./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for memory safety (deref-memtrack)
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1ae4a3f744c0a8577333c2c3dfb4ecaabbd2cf6e1675b06577194a98b8d1aee1
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 15:10:46,200 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 15:10:46,259 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf
[2024-12-02 15:10:46,264 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 15:10:46,264 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 15:10:46,286 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 15:10:46,287 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 15:10:46,287 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 15:10:46,288 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 15:10:46,288 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 15:10:46,288 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 15:10:46,288 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 15:10:46,288 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 15:10:46,288 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 15:10:46,288 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 15:10:46,289 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 15:10:46,289 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 15:10:46,289 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 15:10:46,289 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2024-12-02 15:10:46,289 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2024-12-02 15:10:46,289 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2024-12-02 15:10:46,289 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 15:10:46,289 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-12-02 15:10:46,289 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 15:10:46,289 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 15:10:46,289 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 15:10:46,289 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 15:10:46,290 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:10:46,290 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:10:46,290 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:10:46,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:10:46,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 15:10:46,290 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:10:46,290 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:10:46,290 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:10:46,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:10:46,290 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 15:10:46,290 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 15:10:46,291 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 15:10:46,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 15:10:46,291 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 15:10:46,291 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 15:10:46,291 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 15:10:46,291 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 15:10:46,291 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_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ae4a3f744c0a8577333c2c3dfb4ecaabbd2cf6e1675b06577194a98b8d1aee1
[2024-12-02 15:10:46,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 15:10:46,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 15:10:46,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 15:10:46,532 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 15:10:46,532 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 15:10:46,533 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i
[2024-12-02 15:10:49,209 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/data/07ed3a187/5fc7f9109b6b4add9cbdfa85a42cbb8f/FLAGe3cbd3512
[2024-12-02 15:10:49,421 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 15:10:49,422 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i
[2024-12-02 15:10:49,429 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/data/07ed3a187/5fc7f9109b6b4add9cbdfa85a42cbb8f/FLAGe3cbd3512
[2024-12-02 15:10:49,443 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/data/07ed3a187/5fc7f9109b6b4add9cbdfa85a42cbb8f
[2024-12-02 15:10:49,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 15:10:49,447 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 15:10:49,449 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 15:10:49,449 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 15:10:49,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 15:10:49,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:10:49" (1/1) ...
[2024-12-02 15:10:49,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62cdc87f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:10:49, skipping insertion in model container
[2024-12-02 15:10:49,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:10:49" (1/1) ...
[2024-12-02 15:10:49,469 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 15:10:49,610 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:10:49,620 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 15:10:49,634 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:10:49,648 INFO L204 MainTranslator]: Completed translation
[2024-12-02 15:10:49,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:10:49 WrapperNode
[2024-12-02 15:10:49,648 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 15:10:49,649 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 15:10:49,649 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 15:10:49,649 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 15:10:49,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:10:49" (1/1) ...
[2024-12-02 15:10:49,661 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:10:49" (1/1) ...
[2024-12-02 15:10:49,675 INFO L138 Inliner]: procedures = 11, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31
[2024-12-02 15:10:49,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 15:10:49,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 15:10:49,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 15:10:49,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 15:10:49,685 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:10:49" (1/1) ...
[2024-12-02 15:10:49,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:10:49" (1/1) ...
[2024-12-02 15:10:49,686 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:10:49" (1/1) ...
[2024-12-02 15:10:49,697 INFO L175 MemorySlicer]: Split 6 memory accesses to 1 slices as follows [6]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 3 writes are split as follows [3].
[2024-12-02 15:10:49,697 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:10:49" (1/1) ...
[2024-12-02 15:10:49,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:10:49" (1/1) ...
[2024-12-02 15:10:49,702 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:10:49" (1/1) ...
[2024-12-02 15:10:49,703 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:10:49" (1/1) ...
[2024-12-02 15:10:49,706 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:10:49" (1/1) ...
[2024-12-02 15:10:49,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:10:49" (1/1) ...
[2024-12-02 15:10:49,707 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:10:49" (1/1) ...
[2024-12-02 15:10:49,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 15:10:49,709 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 15:10:49,710 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 15:10:49,710 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 15:10:49,711 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:10:49" (1/1) ...
[2024-12-02 15:10:49,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:10:49,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:10:49,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 15:10:49,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 15:10:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-12-02 15:10:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-12-02 15:10:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure insertionSort
[2024-12-02 15:10:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure insertionSort
[2024-12-02 15:10:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 15:10:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 15:10:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-12-02 15:10:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-12-02 15:10:49,813 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 15:10:49,814 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 15:10:49,997 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live.
[2024-12-02 15:10:49,997 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 15:10:50,008 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 15:10:50,008 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 15:10:50,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:10:50 BoogieIcfgContainer
[2024-12-02 15:10:50,008 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 15:10:50,011 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 15:10:50,011 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 15:10:50,015 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 15:10:50,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:10:49" (1/3) ...
[2024-12-02 15:10:50,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@300ca7f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:10:50, skipping insertion in model container
[2024-12-02 15:10:50,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:10:49" (2/3) ...
[2024-12-02 15:10:50,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@300ca7f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:10:50, skipping insertion in model container
[2024-12-02 15:10:50,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:10:50" (3/3) ...
[2024-12-02 15:10:50,017 INFO L128 eAbstractionObserver]: Analyzing ICFG insertionSort_recursive.i
[2024-12-02 15:10:50,029 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 15:10:50,031 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG insertionSort_recursive.i that has 2 procedures, 49 locations, 1 initial locations, 2 loop locations, and 16 error locations.
[2024-12-02 15:10:50,070 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 15:10:50,082 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=None, 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;@fbb29d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 15:10:50,082 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations.
[2024-12-02 15:10:50,086 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 29 states have (on average 1.793103448275862) internal successors, (52), 45 states have internal predecessors, (52), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 15:10:50,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2024-12-02 15:10:50,090 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:10:50,090 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2024-12-02 15:10:50,091 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [insertionSortErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] ===
[2024-12-02 15:10:50,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:10:50,096 INFO L85 PathProgramCache]: Analyzing trace with hash 2403264, now seen corresponding path program 1 times
[2024-12-02 15:10:50,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:10:50,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129648002]
[2024-12-02 15:10:50,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:10:50,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:10:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:10:50,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:10:50,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:10:50,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129648002]
[2024-12-02 15:10:50,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129648002] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:10:50,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:10:50,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 15:10:50,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107905314]
[2024-12-02 15:10:50,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:10:50,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 15:10:50,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:10:50,244 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 15:10:50,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:10:50,246 INFO L87 Difference]: Start difference. First operand has 49 states, 29 states have (on average 1.793103448275862) internal successors, (52), 45 states have internal predecessors, (52), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:10:50,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:10:50,304 INFO L93 Difference]: Finished difference Result 50 states and 55 transitions.
[2024-12-02 15:10:50,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 15:10:50,306 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4
[2024-12-02 15:10:50,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:10:50,311 INFO L225 Difference]: With dead ends: 50
[2024-12-02 15:10:50,311 INFO L226 Difference]: Without dead ends: 47
[2024-12-02 15:10:50,313 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:10:50,315 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 0 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:10:50,316 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:10:50,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states.
[2024-12-02 15:10:50,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47.
[2024-12-02 15:10:50,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 28 states have (on average 1.6785714285714286) internal successors, (47), 43 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 15:10:50,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions.
[2024-12-02 15:10:50,346 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 4
[2024-12-02 15:10:50,346 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:10:50,346 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions.
[2024-12-02 15:10:50,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:10:50,347 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions.
[2024-12-02 15:10:50,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-12-02 15:10:50,347 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:10:50,347 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-12-02 15:10:50,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 15:10:50,347 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [insertionSortErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] ===
[2024-12-02 15:10:50,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:10:50,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1985389109, now seen corresponding path program 1 times
[2024-12-02 15:10:50,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:10:50,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185349332]
[2024-12-02 15:10:50,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:10:50,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:10:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:10:50,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:10:50,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:10:50,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185349332]
[2024-12-02 15:10:50,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185349332] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:10:50,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:10:50,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 15:10:50,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528194121]
[2024-12-02 15:10:50,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:10:50,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 15:10:50,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:10:50,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 15:10:50,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:10:50,439 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:10:50,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:10:50,478 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions.
[2024-12-02 15:10:50,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 15:10:50,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2024-12-02 15:10:50,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:10:50,479 INFO L225 Difference]: With dead ends: 45
[2024-12-02 15:10:50,480 INFO L226 Difference]: Without dead ends: 45
[2024-12-02 15:10:50,480 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:10:50,481 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 7 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:10:50,481 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 65 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:10:50,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states.
[2024-12-02 15:10:50,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45.
[2024-12-02 15:10:50,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 28 states have (on average 1.6071428571428572) internal successors, (45), 41 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 15:10:50,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions.
[2024-12-02 15:10:50,486 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 6
[2024-12-02 15:10:50,486 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:10:50,486 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions.
[2024-12-02 15:10:50,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:10:50,486 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions.
[2024-12-02 15:10:50,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-12-02 15:10:50,487 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:10:50,487 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-12-02 15:10:50,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 15:10:50,487 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [insertionSortErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] ===
[2024-12-02 15:10:50,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:10:50,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1985389108, now seen corresponding path program 1 times
[2024-12-02 15:10:50,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:10:50,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528639185]
[2024-12-02 15:10:50,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:10:50,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:10:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:10:50,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:10:50,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:10:50,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528639185]
[2024-12-02 15:10:50,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528639185] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:10:50,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:10:50,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 15:10:50,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12194103]
[2024-12-02 15:10:50,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:10:50,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:10:50,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:10:50,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:10:50,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:10:50,695 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:10:50,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:10:50,773 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions.
[2024-12-02 15:10:50,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 15:10:50,774 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2024-12-02 15:10:50,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:10:50,775 INFO L225 Difference]: With dead ends: 49
[2024-12-02 15:10:50,775 INFO L226 Difference]: Without dead ends: 49
[2024-12-02 15:10:50,775 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:10:50,776 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 18 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:10:50,776 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 128 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:10:50,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states.
[2024-12-02 15:10:50,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48.
[2024-12-02 15:10:50,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 31 states have (on average 1.5806451612903225) internal successors, (49), 44 states have internal predecessors, (49), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 15:10:50,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions.
[2024-12-02 15:10:50,781 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 6
[2024-12-02 15:10:50,781 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:10:50,781 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions.
[2024-12-02 15:10:50,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:10:50,781 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions.
[2024-12-02 15:10:50,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-12-02 15:10:50,782 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:10:50,782 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:10:50,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 15:10:50,782 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting insertionSortErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [insertionSortErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] ===
[2024-12-02 15:10:50,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:10:50,783 INFO L85 PathProgramCache]: Analyzing trace with hash -667070615, now seen corresponding path program 1 times
[2024-12-02 15:10:50,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:10:50,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826513400]
[2024-12-02 15:10:50,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:10:50,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:10:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:10:50,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:10:50,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:10:50,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826513400]
[2024-12-02 15:10:50,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826513400] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:10:50,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:10:50,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 15:10:50,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818233646]
[2024-12-02 15:10:50,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:10:50,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 15:10:50,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:10:50,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 15:10:50,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:10:50,828 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:10:50,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:10:50,846 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions.
[2024-12-02 15:10:50,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 15:10:50,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2024-12-02 15:10:50,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:10:50,847 INFO L225 Difference]: With dead ends: 49
[2024-12-02 15:10:50,847 INFO L226 Difference]: Without dead ends: 49
[2024-12-02 15:10:50,848 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:10:50,849 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 3 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:10:50,849 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 87 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:10:50,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states.
[2024-12-02 15:10:50,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48.
[2024-12-02 15:10:50,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 31 states have (on average 1.5483870967741935) internal successors, (48), 44 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 15:10:50,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions.
[2024-12-02 15:10:50,854 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 9
[2024-12-02 15:10:50,854 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:10:50,854 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions.
[2024-12-02 15:10:50,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:10:50,855 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions.
[2024-12-02 15:10:50,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-12-02 15:10:50,855 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:10:50,855 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:10:50,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 15:10:50,855 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [insertionSortErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] ===
[2024-12-02 15:10:50,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:10:50,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1225673851, now seen corresponding path program 1 times
[2024-12-02 15:10:50,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:10:50,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905969531]
[2024-12-02 15:10:50,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:10:50,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:10:50,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:10:51,121 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:10:51,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:10:51,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905969531]
[2024-12-02 15:10:51,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905969531] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 15:10:51,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822588404]
[2024-12-02 15:10:51,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:10:51,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:10:51,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:10:51,124 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:10:51,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 15:10:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:10:51,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-12-02 15:10:51,166 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:10:51,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9
[2024-12-02 15:10:51,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:10:51,493 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 15:10:51,740 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:10:51,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822588404] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 15:10:51,740 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 15:10:51,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16
[2024-12-02 15:10:51,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166713170]
[2024-12-02 15:10:51,740 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 15:10:51,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2024-12-02 15:10:51,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:10:51,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2024-12-02 15:10:51,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272
[2024-12-02 15:10:51,742 INFO L87 Difference]: Start difference. First operand 48 states and 52 transitions. Second operand has 17 states, 16 states have (on average 1.75) internal successors, (28), 17 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)
[2024-12-02 15:10:51,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:10:51,930 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions.
[2024-12-02 15:10:51,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 15:10:51,930 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.75) internal successors, (28), 17 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 10
[2024-12-02 15:10:51,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:10:51,931 INFO L225 Difference]: With dead ends: 48
[2024-12-02 15:10:51,931 INFO L226 Difference]: Without dead ends: 48
[2024-12-02 15:10:51,931 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342
[2024-12-02 15:10:51,932 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 28 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:10:51,932 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 178 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:10:51,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states.
[2024-12-02 15:10:51,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 45.
[2024-12-02 15:10:51,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 29 states have (on average 1.5517241379310345) internal successors, (45), 41 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 15:10:51,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions.
[2024-12-02 15:10:51,936 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 10
[2024-12-02 15:10:51,936 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:10:51,936 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions.
[2024-12-02 15:10:51,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 1.75) internal successors, (28), 17 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)
[2024-12-02 15:10:51,937 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions.
[2024-12-02 15:10:51,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-12-02 15:10:51,937 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:10:51,937 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:10:51,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 15:10:52,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:10:52,138 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting insertionSortErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [insertionSortErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] ===
[2024-12-02 15:10:52,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:10:52,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1827468048, now seen corresponding path program 1 times
[2024-12-02 15:10:52,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:10:52,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268414274]
[2024-12-02 15:10:52,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:10:52,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:10:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:10:52,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:10:52,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:10:52,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268414274]
[2024-12-02 15:10:52,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268414274] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:10:52,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:10:52,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 15:10:52,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666932765]
[2024-12-02 15:10:52,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:10:52,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:10:52,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:10:52,195 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:10:52,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:10:52,196 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:10:52,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:10:52,270 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions.
[2024-12-02 15:10:52,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 15:10:52,271 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13
[2024-12-02 15:10:52,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:10:52,271 INFO L225 Difference]: With dead ends: 40
[2024-12-02 15:10:52,271 INFO L226 Difference]: Without dead ends: 40
[2024-12-02 15:10:52,271 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 15:10:52,272 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 46 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:10:52,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 53 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:10:52,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states.
[2024-12-02 15:10:52,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40.
[2024-12-02 15:10:52,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 36 states have internal predecessors, (40), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 15:10:52,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions.
[2024-12-02 15:10:52,275 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 13
[2024-12-02 15:10:52,275 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:10:52,275 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions.
[2024-12-02 15:10:52,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:10:52,276 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions.
[2024-12-02 15:10:52,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-12-02 15:10:52,276 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:10:52,276 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:10:52,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 15:10:52,276 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting insertionSortErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [insertionSortErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] ===
[2024-12-02 15:10:52,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:10:52,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1827468049, now seen corresponding path program 1 times
[2024-12-02 15:10:52,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:10:52,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595763285]
[2024-12-02 15:10:52,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:10:52,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:10:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:10:52,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:10:52,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:10:52,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595763285]
[2024-12-02 15:10:52,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595763285] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 15:10:52,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683897430]
[2024-12-02 15:10:52,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:10:52,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:10:52,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:10:52,466 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:10:52,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 15:10:52,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:10:52,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 16 conjuncts are in the unsatisfiable core
[2024-12-02 15:10:52,510 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:10:52,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:10:52,618 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 15:10:52,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18
[2024-12-02 15:10:52,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:10:52,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683897430] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 15:10:52,716 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 15:10:52,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12
[2024-12-02 15:10:52,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670612394]
[2024-12-02 15:10:52,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 15:10:52,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-12-02 15:10:52,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:10:52,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-12-02 15:10:52,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156
[2024-12-02 15:10:52,717 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand has 13 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 10 states have internal predecessors, (25), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:10:52,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:10:52,928 INFO L93 Difference]: Finished difference Result 64 states and 71 transitions.
[2024-12-02 15:10:52,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-12-02 15:10:52,929 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 10 states have internal predecessors, (25), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13
[2024-12-02 15:10:52,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:10:52,930 INFO L225 Difference]: With dead ends: 64
[2024-12-02 15:10:52,930 INFO L226 Difference]: Without dead ends: 64
[2024-12-02 15:10:52,930 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210
[2024-12-02 15:10:52,931 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 76 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 15:10:52,931 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 173 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 15:10:52,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states.
[2024-12-02 15:10:52,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 57.
[2024-12-02 15:10:52,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 45 states have (on average 1.3777777777777778) internal successors, (62), 51 states have internal predecessors, (62), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-12-02 15:10:52,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 68 transitions.
[2024-12-02 15:10:52,935 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 68 transitions. Word has length 13
[2024-12-02 15:10:52,935 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:10:52,935 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 68 transitions.
[2024-12-02 15:10:52,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 10 states have internal predecessors, (25), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:10:52,936 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions.
[2024-12-02 15:10:52,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2024-12-02 15:10:52,936 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:10:52,936 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:10:52,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 15:10:53,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:10:53,137 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE === [insertionSortErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] ===
[2024-12-02 15:10:53,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:10:53,137 INFO L85 PathProgramCache]: Analyzing trace with hash -864700023, now seen corresponding path program 1 times
[2024-12-02 15:10:53,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:10:53,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522403142]
[2024-12-02 15:10:53,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:10:53,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:10:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:10:53,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 15:10:53,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:10:53,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522403142]
[2024-12-02 15:10:53,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522403142] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:10:53,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:10:53,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 15:10:53,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699035153]
[2024-12-02 15:10:53,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:10:53,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 15:10:53,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:10:53,160 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 15:10:53,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:10:53,161 INFO L87 Difference]: Start difference. First operand 57 states and 68 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 15:10:53,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:10:53,170 INFO L93 Difference]: Finished difference Result 56 states and 67 transitions.
[2024-12-02 15:10:53,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 15:10:53,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16
[2024-12-02 15:10:53,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:10:53,173 INFO L225 Difference]: With dead ends: 56
[2024-12-02 15:10:53,173 INFO L226 Difference]: Without dead ends: 56
[2024-12-02 15:10:53,174 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:10:53,174 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 1 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:10:53,174 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 65 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:10:53,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2024-12-02 15:10:53,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56.
[2024-12-02 15:10:53,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 50 states have internal predecessors, (61), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-12-02 15:10:53,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 67 transitions.
[2024-12-02 15:10:53,179 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 67 transitions. Word has length 16
[2024-12-02 15:10:53,179 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:10:53,179 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 67 transitions.
[2024-12-02 15:10:53,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 15:10:53,179 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 67 transitions.
[2024-12-02 15:10:53,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2024-12-02 15:10:53,179 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:10:53,180 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:10:53,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 15:10:53,180 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting insertionSortErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [insertionSortErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] ===
[2024-12-02 15:10:53,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:10:53,180 INFO L85 PathProgramCache]: Analyzing trace with hash 2014457142, now seen corresponding path program 1 times
[2024-12-02 15:10:53,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:10:53,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854821448]
[2024-12-02 15:10:53,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:10:53,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:10:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:10:53,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 15:10:53,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:10:53,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854821448]
[2024-12-02 15:10:53,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854821448] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:10:53,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:10:53,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 15:10:53,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112695480]
[2024-12-02 15:10:53,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:10:53,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 15:10:53,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:10:53,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 15:10:53,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-12-02 15:10:53,236 INFO L87 Difference]: Start difference. First operand 56 states and 67 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:10:53,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:10:53,305 INFO L93 Difference]: Finished difference Result 53 states and 58 transitions.
[2024-12-02 15:10:53,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-12-02 15:10:53,306 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17
[2024-12-02 15:10:53,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:10:53,306 INFO L225 Difference]: With dead ends: 53
[2024-12-02 15:10:53,306 INFO L226 Difference]: Without dead ends: 53
[2024-12-02 15:10:53,306 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2024-12-02 15:10:53,307 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 23 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:10:53,307 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 142 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:10:53,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states.
[2024-12-02 15:10:53,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52.
[2024-12-02 15:10:53,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 46 states have internal predecessors, (52), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-12-02 15:10:53,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 58 transitions.
[2024-12-02 15:10:53,311 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 58 transitions. Word has length 17
[2024-12-02 15:10:53,311 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:10:53,311 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 58 transitions.
[2024-12-02 15:10:53,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:10:53,312 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 58 transitions.
[2024-12-02 15:10:53,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-12-02 15:10:53,312 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:10:53,312 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:10:53,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 15:10:53,312 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting insertionSortErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [insertionSortErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] ===
[2024-12-02 15:10:53,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:10:53,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1976331953, now seen corresponding path program 1 times
[2024-12-02 15:10:53,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:10:53,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769273560]
[2024-12-02 15:10:53,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:10:53,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:10:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:10:53,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:10:53,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:10:53,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769273560]
[2024-12-02 15:10:53,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769273560] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 15:10:53,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250950513]
[2024-12-02 15:10:53,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:10:53,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:10:53,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:10:53,528 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:10:53,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 15:10:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:10:53,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-12-02 15:10:53,569 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:10:53,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 15:10:53,688 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 15:10:53,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1250950513] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:10:53,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 15:10:53,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 12
[2024-12-02 15:10:53,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231634944]
[2024-12-02 15:10:53,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:10:53,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 15:10:53,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:10:53,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 15:10:53,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156
[2024-12-02 15:10:53,690 INFO L87 Difference]: Start difference. First operand 52 states and 58 transitions. Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:10:53,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:10:53,808 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions.
[2024-12-02 15:10:53,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-12-02 15:10:53,808 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18
[2024-12-02 15:10:53,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:10:53,809 INFO L225 Difference]: With dead ends: 52
[2024-12-02 15:10:53,809 INFO L226 Difference]: Without dead ends: 52
[2024-12-02 15:10:53,809 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240
[2024-12-02 15:10:53,810 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 17 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:10:53,810 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 148 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:10:53,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states.
[2024-12-02 15:10:53,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52.
[2024-12-02 15:10:53,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 41 states have (on average 1.2439024390243902) internal successors, (51), 46 states have internal predecessors, (51), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-12-02 15:10:53,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions.
[2024-12-02 15:10:53,814 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 18
[2024-12-02 15:10:53,814 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:10:53,814 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions.
[2024-12-02 15:10:53,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:10:53,815 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions.
[2024-12-02 15:10:53,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-12-02 15:10:53,815 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:10:53,815 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:10:53,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-12-02 15:10:54,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2024-12-02 15:10:54,016 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [insertionSortErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] ===
[2024-12-02 15:10:54,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:10:54,017 INFO L85 PathProgramCache]: Analyzing trace with hash -2048030452, now seen corresponding path program 1 times
[2024-12-02 15:10:54,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:10:54,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321475495]
[2024-12-02 15:10:54,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:10:54,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:10:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:10:54,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 15:10:54,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:10:54,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321475495]
[2024-12-02 15:10:54,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321475495] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:10:54,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:10:54,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:10:54,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565305222]
[2024-12-02 15:10:54,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:10:54,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:10:54,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:10:54,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:10:54,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:10:54,077 INFO L87 Difference]: Start difference. First operand 52 states and 57 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 15:10:54,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:10:54,106 INFO L93 Difference]: Finished difference Result 56 states and 61 transitions.
[2024-12-02 15:10:54,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 15:10:54,107 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18
[2024-12-02 15:10:54,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:10:54,108 INFO L225 Difference]: With dead ends: 56
[2024-12-02 15:10:54,108 INFO L226 Difference]: Without dead ends: 54
[2024-12-02 15:10:54,108 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:10:54,109 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 22 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:10:54,109 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 96 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:10:54,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2024-12-02 15:10:54,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 52.
[2024-12-02 15:10:54,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 41 states have (on average 1.2195121951219512) internal successors, (50), 46 states have internal predecessors, (50), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-12-02 15:10:54,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions.
[2024-12-02 15:10:54,115 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 18
[2024-12-02 15:10:54,115 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:10:54,115 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions.
[2024-12-02 15:10:54,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 15:10:54,115 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions.
[2024-12-02 15:10:54,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-12-02 15:10:54,116 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:10:54,116 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:10:54,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-02 15:10:54,116 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting insertionSortErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [insertionSortErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] ===
[2024-12-02 15:10:54,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:10:54,117 INFO L85 PathProgramCache]: Analyzing trace with hash -768827798, now seen corresponding path program 1 times
[2024-12-02 15:10:54,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:10:54,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40173936]
[2024-12-02 15:10:54,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:10:54,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:10:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:10:54,244 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:10:54,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:10:54,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40173936]
[2024-12-02 15:10:54,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40173936] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 15:10:54,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731642200]
[2024-12-02 15:10:54,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:10:54,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:10:54,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:10:54,247 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:10:54,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-02 15:10:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:10:54,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 13 conjuncts are in the unsatisfiable core
[2024-12-02 15:10:54,294 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:10:54,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:10:54,423 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 15:10:54,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:10:54,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731642200] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 15:10:54,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 15:10:54,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 18
[2024-12-02 15:10:54,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903188861]
[2024-12-02 15:10:54,516 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 15:10:54,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2024-12-02 15:10:54,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:10:54,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2024-12-02 15:10:54,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306
[2024-12-02 15:10:54,517 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand has 18 states, 16 states have (on average 2.875) internal successors, (46), 13 states have internal predecessors, (46), 3 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:10:54,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:10:54,639 INFO L93 Difference]: Finished difference Result 83 states and 87 transitions.
[2024-12-02 15:10:54,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-12-02 15:10:54,639 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 2.875) internal successors, (46), 13 states have internal predecessors, (46), 3 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23
[2024-12-02 15:10:54,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:10:54,640 INFO L225 Difference]: With dead ends: 83
[2024-12-02 15:10:54,640 INFO L226 Difference]: Without dead ends: 83
[2024-12-02 15:10:54,640 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 33 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420
[2024-12-02 15:10:54,641 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 52 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:10:54,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 272 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:10:54,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states.
[2024-12-02 15:10:54,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 75.
[2024-12-02 15:10:54,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 60 states have (on average 1.1666666666666667) internal successors, (70), 66 states have internal predecessors, (70), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5)
[2024-12-02 15:10:54,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 80 transitions.
[2024-12-02 15:10:54,646 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 80 transitions. Word has length 23
[2024-12-02 15:10:54,646 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:10:54,647 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 80 transitions.
[2024-12-02 15:10:54,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 2.875) internal successors, (46), 13 states have internal predecessors, (46), 3 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:10:54,647 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 80 transitions.
[2024-12-02 15:10:54,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2024-12-02 15:10:54,648 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:10:54,648 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:10:54,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-12-02 15:10:54,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2024-12-02 15:10:54,848 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting insertionSortErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [insertionSortErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] ===
[2024-12-02 15:10:54,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:10:54,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1533366737, now seen corresponding path program 2 times
[2024-12-02 15:10:54,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:10:54,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507507616]
[2024-12-02 15:10:54,849 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 15:10:54,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:10:54,866 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 15:10:54,866 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 15:10:55,254 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-12-02 15:10:55,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:10:55,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507507616]
[2024-12-02 15:10:55,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507507616] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 15:10:55,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434891849]
[2024-12-02 15:10:55,254 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 15:10:55,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:10:55,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:10:55,256 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:10:55,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-12-02 15:10:55,307 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 15:10:55,307 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 15:10:55,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 32 conjuncts are in the unsatisfiable core
[2024-12-02 15:10:55,310 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:10:55,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1
[2024-12-02 15:10:55,582 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:10:55,582 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 15:10:55,924 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:10:55,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434891849] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 15:10:55,924 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 15:10:55,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 27
[2024-12-02 15:10:55,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270365193]
[2024-12-02 15:10:55,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 15:10:55,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states
[2024-12-02 15:10:55,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:10:55,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants.
[2024-12-02 15:10:55,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=681, Unknown=0, NotChecked=0, Total=756
[2024-12-02 15:10:55,926 INFO L87 Difference]: Start difference. First operand 75 states and 80 transitions. Second operand has 28 states, 24 states have (on average 2.875) internal successors, (69), 22 states have internal predecessors, (69), 6 states have call successors, (6), 6 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:10:56,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:10:56,921 INFO L93 Difference]: Finished difference Result 100 states and 108 transitions.
[2024-12-02 15:10:56,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2024-12-02 15:10:56,921 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 24 states have (on average 2.875) internal successors, (69), 22 states have internal predecessors, (69), 6 states have call successors, (6), 6 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27
[2024-12-02 15:10:56,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:10:56,922 INFO L225 Difference]: With dead ends: 100
[2024-12-02 15:10:56,922 INFO L226 Difference]: Without dead ends: 100
[2024-12-02 15:10:56,923 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=217, Invalid=1853, Unknown=0, NotChecked=0, Total=2070
[2024-12-02 15:10:56,923 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 179 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 15:10:56,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 510 Invalid, 919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 903 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 15:10:56,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states.
[2024-12-02 15:10:56,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 93.
[2024-12-02 15:10:56,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 77 states have (on average 1.2077922077922079) internal successors, (93), 82 states have internal predecessors, (93), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6)
[2024-12-02 15:10:56,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 105 transitions.
[2024-12-02 15:10:56,929 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 105 transitions. Word has length 27
[2024-12-02 15:10:56,929 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:10:56,929 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 105 transitions.
[2024-12-02 15:10:56,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 24 states have (on average 2.875) internal successors, (69), 22 states have internal predecessors, (69), 6 states have call successors, (6), 6 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:10:56,929 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 105 transitions.
[2024-12-02 15:10:56,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2024-12-02 15:10:56,930 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:10:56,930 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:10:56,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-12-02 15:10:57,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12
[2024-12-02 15:10:57,131 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting insertionSortErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [insertionSortErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] ===
[2024-12-02 15:10:57,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:10:57,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1581437962, now seen corresponding path program 1 times
[2024-12-02 15:10:57,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:10:57,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36260277]
[2024-12-02 15:10:57,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:10:57,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:10:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:10:57,286 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2024-12-02 15:10:57,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:10:57,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36260277]
[2024-12-02 15:10:57,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36260277] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 15:10:57,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313672402]
[2024-12-02 15:10:57,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:10:57,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:10:57,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:10:57,288 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:10:57,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-12-02 15:10:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:10:57,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-12-02 15:10:57,345 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:10:57,479 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2024-12-02 15:10:57,479 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 15:10:57,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [313672402] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:10:57,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 15:10:57,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 15
[2024-12-02 15:10:57,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70150587]
[2024-12-02 15:10:57,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:10:57,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-12-02 15:10:57,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:10:57,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-12-02 15:10:57,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240
[2024-12-02 15:10:57,480 INFO L87 Difference]: Start difference. First operand 93 states and 105 transitions. Second operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:10:57,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:10:57,608 INFO L93 Difference]: Finished difference Result 92 states and 101 transitions.
[2024-12-02 15:10:57,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-12-02 15:10:57,609 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31
[2024-12-02 15:10:57,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:10:57,609 INFO L225 Difference]: With dead ends: 92
[2024-12-02 15:10:57,609 INFO L226 Difference]: Without dead ends: 92
[2024-12-02 15:10:57,610 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420
[2024-12-02 15:10:57,610 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 46 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:10:57,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 94 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:10:57,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states.
[2024-12-02 15:10:57,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92.
[2024-12-02 15:10:57,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 79 states have (on average 1.1265822784810127) internal successors, (89), 81 states have internal predecessors, (89), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6)
[2024-12-02 15:10:57,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 101 transitions.
[2024-12-02 15:10:57,615 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 101 transitions. Word has length 31
[2024-12-02 15:10:57,615 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:10:57,615 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 101 transitions.
[2024-12-02 15:10:57,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:10:57,616 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions.
[2024-12-02 15:10:57,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2024-12-02 15:10:57,616 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:10:57,617 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 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, 1]
[2024-12-02 15:10:57,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-12-02 15:10:57,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2024-12-02 15:10:57,817 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [insertionSortErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] ===
[2024-12-02 15:10:57,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:10:57,817 INFO L85 PathProgramCache]: Analyzing trace with hash 2005370379, now seen corresponding path program 1 times
[2024-12-02 15:10:57,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:10:57,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144808272]
[2024-12-02 15:10:57,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:10:57,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:10:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:10:57,866 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-12-02 15:10:57,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:10:57,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144808272]
[2024-12-02 15:10:57,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144808272] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:10:57,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:10:57,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 15:10:57,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687067861]
[2024-12-02 15:10:57,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:10:57,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:10:57,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:10:57,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:10:57,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:10:57,867 INFO L87 Difference]: Start difference. First operand 92 states and 101 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 15:10:57,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:10:57,888 INFO L93 Difference]: Finished difference Result 91 states and 100 transitions.
[2024-12-02 15:10:57,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 15:10:57,888 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 31
[2024-12-02 15:10:57,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:10:57,889 INFO L225 Difference]: With dead ends: 91
[2024-12-02 15:10:57,889 INFO L226 Difference]: Without dead ends: 59
[2024-12-02 15:10:57,889 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:10:57,890 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 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
[2024-12-02 15:10:57,890 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:10:57,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states.
[2024-12-02 15:10:57,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 39.
[2024-12-02 15:10:57,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 36 states have internal predecessors, (40), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:10:57,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions.
[2024-12-02 15:10:57,892 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 31
[2024-12-02 15:10:57,892 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:10:57,892 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions.
[2024-12-02 15:10:57,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 15:10:57,892 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions.
[2024-12-02 15:10:57,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2024-12-02 15:10:57,893 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:10:57,893 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:10:57,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-12-02 15:10:57,893 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting insertionSortErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [insertionSortErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] ===
[2024-12-02 15:10:57,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:10:57,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1779930481, now seen corresponding path program 1 times
[2024-12-02 15:10:57,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:10:57,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982068689]
[2024-12-02 15:10:57,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:10:57,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:10:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:10:57,986 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 15:10:57,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:10:57,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982068689]
[2024-12-02 15:10:57,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982068689] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 15:10:57,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168574808]
[2024-12-02 15:10:57,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:10:57,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:10:57,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:10:57,988 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:10:57,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-12-02 15:10:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:10:58,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-12-02 15:10:58,040 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:10:58,073 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 15:10:58,073 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 15:10:58,122 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 15:10:58,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [168574808] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 15:10:58,123 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 15:10:58,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 11
[2024-12-02 15:10:58,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242255853]
[2024-12-02 15:10:58,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 15:10:58,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-12-02 15:10:58,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:10:58,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-12-02 15:10:58,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110
[2024-12-02 15:10:58,124 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand has 11 states, 10 states have (on average 3.5) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:10:58,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:10:58,217 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions.
[2024-12-02 15:10:58,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-12-02 15:10:58,218 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.5) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32
[2024-12-02 15:10:58,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:10:58,218 INFO L225 Difference]: With dead ends: 51
[2024-12-02 15:10:58,218 INFO L226 Difference]: Without dead ends: 51
[2024-12-02 15:10:58,218 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 56 SyntacticMatches, 6 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272
[2024-12-02 15:10:58,219 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 109 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:10:58,219 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 115 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:10:58,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2024-12-02 15:10:58,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 41.
[2024-12-02 15:10:58,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 38 states have (on average 1.105263157894737) internal successors, (42), 38 states have internal predecessors, (42), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:10:58,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions.
[2024-12-02 15:10:58,220 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 32
[2024-12-02 15:10:58,220 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:10:58,220 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions.
[2024-12-02 15:10:58,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.5) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:10:58,220 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions.
[2024-12-02 15:10:58,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2024-12-02 15:10:58,221 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:10:58,221 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:10:58,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-12-02 15:10:58,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2024-12-02 15:10:58,421 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting insertionSortErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [insertionSortErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, insertionSortErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] ===
[2024-12-02 15:10:58,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:10:58,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1489513852, now seen corresponding path program 1 times
[2024-12-02 15:10:58,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:10:58,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363775795]
[2024-12-02 15:10:58,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:10:58,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:10:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:10:58,696 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-12-02 15:10:58,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:10:58,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363775795]
[2024-12-02 15:10:58,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363775795] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 15:10:58,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549995132]
[2024-12-02 15:10:58,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:10:58,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:10:58,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:10:58,698 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:10:58,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-12-02 15:10:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:10:58,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-12-02 15:10:58,759 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:10:58,975 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2024-12-02 15:10:58,975 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 15:10:59,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5
[2024-12-02 15:10:59,226 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2024-12-02 15:10:59,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549995132] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 15:10:59,227 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 15:10:59,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 24
[2024-12-02 15:10:59,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735531706]
[2024-12-02 15:10:59,227 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 15:10:59,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states
[2024-12-02 15:10:59,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:10:59,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants.
[2024-12-02 15:10:59,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=512, Unknown=0, NotChecked=0, Total=600
[2024-12-02 15:10:59,228 INFO L87 Difference]: Start difference. First operand 41 states and 44 transitions. Second operand has 25 states, 24 states have (on average 3.25) internal successors, (78), 23 states have internal predecessors, (78), 4 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:10:59,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:10:59,598 INFO L93 Difference]: Finished difference Result 50 states and 54 transitions.
[2024-12-02 15:10:59,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2024-12-02 15:10:59,599 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.25) internal successors, (78), 23 states have internal predecessors, (78), 4 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40
[2024-12-02 15:10:59,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:10:59,599 INFO L225 Difference]: With dead ends: 50
[2024-12-02 15:10:59,599 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 15:10:59,600 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 63 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=222, Invalid=900, Unknown=0, NotChecked=0, Total=1122
[2024-12-02 15:10:59,600 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 88 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 15:10:59,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 90 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 15:10:59,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 15:10:59,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 15:10:59,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:10:59,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 15:10:59,601 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40
[2024-12-02 15:10:59,601 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:10:59,601 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 15:10:59,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.25) internal successors, (78), 23 states have internal predecessors, (78), 4 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:10:59,601 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 15:10:59,602 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 15:10:59,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location insertionSortErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 16 remaining)
[2024-12-02 15:10:59,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location insertionSortErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 16 remaining)
[2024-12-02 15:10:59,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location insertionSortErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 16 remaining)
[2024-12-02 15:10:59,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location insertionSortErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 16 remaining)
[2024-12-02 15:10:59,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location insertionSortErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 16 remaining)
[2024-12-02 15:10:59,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location insertionSortErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 16 remaining)
[2024-12-02 15:10:59,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location insertionSortErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 16 remaining)
[2024-12-02 15:10:59,605 INFO L782 garLoopResultBuilder]: Registering result SAFE for location insertionSortErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 16 remaining)
[2024-12-02 15:10:59,605 INFO L782 garLoopResultBuilder]: Registering result SAFE for location insertionSortErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 16 remaining)
[2024-12-02 15:10:59,605 INFO L782 garLoopResultBuilder]: Registering result SAFE for location insertionSortErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 16 remaining)
[2024-12-02 15:10:59,605 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 16 remaining)
[2024-12-02 15:10:59,605 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 16 remaining)
[2024-12-02 15:10:59,605 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (3 of 16 remaining)
[2024-12-02 15:10:59,605 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE (2 of 16 remaining)
[2024-12-02 15:10:59,605 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE (1 of 16 remaining)
[2024-12-02 15:10:59,605 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (0 of 16 remaining)
[2024-12-02 15:10:59,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-12-02 15:10:59,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2024-12-02 15:10:59,808 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:10:59,809 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 15:10:59,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:10:59 BoogieIcfgContainer
[2024-12-02 15:10:59,812 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 15:10:59,813 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 15:10:59,813 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 15:10:59,813 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 15:10:59,814 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:10:50" (3/4) ...
[2024-12-02 15:10:59,815 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 15:10:59,820 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure insertionSort
[2024-12-02 15:10:59,824 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges
[2024-12-02 15:10:59,824 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges
[2024-12-02 15:10:59,824 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-12-02 15:10:59,824 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 15:10:59,887 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 15:10:59,887 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 15:10:59,887 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 15:10:59,888 INFO L158 Benchmark]: Toolchain (without parser) took 10440.70ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 54.0MB in the end (delta: 63.4MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB.
[2024-12-02 15:10:59,888 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:10:59,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.14ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 106.8MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 15:10:59,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.13ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 105.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:10:59,889 INFO L158 Benchmark]: Boogie Preprocessor took 32.94ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.4MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 15:10:59,889 INFO L158 Benchmark]: RCFGBuilder took 298.82ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 90.3MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 15:10:59,889 INFO L158 Benchmark]: TraceAbstraction took 9801.75ms. Allocated memory is still 142.6MB. Free memory was 89.7MB in the beginning and 57.5MB in the end (delta: 32.2MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB.
[2024-12-02 15:10:59,889 INFO L158 Benchmark]: Witness Printer took 74.31ms. Allocated memory is still 142.6MB. Free memory was 57.5MB in the beginning and 54.0MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 15:10:59,891 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 200.14ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 106.8MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 26.13ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 105.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 32.94ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.4MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 298.82ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 90.3MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 9801.75ms. Allocated memory is still 142.6MB. Free memory was 89.7MB in the beginning and 57.5MB in the end (delta: 32.2MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB.
* Witness Printer took 74.31ms. Allocated memory is still 142.6MB. Free memory was 57.5MB in the beginning and 54.0MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. 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: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: 39]: free always succeeds
For all program executions holds that free always succeeds at this location
- PositiveResult [Line: 39]: free always succeeds
For all program executions holds that free always succeeds at this location
- PositiveResult [Line: 39]: free always succeeds
For all program executions holds that free always succeeds at this location
- PositiveResult [Line: 23]: all allocated memory was freed
For all program executions holds that all allocated memory was freed at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 49 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 9.8s, OverallIterations: 17, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 728 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 715 mSDsluCounter, 2374 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1811 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2308 IncrementalHoareTripleChecker+Invalid, 2357 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 563 mSDtfsCounter, 2308 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 481 GetRequests, 269 SyntacticMatches, 16 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 855 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=13, InterpolantAutomatonStates: 126, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 17 MinimizatonAttempts, 60 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 508 NumberOfCodeBlocks, 508 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 622 ConstructedInterpolants, 0 QuantifiedInterpolants, 4545 SizeOfPredicates, 37 NumberOfNonLiveVariables, 795 ConjunctsInSsa, 111 ConjunctsInUnsatCore, 31 InterpolantComputations, 11 PerfectInterpolantSequences, 125/188 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
RESULT: Ultimate proved your program to be correct!
[2024-12-02 15:10:59,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3842f72c-ca74-4914-907f-41d9f51486ac/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE