32:35,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2024-11-23 18:32:35,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 52.
[2024-11-23 18:32:35,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 51 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:35,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 61 transitions.
[2024-11-23 18:32:35,399 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 61 transitions. Word has length 12
[2024-11-23 18:32:35,399 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:32:35,399 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 61 transitions.
[2024-11-23 18:32:35,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:35,399 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions.
[2024-11-23 18:32:35,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-23 18:32:35,402 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:32:35,402 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:32:35,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-23 18:32:35,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:32:35,603 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2024-11-23 18:32:35,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:32:35,603 INFO L85 PathProgramCache]: Analyzing trace with hash -633034930, now seen corresponding path program 1 times
[2024-11-23 18:32:35,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:32:35,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120810285]
[2024-11-23 18:32:35,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:35,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:32:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:35,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:32:35,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:32:35,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120810285]
[2024-11-23 18:32:35,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120810285] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 18:32:35,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278559161]
[2024-11-23 18:32:35,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:35,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:32:35,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:32:35,670 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 18:32:35,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-23 18:32:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:35,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-23 18:32:35,726 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 18:32:35,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-23 18:32:35,747 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 18:32:35,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278559161] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:32:35,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-23 18:32:35,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6
[2024-11-23 18:32:35,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960900820]
[2024-11-23 18:32:35,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:32:35,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:32:35,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:32:35,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:32:35,749 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-23 18:32:35,749 INFO L87 Difference]: Start difference. First operand 52 states and 61 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:35,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:32:35,822 INFO L93 Difference]: Finished difference Result 108 states and 132 transitions.
[2024-11-23 18:32:35,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:32:35,823 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 13
[2024-11-23 18:32:35,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:32:35,824 INFO L225 Difference]: With dead ends: 108
[2024-11-23 18:32:35,824 INFO L226 Difference]: Without dead ends: 64
[2024-11-23 18:32:35,824 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-23 18:32:35,826 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 8 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-23 18:32:35,828 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 68 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-23 18:32:35,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states.
[2024-11-23 18:32:35,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64.
[2024-11-23 18:32:35,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 63 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:35,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 74 transitions.
[2024-11-23 18:32:35,837 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 74 transitions. Word has length 13
[2024-11-23 18:32:35,838 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:32:35,838 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 74 transitions.
[2024-11-23 18:32:35,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:35,838 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 74 transitions.
[2024-11-23 18:32:35,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2024-11-23 18:32:35,839 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:32:35,839 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:32:35,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-11-23 18:32:36,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:32:36,040 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2024-11-23 18:32:36,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:32:36,040 INFO L85 PathProgramCache]: Analyzing trace with hash -35470214, now seen corresponding path program 1 times
[2024-11-23 18:32:36,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:32:36,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359612264]
[2024-11-23 18:32:36,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:36,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:32:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:36,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-11-23 18:32:36,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:32:36,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359612264]
[2024-11-23 18:32:36,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359612264] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 18:32:36,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34574538]
[2024-11-23 18:32:36,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:36,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:32:36,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:32:36,164 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 18:32:36,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-23 18:32:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:36,270 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-23 18:32:36,271 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 18:32:36,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-23 18:32:36,285 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 18:32:36,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34574538] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:32:36,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-23 18:32:36,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6
[2024-11-23 18:32:36,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814906815]
[2024-11-23 18:32:36,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:32:36,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:32:36,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:32:36,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:32:36,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-23 18:32:36,287 INFO L87 Difference]: Start difference. First operand 64 states and 74 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:36,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:32:36,319 INFO L93 Difference]: Finished difference Result 64 states and 74 transitions.
[2024-11-23 18:32:36,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:32:36,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19
[2024-11-23 18:32:36,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:32:36,321 INFO L225 Difference]: With dead ends: 64
[2024-11-23 18:32:36,321 INFO L226 Difference]: Without dead ends: 60
[2024-11-23 18:32:36,321 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-23 18:32:36,322 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 8 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 18:32:36,322 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 63 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 18:32:36,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2024-11-23 18:32:36,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 49.
[2024-11-23 18:32:36,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 43 states have (on average 1.302325581395349) internal successors, (56), 48 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:36,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 56 transitions.
[2024-11-23 18:32:36,328 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 56 transitions. Word has length 19
[2024-11-23 18:32:36,328 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:32:36,328 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 56 transitions.
[2024-11-23 18:32:36,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:36,329 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions.
[2024-11-23 18:32:36,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2024-11-23 18:32:36,329 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:32:36,330 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:32:36,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-11-23 18:32:36,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:32:36,530 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2024-11-23 18:32:36,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:32:36,531 INFO L85 PathProgramCache]: Analyzing trace with hash -52116013, now seen corresponding path program 1 times
[2024-11-23 18:32:36,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:32:36,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426390710]
[2024-11-23 18:32:36,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:36,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:32:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:36,627 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-23 18:32:36,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:32:36,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426390710]
[2024-11-23 18:32:36,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426390710] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 18:32:36,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259783474]
[2024-11-23 18:32:36,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:36,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:32:36,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:32:36,633 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 18:32:36,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-23 18:32:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:36,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-23 18:32:36,700 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 18:32:36,721 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-11-23 18:32:36,721 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 18:32:36,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259783474] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:32:36,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-23 18:32:36,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6
[2024-11-23 18:32:36,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378880968]
[2024-11-23 18:32:36,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:32:36,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:32:36,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:32:36,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:32:36,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-23 18:32:36,723 INFO L87 Difference]: Start difference. First operand 49 states and 56 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:36,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:32:36,751 INFO L93 Difference]: Finished difference Result 62 states and 71 transitions.
[2024-11-23 18:32:36,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:32:36,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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 22
[2024-11-23 18:32:36,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:32:36,753 INFO L225 Difference]: With dead ends: 62
[2024-11-23 18:32:36,753 INFO L226 Difference]: Without dead ends: 61
[2024-11-23 18:32:36,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-23 18:32:36,754 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 11 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 18:32:36,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 72 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 18:32:36,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states.
[2024-11-23 18:32:36,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 51.
[2024-11-23 18:32:36,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 45 states have (on average 1.288888888888889) internal successors, (58), 50 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:36,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions.
[2024-11-23 18:32:36,766 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 22
[2024-11-23 18:32:36,766 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:32:36,766 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions.
[2024-11-23 18:32:36,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:36,766 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions.
[2024-11-23 18:32:36,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-11-23 18:32:36,767 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:32:36,767 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:32:36,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-11-23 18:32:36,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:32:36,968 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2024-11-23 18:32:36,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:32:36,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1615596291, now seen corresponding path program 1 times
[2024-11-23 18:32:36,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:32:36,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940774628]
[2024-11-23 18:32:36,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:36,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:32:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:37,054 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-23 18:32:37,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:32:37,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940774628]
[2024-11-23 18:32:37,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940774628] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 18:32:37,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [503918045]
[2024-11-23 18:32:37,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:37,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:32:37,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:32:37,057 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 18:32:37,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-23 18:32:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:37,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-23 18:32:37,121 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 18:32:37,137 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-11-23 18:32:37,137 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 18:32:37,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [503918045] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:32:37,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-23 18:32:37,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6
[2024-11-23 18:32:37,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617087732]
[2024-11-23 18:32:37,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:32:37,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:32:37,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:32:37,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:32:37,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-23 18:32:37,141 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:37,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:32:37,169 INFO L93 Difference]: Finished difference Result 62 states and 70 transitions.
[2024-11-23 18:32:37,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:32:37,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 23
[2024-11-23 18:32:37,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:32:37,171 INFO L225 Difference]: With dead ends: 62
[2024-11-23 18:32:37,173 INFO L226 Difference]: Without dead ends: 61
[2024-11-23 18:32:37,173 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-23 18:32:37,174 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 10 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 18:32:37,174 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 73 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 18:32:37,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states.
[2024-11-23 18:32:37,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 52.
[2024-11-23 18:32:37,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 51 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:37,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 59 transitions.
[2024-11-23 18:32:37,183 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 59 transitions. Word has length 23
[2024-11-23 18:32:37,183 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:32:37,183 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 59 transitions.
[2024-11-23 18:32:37,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:37,183 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions.
[2024-11-23 18:32:37,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2024-11-23 18:32:37,184 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:32:37,184 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:32:37,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2024-11-23 18:32:37,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:32:37,388 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2024-11-23 18:32:37,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:32:37,389 INFO L85 PathProgramCache]: Analyzing trace with hash -825466211, now seen corresponding path program 1 times
[2024-11-23 18:32:37,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:32:37,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110232095]
[2024-11-23 18:32:37,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:37,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:32:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:37,472 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-23 18:32:37,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:32:37,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110232095]
[2024-11-23 18:32:37,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110232095] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 18:32:37,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476239555]
[2024-11-23 18:32:37,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:37,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:32:37,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:32:37,477 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 18:32:37,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-11-23 18:32:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:37,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-23 18:32:37,538 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 18:32:37,565 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-23 18:32:37,565 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 18:32:37,617 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-23 18:32:37,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476239555] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 18:32:37,617 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 18:32:37,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10
[2024-11-23 18:32:37,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150796645]
[2024-11-23 18:32:37,617 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 18:32:37,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-23 18:32:37,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:32:37,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-23 18:32:37,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2024-11-23 18:32:37,618 INFO L87 Difference]: Start difference. First operand 52 states and 59 transitions. Second operand has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:37,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:32:37,665 INFO L93 Difference]: Finished difference Result 105 states and 120 transitions.
[2024-11-23 18:32:37,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-23 18:32:37,666 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26
[2024-11-23 18:32:37,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:32:37,667 INFO L225 Difference]: With dead ends: 105
[2024-11-23 18:32:37,667 INFO L226 Difference]: Without dead ends: 60
[2024-11-23 18:32:37,668 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2024-11-23 18:32:37,669 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 2 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 18:32:37,669 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 194 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 18:32:37,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2024-11-23 18:32:37,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60.
[2024-11-23 18:32:37,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 54 states have (on average 1.2407407407407407) internal successors, (67), 59 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:37,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 67 transitions.
[2024-11-23 18:32:37,684 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 67 transitions. Word has length 26
[2024-11-23 18:32:37,684 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:32:37,684 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 67 transitions.
[2024-11-23 18:32:37,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:37,685 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions.
[2024-11-23 18:32:37,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2024-11-23 18:32:37,685 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:32:37,685 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:32:37,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2024-11-23 18:32:37,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2024-11-23 18:32:37,886 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2024-11-23 18:32:37,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:32:37,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1572494377, now seen corresponding path program 2 times
[2024-11-23 18:32:37,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:32:37,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327772724]
[2024-11-23 18:32:37,887 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 18:32:37,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:32:37,900 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-23 18:32:37,900 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 18:32:37,933 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2024-11-23 18:32:37,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:32:37,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327772724]
[2024-11-23 18:32:37,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327772724] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:32:37,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:32:37,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:32:37,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707849461]
[2024-11-23 18:32:37,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:32:37,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:32:37,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:32:37,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:32:37,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:32:37,936 INFO L87 Difference]: Start difference. First operand 60 states and 67 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:37,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:32:37,974 INFO L93 Difference]: Finished difference Result 72 states and 81 transitions.
[2024-11-23 18:32:37,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 18:32:37,974 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34
[2024-11-23 18:32:37,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:32:37,975 INFO L225 Difference]: With dead ends: 72
[2024-11-23 18:32:37,975 INFO L226 Difference]: Without dead ends: 71
[2024-11-23 18:32:37,975 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:32:37,976 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 9 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 18:32:37,976 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 102 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 18:32:37,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states.
[2024-11-23 18:32:37,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 68.
[2024-11-23 18:32:37,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 67 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:37,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 78 transitions.
[2024-11-23 18:32:37,982 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 78 transitions. Word has length 34
[2024-11-23 18:32:37,982 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:32:37,982 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 78 transitions.
[2024-11-23 18:32:37,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:37,983 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions.
[2024-11-23 18:32:37,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2024-11-23 18:32:37,983 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:32:37,983 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:32:37,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-23 18:32:37,984 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2024-11-23 18:32:37,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:32:37,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1502685581, now seen corresponding path program 1 times
[2024-11-23 18:32:37,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:32:37,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987447852]
[2024-11-23 18:32:37,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:37,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:32:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:38,041 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-11-23 18:32:38,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:32:38,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987447852]
[2024-11-23 18:32:38,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987447852] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 18:32:38,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242080360]
[2024-11-23 18:32:38,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:38,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:32:38,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:32:38,045 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 18:32:38,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-11-23 18:32:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:38,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-23 18:32:38,117 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 18:32:38,218 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-23 18:32:38,218 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 18:32:38,376 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-23 18:32:38,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242080360] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 18:32:38,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 18:32:38,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 9] total 18
[2024-11-23 18:32:38,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107842678]
[2024-11-23 18:32:38,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 18:32:38,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2024-11-23 18:32:38,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:32:38,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2024-11-23 18:32:38,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306
[2024-11-23 18:32:38,379 INFO L87 Difference]: Start difference. First operand 68 states and 78 transitions. Second operand has 18 states, 18 states have (on average 3.611111111111111) internal successors, (65), 18 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:38,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:32:38,571 INFO L93 Difference]: Finished difference Result 164 states and 192 transitions.
[2024-11-23 18:32:38,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2024-11-23 18:32:38,571 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.611111111111111) internal successors, (65), 18 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35
[2024-11-23 18:32:38,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:32:38,573 INFO L225 Difference]: With dead ends: 164
[2024-11-23 18:32:38,573 INFO L226 Difference]: Without dead ends: 111
[2024-11-23 18:32:38,573 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306
[2024-11-23 18:32:38,574 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 17 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-23 18:32:38,574 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 250 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-23 18:32:38,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states.
[2024-11-23 18:32:38,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 97.
[2024-11-23 18:32:38,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 91 states have (on average 1.1868131868131868) internal successors, (108), 96 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:38,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 108 transitions.
[2024-11-23 18:32:38,583 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 108 transitions. Word has length 35
[2024-11-23 18:32:38,584 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:32:38,584 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 108 transitions.
[2024-11-23 18:32:38,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.611111111111111) internal successors, (65), 18 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:38,584 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 108 transitions.
[2024-11-23 18:32:38,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58
[2024-11-23 18:32:38,585 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:32:38,585 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:32:38,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2024-11-23 18:32:38,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2024-11-23 18:32:38,791 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2024-11-23 18:32:38,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:32:38,792 INFO L85 PathProgramCache]: Analyzing trace with hash -2145105759, now seen corresponding path program 2 times
[2024-11-23 18:32:38,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:32:38,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079305879]
[2024-11-23 18:32:38,792 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 18:32:38,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:32:38,814 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-23 18:32:38,814 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 18:32:38,857 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked.
[2024-11-23 18:32:38,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:32:38,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079305879]
[2024-11-23 18:32:38,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079305879] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:32:38,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:32:38,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-23 18:32:38,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246086876]
[2024-11-23 18:32:38,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:32:38,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:32:38,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:32:38,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:32:38,860 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:32:38,860 INFO L87 Difference]: Start difference. First operand 97 states and 108 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:38,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:32:38,907 INFO L93 Difference]: Finished difference Result 123 states and 134 transitions.
[2024-11-23 18:32:38,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 18:32:38,907 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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 57
[2024-11-23 18:32:38,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:32:38,908 INFO L225 Difference]: With dead ends: 123
[2024-11-23 18:32:38,908 INFO L226 Difference]: Without dead ends: 103
[2024-11-23 18:32:38,909 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:32:38,910 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 16 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 18:32:38,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 75 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 18:32:38,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states.
[2024-11-23 18:32:38,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 98.
[2024-11-23 18:32:38,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 92 states have (on average 1.184782608695652) internal successors, (109), 97 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:38,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 109 transitions.
[2024-11-23 18:32:38,919 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 109 transitions. Word has length 57
[2024-11-23 18:32:38,919 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:32:38,920 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 109 transitions.
[2024-11-23 18:32:38,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:38,920 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 109 transitions.
[2024-11-23 18:32:38,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2024-11-23 18:32:38,921 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:32:38,922 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:32:38,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-23 18:32:38,922 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2024-11-23 18:32:38,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:32:38,923 INFO L85 PathProgramCache]: Analyzing trace with hash -2076342879, now seen corresponding path program 1 times
[2024-11-23 18:32:38,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:32:38,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557084540]
[2024-11-23 18:32:38,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:38,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:32:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:39,080 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked.
[2024-11-23 18:32:39,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:32:39,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557084540]
[2024-11-23 18:32:39,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557084540] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 18:32:39,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131190996]
[2024-11-23 18:32:39,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:39,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:32:39,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:32:39,084 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 18:32:39,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-11-23 18:32:39,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:39,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 16 conjuncts are in the unsatisfiable core
[2024-11-23 18:32:39,200 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 18:32:39,488 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2024-11-23 18:32:39,488 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 18:32:39,985 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2024-11-23 18:32:39,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131190996] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 18:32:39,986 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 18:32:39,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 17, 17] total 35
[2024-11-23 18:32:39,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820348006]
[2024-11-23 18:32:39,986 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 18:32:39,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states
[2024-11-23 18:32:39,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:32:39,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants.
[2024-11-23 18:32:39,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=909, Unknown=0, NotChecked=0, Total=1190
[2024-11-23 18:32:39,988 INFO L87 Difference]: Start difference. First operand 98 states and 109 transitions. Second operand has 35 states, 35 states have (on average 2.9714285714285715) internal successors, (104), 35 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:40,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:32:40,225 INFO L93 Difference]: Finished difference Result 227 states and 262 transitions.
[2024-11-23 18:32:40,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states.
[2024-11-23 18:32:40,226 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.9714285714285715) internal successors, (104), 35 states have internal predecessors, (104), 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 58
[2024-11-23 18:32:40,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:32:40,227 INFO L225 Difference]: With dead ends: 227
[2024-11-23 18:32:40,228 INFO L226 Difference]: Without dead ends: 160
[2024-11-23 18:32:40,229 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=281, Invalid=909, Unknown=0, NotChecked=0, Total=1190
[2024-11-23 18:32:40,229 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 32 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-23 18:32:40,230 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 197 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-23 18:32:40,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states.
[2024-11-23 18:32:40,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 146.
[2024-11-23 18:32:40,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 140 states have (on average 1.1357142857142857) internal successors, (159), 145 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:40,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 159 transitions.
[2024-11-23 18:32:40,240 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 159 transitions. Word has length 58
[2024-11-23 18:32:40,240 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:32:40,240 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 159 transitions.
[2024-11-23 18:32:40,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.9714285714285715) internal successors, (104), 35 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:40,241 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 159 transitions.
[2024-11-23 18:32:40,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97
[2024-11-23 18:32:40,243 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:32:40,243 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:32:40,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0
[2024-11-23 18:32:40,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2024-11-23 18:32:40,448 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2024-11-23 18:32:40,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:32:40,448 INFO L85 PathProgramCache]: Analyzing trace with hash 2033748773, now seen corresponding path program 2 times
[2024-11-23 18:32:40,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:32:40,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774567521]
[2024-11-23 18:32:40,449 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 18:32:40,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:32:40,482 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-23 18:32:40,482 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 18:32:40,564 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked.
[2024-11-23 18:32:40,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:32:40,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774567521]
[2024-11-23 18:32:40,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774567521] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:32:40,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:32:40,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 18:32:40,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224726301]
[2024-11-23 18:32:40,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:32:40,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 18:32:40,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:32:40,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 18:32:40,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-23 18:32:40,566 INFO L87 Difference]: Start difference. First operand 146 states and 159 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:40,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:32:40,644 INFO L93 Difference]: Finished difference Result 148 states and 159 transitions.
[2024-11-23 18:32:40,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 18:32:40,645 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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 96
[2024-11-23 18:32:40,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:32:40,646 INFO L225 Difference]: With dead ends: 148
[2024-11-23 18:32:40,646 INFO L226 Difference]: Without dead ends: 147
[2024-11-23 18:32:40,646 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-23 18:32:40,647 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 10 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-23 18:32:40,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 129 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-23 18:32:40,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states.
[2024-11-23 18:32:40,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 146.
[2024-11-23 18:32:40,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 140 states have (on average 1.1285714285714286) internal successors, (158), 145 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:40,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 158 transitions.
[2024-11-23 18:32:40,659 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 158 transitions. Word has length 96
[2024-11-23 18:32:40,659 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:32:40,659 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 158 transitions.
[2024-11-23 18:32:40,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:40,660 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 158 transitions.
[2024-11-23 18:32:40,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98
[2024-11-23 18:32:40,661 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:32:40,661 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:32:40,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-11-23 18:32:40,662 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2024-11-23 18:32:40,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:32:40,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1378297335, now seen corresponding path program 1 times
[2024-11-23 18:32:40,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:32:40,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534203470]
[2024-11-23 18:32:40,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:40,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:32:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:40,828 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked.
[2024-11-23 18:32:40,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:32:40,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534203470]
[2024-11-23 18:32:40,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534203470] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:32:40,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:32:40,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:32:40,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271717184]
[2024-11-23 18:32:40,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:32:40,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:32:40,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:32:40,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:32:40,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:32:40,830 INFO L87 Difference]: Start difference. First operand 146 states and 158 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:40,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:32:40,861 INFO L93 Difference]: Finished difference Result 146 states and 158 transitions.
[2024-11-23 18:32:40,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 18:32:40,862 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97
[2024-11-23 18:32:40,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:32:40,863 INFO L225 Difference]: With dead ends: 146
[2024-11-23 18:32:40,863 INFO L226 Difference]: Without dead ends: 145
[2024-11-23 18:32:40,863 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:32:40,864 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 18:32:40,864 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 18:32:40,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states.
[2024-11-23 18:32:40,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145.
[2024-11-23 18:32:40,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 140 states have (on average 1.1142857142857143) internal successors, (156), 144 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:40,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 156 transitions.
[2024-11-23 18:32:40,873 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 156 transitions. Word has length 97
[2024-11-23 18:32:40,874 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:32:40,874 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 156 transitions.
[2024-11-23 18:32:40,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:40,874 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 156 transitions.
[2024-11-23 18:32:40,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102
[2024-11-23 18:32:40,876 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:32:40,876 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:32:40,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-11-23 18:32:40,876 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2024-11-23 18:32:40,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:32:40,877 INFO L85 PathProgramCache]: Analyzing trace with hash 43217061, now seen corresponding path program 1 times
[2024-11-23 18:32:40,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:32:40,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198958283]
[2024-11-23 18:32:40,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:40,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:32:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:41,083 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked.
[2024-11-23 18:32:41,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:32:41,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198958283]
[2024-11-23 18:32:41,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198958283] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:32:41,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:32:41,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:32:41,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096237333]
[2024-11-23 18:32:41,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:32:41,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:32:41,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:32:41,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:32:41,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:32:41,085 INFO L87 Difference]: Start difference. First operand 145 states and 156 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:41,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:32:41,123 INFO L93 Difference]: Finished difference Result 147 states and 158 transitions.
[2024-11-23 18:32:41,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 18:32:41,124 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101
[2024-11-23 18:32:41,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:32:41,126 INFO L225 Difference]: With dead ends: 147
[2024-11-23 18:32:41,126 INFO L226 Difference]: Without dead ends: 146
[2024-11-23 18:32:41,126 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:32:41,127 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 0 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 18:32:41,127 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 18:32:41,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states.
[2024-11-23 18:32:41,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146.
[2024-11-23 18:32:41,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 141 states have (on average 1.1134751773049645) internal successors, (157), 145 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:41,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 157 transitions.
[2024-11-23 18:32:41,138 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 157 transitions. Word has length 101
[2024-11-23 18:32:41,138 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:32:41,138 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 157 transitions.
[2024-11-23 18:32:41,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:41,139 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 157 transitions.
[2024-11-23 18:32:41,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104
[2024-11-23 18:32:41,140 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:32:41,140 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:32:41,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-11-23 18:32:41,140 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2024-11-23 18:32:41,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:32:41,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1418073974, now seen corresponding path program 1 times
[2024-11-23 18:32:41,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:32:41,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624350258]
[2024-11-23 18:32:41,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:41,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:32:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:41,322 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked.
[2024-11-23 18:32:41,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:32:41,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624350258]
[2024-11-23 18:32:41,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624350258] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 18:32:41,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596132222]
[2024-11-23 18:32:41,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:41,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:32:41,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:32:41,325 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 18:32:41,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-11-23 18:32:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:41,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 32 conjuncts are in the unsatisfiable core
[2024-11-23 18:32:41,458 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 18:32:42,283 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked.
[2024-11-23 18:32:42,283 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 18:32:43,715 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked.
[2024-11-23 18:32:43,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596132222] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 18:32:43,715 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 18:32:43,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 33, 33] total 67
[2024-11-23 18:32:43,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44358864]
[2024-11-23 18:32:43,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 18:32:43,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states
[2024-11-23 18:32:43,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:32:43,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants.
[2024-11-23 18:32:43,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1062, Invalid=3360, Unknown=0, NotChecked=0, Total=4422
[2024-11-23 18:32:43,720 INFO L87 Difference]: Start difference. First operand 146 states and 157 transitions. Second operand has 67 states, 67 states have (on average 2.7761194029850746) internal successors, (186), 67 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:44,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:32:44,074 INFO L93 Difference]: Finished difference Result 304 states and 344 transitions.
[2024-11-23 18:32:44,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states.
[2024-11-23 18:32:44,075 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 67 states have (on average 2.7761194029850746) internal successors, (186), 67 states have internal predecessors, (186), 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 103
[2024-11-23 18:32:44,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:32:44,077 INFO L225 Difference]: With dead ends: 304
[2024-11-23 18:32:44,077 INFO L226 Difference]: Without dead ends: 221
[2024-11-23 18:32:44,081 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1109 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1062, Invalid=3360, Unknown=0, NotChecked=0, Total=4422
[2024-11-23 18:32:44,082 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 12 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-23 18:32:44,082 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 335 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-23 18:32:44,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states.
[2024-11-23 18:32:44,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 212.
[2024-11-23 18:32:44,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 207 states have (on average 1.077294685990338) internal successors, (223), 211 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:44,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 223 transitions.
[2024-11-23 18:32:44,092 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 223 transitions. Word has length 103
[2024-11-23 18:32:44,092 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:32:44,093 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 223 transitions.
[2024-11-23 18:32:44,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 2.7761194029850746) internal successors, (186), 67 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:44,093 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 223 transitions.
[2024-11-23 18:32:44,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169
[2024-11-23 18:32:44,096 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:32:44,097 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:32:44,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0
[2024-11-23 18:32:44,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17
[2024-11-23 18:32:44,301 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2024-11-23 18:32:44,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:32:44,302 INFO L85 PathProgramCache]: Analyzing trace with hash 291929478, now seen corresponding path program 1 times
[2024-11-23 18:32:44,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:32:44,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078974627]
[2024-11-23 18:32:44,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:44,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:32:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:44,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1917 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1915 trivial. 0 not checked.
[2024-11-23 18:32:44,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:32:44,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078974627]
[2024-11-23 18:32:44,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078974627] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:32:44,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:32:44,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 18:32:44,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843021076]
[2024-11-23 18:32:44,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:32:44,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:32:44,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:32:44,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:32:44,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:32:44,475 INFO L87 Difference]: Start difference. First operand 212 states and 223 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:44,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:32:44,495 INFO L93 Difference]: Finished difference Result 212 states and 223 transitions.
[2024-11-23 18:32:44,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:32:44,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168
[2024-11-23 18:32:44,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:32:44,498 INFO L225 Difference]: With dead ends: 212
[2024-11-23 18:32:44,498 INFO L226 Difference]: Without dead ends: 211
[2024-11-23 18:32:44,498 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
[2024-11-23 18:32:44,499 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 9 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 18:32:44,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 62 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 18:32:44,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states.
[2024-11-23 18:32:44,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211.
[2024-11-23 18:32:44,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 207 states have (on average 1.0724637681159421) internal successors, (222), 210 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:44,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 222 transitions.
[2024-11-23 18:32:44,509 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 222 transitions. Word has length 168
[2024-11-23 18:32:44,510 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:32:44,510 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 222 transitions.
[2024-11-23 18:32:44,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:44,510 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 222 transitions.
[2024-11-23 18:32:44,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172
[2024-11-23 18:32:44,511 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:32:44,512 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:32:44,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-11-23 18:32:44,514 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2024-11-23 18:32:44,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:32:44,515 INFO L85 PathProgramCache]: Analyzing trace with hash -437575308, now seen corresponding path program 1 times
[2024-11-23 18:32:44,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:32:44,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518094389]
[2024-11-23 18:32:44,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:44,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:32:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:44,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1921 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1916 trivial. 0 not checked.
[2024-11-23 18:32:44,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:32:44,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518094389]
[2024-11-23 18:32:44,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518094389] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:32:44,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:32:44,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:32:44,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28474081]
[2024-11-23 18:32:44,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:32:44,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:32:44,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:32:44,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:32:44,719 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:32:44,719 INFO L87 Difference]: Start difference. First operand 211 states and 222 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:44,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:32:44,748 INFO L93 Difference]: Finished difference Result 211 states and 222 transitions.
[2024-11-23 18:32:44,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 18:32:44,750 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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 171
[2024-11-23 18:32:44,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:32:44,751 INFO L225 Difference]: With dead ends: 211
[2024-11-23 18:32:44,751 INFO L226 Difference]: Without dead ends: 209
[2024-11-23 18:32:44,752 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:32:44,753 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 9 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 18:32:44,753 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 86 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 18:32:44,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states.
[2024-11-23 18:32:44,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 207.
[2024-11-23 18:32:44,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 205 states have (on average 1.0634146341463415) internal successors, (218), 206 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:44,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 218 transitions.
[2024-11-23 18:32:44,769 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 218 transitions. Word has length 171
[2024-11-23 18:32:44,770 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:32:44,773 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 218 transitions.
[2024-11-23 18:32:44,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:44,773 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 218 transitions.
[2024-11-23 18:32:44,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173
[2024-11-23 18:32:44,775 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:32:44,775 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:32:44,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-11-23 18:32:44,775 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2024-11-23 18:32:44,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:32:44,776 INFO L85 PathProgramCache]: Analyzing trace with hash -679932510, now seen corresponding path program 1 times
[2024-11-23 18:32:44,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:32:44,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185235089]
[2024-11-23 18:32:44,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:44,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:32:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:44,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1922 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1915 trivial. 0 not checked.
[2024-11-23 18:32:44,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:32:44,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185235089]
[2024-11-23 18:32:44,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185235089] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:32:44,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:32:44,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:32:44,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195436596]
[2024-11-23 18:32:44,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:32:44,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:32:44,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:32:44,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:32:44,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:32:44,960 INFO L87 Difference]: Start difference. First operand 207 states and 218 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:44,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:32:44,985 INFO L93 Difference]: Finished difference Result 207 states and 218 transitions.
[2024-11-23 18:32:44,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 18:32:44,985 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 172
[2024-11-23 18:32:44,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:32:44,987 INFO L225 Difference]: With dead ends: 207
[2024-11-23 18:32:44,987 INFO L226 Difference]: Without dead ends: 206
[2024-11-23 18:32:44,987 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:32:44,988 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 7 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 18:32:44,988 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 86 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 18:32:44,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states.
[2024-11-23 18:32:44,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 203.
[2024-11-23 18:32:44,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 202 states have (on average 1.0594059405940595) internal successors, (214), 202 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:44,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 214 transitions.
[2024-11-23 18:32:44,998 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 214 transitions. Word has length 172
[2024-11-23 18:32:44,999 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:32:44,999 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 214 transitions.
[2024-11-23 18:32:44,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:44,999 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 214 transitions.
[2024-11-23 18:32:45,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174
[2024-11-23 18:32:45,001 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:32:45,001 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:32:45,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-11-23 18:32:45,001 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2024-11-23 18:32:45,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:32:45,002 INFO L85 PathProgramCache]: Analyzing trace with hash 394354880, now seen corresponding path program 1 times
[2024-11-23 18:32:45,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:32:45,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114022724]
[2024-11-23 18:32:45,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:45,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:32:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:45,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1923 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 1901 trivial. 0 not checked.
[2024-11-23 18:32:45,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:32:45,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114022724]
[2024-11-23 18:32:45,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114022724] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 18:32:45,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551954602]
[2024-11-23 18:32:45,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:32:45,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:32:45,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:32:45,265 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 18:32:45,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2024-11-23 18:32:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:32:45,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 64 conjuncts are in the unsatisfiable core
[2024-11-23 18:32:45,483 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 18:32:47,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1923 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2024-11-23 18:32:47,665 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 18:32:52,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1923 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2024-11-23 18:32:52,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551954602] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 18:32:52,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 18:32:52,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 65, 65] total 132
[2024-11-23 18:32:52,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829616051]
[2024-11-23 18:32:52,142 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 18:32:52,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 132 states
[2024-11-23 18:32:52,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:32:52,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants.
[2024-11-23 18:32:52,155 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4174, Invalid=13118, Unknown=0, NotChecked=0, Total=17292
[2024-11-23 18:32:52,155 INFO L87 Difference]: Start difference. First operand 203 states and 214 transitions. Second operand has 132 states, 132 states have (on average 2.3333333333333335) internal successors, (308), 132 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:52,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:32:52,769 INFO L93 Difference]: Finished difference Result 437 states and 496 transitions.
[2024-11-23 18:32:52,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states.
[2024-11-23 18:32:52,776 INFO L78 Accepts]: Start accepts. Automaton has has 132 states, 132 states have (on average 2.3333333333333335) internal successors, (308), 132 states have internal predecessors, (308), 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 173
[2024-11-23 18:32:52,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:32:52,778 INFO L225 Difference]: With dead ends: 437
[2024-11-23 18:32:52,778 INFO L226 Difference]: Without dead ends: 361
[2024-11-23 18:32:52,782 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5151 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=4174, Invalid=13118, Unknown=0, NotChecked=0, Total=17292
[2024-11-23 18:32:52,785 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 32 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-23 18:32:52,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 181 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-23 18:32:52,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states.
[2024-11-23 18:32:52,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 347.
[2024-11-23 18:32:52,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 346 states have (on average 1.0404624277456647) internal successors, (360), 346 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:52,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 360 transitions.
[2024-11-23 18:32:52,814 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 360 transitions. Word has length 173
[2024-11-23 18:32:52,814 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:32:52,814 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 360 transitions.
[2024-11-23 18:32:52,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 132 states, 132 states have (on average 2.3333333333333335) internal successors, (308), 132 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:52,815 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 360 transitions.
[2024-11-23 18:32:52,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308
[2024-11-23 18:32:52,821 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:32:52,821 INFO L218 NwaCegarLoop]: trace histogram [63, 63, 63, 63, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:32:52,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0
[2024-11-23 18:32:53,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:32:53,022 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2024-11-23 18:32:53,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:32:53,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1767647188, now seen corresponding path program 2 times
[2024-11-23 18:32:53,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:32:53,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390261083]
[2024-11-23 18:32:53,023 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 18:32:53,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:32:53,113 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-23 18:32:53,113 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 18:32:53,148 INFO L134 CoverageAnalysis]: Checked inductivity of 7926 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7919 trivial. 0 not checked.
[2024-11-23 18:32:53,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:32:53,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390261083]
[2024-11-23 18:32:53,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390261083] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:32:53,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:32:53,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-23 18:32:53,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892198638]
[2024-11-23 18:32:53,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:32:53,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 18:32:53,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:32:53,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 18:32:53,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-23 18:32:53,152 INFO L87 Difference]: Start difference. First operand 347 states and 360 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:53,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:32:53,200 INFO L93 Difference]: Finished difference Result 347 states and 360 transitions.
[2024-11-23 18:32:53,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 18:32:53,200 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 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 307
[2024-11-23 18:32:53,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:32:53,201 INFO L225 Difference]: With dead ends: 347
[2024-11-23 18:32:53,201 INFO L226 Difference]: Without dead ends: 0
[2024-11-23 18:32:53,202 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-23 18:32:53,203 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 10 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 18:32:53,203 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 104 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 18:32:53,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-23 18:32:53,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-23 18:32:53,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:53,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-23 18:32:53,205 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 307
[2024-11-23 18:32:53,205 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:32:53,205 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-23 18:32:53,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:32:53,205 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-23 18:32:53,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-23 18:32:53,208 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining)
[2024-11-23 18:32:53,208 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining)
[2024-11-23 18:32:53,209 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining)
[2024-11-23 18:32:53,209 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining)
[2024-11-23 18:32:53,209 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining)
[2024-11-23 18:32:53,209 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining)
[2024-11-23 18:32:53,209 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining)
[2024-11-23 18:32:53,209 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining)
[2024-11-23 18:32:53,209 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining)
[2024-11-23 18:32:53,209 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining)
[2024-11-23 18:32:53,209 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining)
[2024-11-23 18:32:53,209 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining)
[2024-11-23 18:32:53,209 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining)
[2024-11-23 18:32:53,209 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining)
[2024-11-23 18:32:53,210 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining)
[2024-11-23 18:32:53,210 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining)
[2024-11-23 18:32:53,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-11-23 18:32:53,214 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:32:53,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-23 18:32:53,357 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 18:32:53,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:32:53 BoogieIcfgContainer
[2024-11-23 18:32:53,375 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 18:32:53,375 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 18:32:53,376 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-23 18:32:53,376 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-23 18:32:53,376 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:32:33" (3/4) ...
[2024-11-23 18:32:53,378 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-11-23 18:32:53,386 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-11-23 18:32:53,387 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-23 18:32:53,387 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-23 18:32:53,387 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-23 18:32:53,489 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-23 18:32:53,490 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-23 18:32:53,490 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 18:32:53,491 INFO L158 Benchmark]: Toolchain (without parser) took 21137.67ms. Allocated memory was 117.4MB in the beginning and 167.8MB in the end (delta: 50.3MB). Free memory was 92.7MB in the beginning and 86.5MB in the end (delta: 6.3MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB.
[2024-11-23 18:32:53,491 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 117.4MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 18:32:53,491 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.63ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.4MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 18:32:53,491 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.33ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 18:32:53,492 INFO L158 Benchmark]: Boogie Preprocessor took 57.55ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 78.7MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 18:32:53,492 INFO L158 Benchmark]: RCFGBuilder took 517.63ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 65.5MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 18:32:53,492 INFO L158 Benchmark]: TraceAbstraction took 20171.82ms. Allocated memory was 117.4MB in the beginning and 167.8MB in the end (delta: 50.3MB). Free memory was 64.9MB in the beginning and 91.3MB in the end (delta: -26.4MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB.
[2024-11-23 18:32:53,493 INFO L158 Benchmark]: Witness Printer took 114.47ms. Allocated memory is still 167.8MB. Free memory was 91.3MB in the beginning and 86.5MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 18:32:53,494 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.62ms. Allocated memory is still 117.4MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 228.63ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.4MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 34.33ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 57.55ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 78.7MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 517.63ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 65.5MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 20171.82ms. Allocated memory was 117.4MB in the beginning and 167.8MB in the end (delta: 50.3MB). Free memory was 64.9MB in the beginning and 91.3MB in the end (delta: -26.4MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB.
* Witness Printer took 114.47ms. Allocated memory is still 167.8MB. Free memory was 91.3MB in the beginning and 86.5MB 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: 19]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 19]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 29]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 29]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 31]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 31]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 32]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 32]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 35]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 35]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 41]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 41]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 41]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 41]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 40]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 40]: 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, 56 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 19.9s, OverallIterations: 23, TraceHistogramMax: 63, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 229 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 229 mSDsluCounter, 2982 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2115 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1429 IncrementalHoareTripleChecker+Invalid, 1458 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 867 mSDtfsCounter, 1429 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 982 GetRequests, 673 SyntacticMatches, 0 SemanticMatches, 309 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6637 ImplicationChecksByTransitivity, 9.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=347occurred in iteration=22, InterpolantAutomatonStates: 324, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 23 MinimizatonAttempts, 106 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 12.7s InterpolantComputationTime, 2228 NumberOfCodeBlocks, 1787 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 2583 ConstructedInterpolants, 0 QuantifiedInterpolants, 3899 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1627 ConjunctsInSsa, 141 ConjunctsInUnsatCore, 40 InterpolantComputations, 18 PerfectInterpolantSequences, 17812/22720 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
16 specifications checked. All of them hold
- InvariantResult [Line: 19]: Loop Invariant
Derived loop invariant: ((0 < j) || (j == 0))
- InvariantResult [Line: 40]: Loop Invariant
Derived loop invariant: (0 < (2147483650 + x))
- InvariantResult [Line: 28]: Loop Invariant
Derived loop invariant: (0 < i)
- InvariantResult [Line: 41]: Loop Invariant
Derived loop invariant: (((0 <= (2147483649 + x)) && (x <= 99999)) && (0 <= (y + 2147483648)))
RESULT: Ultimate proved your program to be correct!
[2024-11-23 18:32:53,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae02f4c-e05a-4360-ad03-ec5506d44c16/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE