./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-buckets-1.i --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/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_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-buckets-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c6b726a83620fff2a21a6dbfdec50e244c1786dd86dd76b1719515a59b3627ac
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 09:00:15,159 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 09:00:15,213 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 09:00:15,217 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 09:00:15,217 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 09:00:15,236 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 09:00:15,236 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 09:00:15,236 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 09:00:15,237 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 09:00:15,237 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 09:00:15,237 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 09:00:15,237 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 09:00:15,237 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 09:00:15,237 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 09:00:15,237 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 09:00:15,238 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 09:00:15,238 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-02 09:00:15,238 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-12-02 09:00:15,238 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-02 09:00:15,238 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-12-02 09:00:15,238 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 09:00:15,238 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 09:00:15,238 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 09:00:15,238 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 09:00:15,238 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-12-02 09:00:15,238 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 09:00:15,239 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 09:00:15,239 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 09:00:15,239 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 09:00:15,239 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 09:00:15,239 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 09:00:15,239 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 09:00:15,239 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 09:00:15,239 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 09:00:15,239 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 09:00:15,239 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 09:00:15,240 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 09:00:15,240 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 09:00:15,240 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 09:00:15,240 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 09:00:15,240 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-02 09:00:15,240 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 09:00:15,240 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-12-02 09:00:15,240 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 09:00:15,240 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 09:00:15,240 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 09:00:15,241 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 09:00:15,241 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 09:00:15,241 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_200f7d83-6006-40be-accf-5d73fa1e1341/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 ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6b726a83620fff2a21a6dbfdec50e244c1786dd86dd76b1719515a59b3627ac
[2024-12-02 09:00:15,443 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 09:00:15,449 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 09:00:15,451 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 09:00:15,452 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 09:00:15,453 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 09:00:15,454 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/forester-heap/sll-buckets-1.i
[2024-12-02 09:00:18,065 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/data/84209f2f8/58c37c6e82584057b65d4469b89cd3d1/FLAG6051f0745
[2024-12-02 09:00:18,287 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 09:00:18,287 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/sv-benchmarks/c/forester-heap/sll-buckets-1.i
[2024-12-02 09:00:18,296 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/data/84209f2f8/58c37c6e82584057b65d4469b89cd3d1/FLAG6051f0745
[2024-12-02 09:00:18,628 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/data/84209f2f8/58c37c6e82584057b65d4469b89cd3d1
[2024-12-02 09:00:18,630 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 09:00:18,631 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 09:00:18,632 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 09:00:18,632 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 09:00:18,634 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 09:00:18,635 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:00:18" (1/1) ...
[2024-12-02 09:00:18,635 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27da482b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:00:18, skipping insertion in model container
[2024-12-02 09:00:18,636 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:00:18" (1/1) ...
[2024-12-02 09:00:18,660 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 09:00:18,855 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/sv-benchmarks/c/forester-heap/sll-buckets-1.i[22663,22676]
[2024-12-02 09:00:18,858 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/sv-benchmarks/c/forester-heap/sll-buckets-1.i[22734,22747]
[2024-12-02 09:00:18,860 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/sv-benchmarks/c/forester-heap/sll-buckets-1.i[22862,22875]
[2024-12-02 09:00:18,864 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/sv-benchmarks/c/forester-heap/sll-buckets-1.i[23275,23288]
[2024-12-02 09:00:18,864 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/sv-benchmarks/c/forester-heap/sll-buckets-1.i[23364,23377]
[2024-12-02 09:00:18,867 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 09:00:18,874 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-02 09:00:18,908 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/sv-benchmarks/c/forester-heap/sll-buckets-1.i[22663,22676]
[2024-12-02 09:00:18,909 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/sv-benchmarks/c/forester-heap/sll-buckets-1.i[22734,22747]
[2024-12-02 09:00:18,910 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/sv-benchmarks/c/forester-heap/sll-buckets-1.i[22862,22875]
[2024-12-02 09:00:18,913 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/sv-benchmarks/c/forester-heap/sll-buckets-1.i[23275,23288]
[2024-12-02 09:00:18,914 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/sv-benchmarks/c/forester-heap/sll-buckets-1.i[23364,23377]
[2024-12-02 09:00:18,916 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 09:00:18,934 INFO  L204         MainTranslator]: Completed translation
[2024-12-02 09:00:18,934 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:00:18 WrapperNode
[2024-12-02 09:00:18,935 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 09:00:18,935 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 09:00:18,935 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 09:00:18,936 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 09:00:18,941 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:00:18" (1/1) ...
[2024-12-02 09:00:18,950 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:00:18" (1/1) ...
[2024-12-02 09:00:18,967 INFO  L138                Inliner]: procedures = 119, calls = 42, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 145
[2024-12-02 09:00:18,967 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 09:00:18,968 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 09:00:18,968 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 09:00:18,968 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 09:00:18,974 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:00:18" (1/1) ...
[2024-12-02 09:00:18,975 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:00:18" (1/1) ...
[2024-12-02 09:00:18,977 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:00:18" (1/1) ...
[2024-12-02 09:00:18,991 INFO  L175           MemorySlicer]: Split 32 memory accesses to 2 slices as follows [2, 30]. 94 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 16 writes are split as follows [0, 16].
[2024-12-02 09:00:18,991 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:00:18" (1/1) ...
[2024-12-02 09:00:18,991 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:00:18" (1/1) ...
[2024-12-02 09:00:18,999 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:00:18" (1/1) ...
[2024-12-02 09:00:18,999 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:00:18" (1/1) ...
[2024-12-02 09:00:19,003 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:00:18" (1/1) ...
[2024-12-02 09:00:19,004 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:00:18" (1/1) ...
[2024-12-02 09:00:19,005 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:00:18" (1/1) ...
[2024-12-02 09:00:19,008 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 09:00:19,008 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 09:00:19,008 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 09:00:19,008 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-02 09:00:19,009 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:00:18" (1/1) ...
[2024-12-02 09:00:19,014 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 09:00:19,021 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:00:19,030 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 09:00:19,032 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 09:00:19,049 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#0
[2024-12-02 09:00:19,049 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#1
[2024-12-02 09:00:19,049 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#0
[2024-12-02 09:00:19,050 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#1
[2024-12-02 09:00:19,050 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-12-02 09:00:19,050 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 09:00:19,050 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-12-02 09:00:19,050 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-12-02 09:00:19,050 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-12-02 09:00:19,050 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-12-02 09:00:19,050 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-12-02 09:00:19,050 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 09:00:19,050 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-12-02 09:00:19,050 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 09:00:19,051 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 09:00:19,132 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-02 09:00:19,133 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 09:00:19,344 INFO  L?                        ?]: Removed 29 outVars from TransFormulas that were not future-live.
[2024-12-02 09:00:19,344 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-02 09:00:19,353 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 09:00:19,354 INFO  L312             CfgBuilder]: Removed 10 assume(true) statements.
[2024-12-02 09:00:19,354 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:00:19 BoogieIcfgContainer
[2024-12-02 09:00:19,354 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 09:00:19,356 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 09:00:19,356 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 09:00:19,360 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-02 09:00:19,360 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:00:18" (1/3) ...
[2024-12-02 09:00:19,361 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df095ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:00:19, skipping insertion in model container
[2024-12-02 09:00:19,361 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:00:18" (2/3) ...
[2024-12-02 09:00:19,361 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df095ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:00:19, skipping insertion in model container
[2024-12-02 09:00:19,361 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:00:19" (3/3) ...
[2024-12-02 09:00:19,362 INFO  L128   eAbstractionObserver]: Analyzing ICFG sll-buckets-1.i
[2024-12-02 09:00:19,377 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 09:00:19,378 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG sll-buckets-1.i that has 1 procedures, 49 locations, 1 initial locations, 10 loop locations, and 5 error locations.
[2024-12-02 09:00:19,424 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 09:00:19,432 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6ccc04d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 09:00:19,433 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-12-02 09:00:19,436 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 49 states, 43 states have (on average 1.7674418604651163) internal successors, (76), 48 states have internal predecessors, (76), 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 09:00:19,439 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-12-02 09:00:19,439 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:00:19,439 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:00:19,440 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:00:19,444 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:00:19,444 INFO  L85        PathProgramCache]: Analyzing trace with hash 294364465, now seen corresponding path program 1 times
[2024-12-02 09:00:19,451 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:00:19,451 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565251943]
[2024-12-02 09:00:19,452 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:00:19,452 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:00:19,588 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:00:19,749 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 09:00:19,750 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:00:19,750 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565251943]
[2024-12-02 09:00:19,751 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565251943] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 09:00:19,751 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 09:00:19,751 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 09:00:19,752 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931952889]
[2024-12-02 09:00:19,753 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 09:00:19,756 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 09:00:19,757 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:00:19,771 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 09:00:19,771 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 09:00:19,772 INFO  L87              Difference]: Start difference. First operand  has 49 states, 43 states have (on average 1.7674418604651163) internal successors, (76), 48 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:00:19,855 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:00:19,855 INFO  L93              Difference]: Finished difference Result 116 states and 186 transitions.
[2024-12-02 09:00:19,856 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 09:00:19,857 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2024-12-02 09:00:19,858 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:00:19,864 INFO  L225             Difference]: With dead ends: 116
[2024-12-02 09:00:19,864 INFO  L226             Difference]: Without dead ends: 65
[2024-12-02 09:00:19,866 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 09:00:19,868 INFO  L435           NwaCegarLoop]: 41 mSDtfsCounter, 63 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 09:00:19,868 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 90 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 09:00:19,881 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 65 states.
[2024-12-02 09:00:19,891 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 46.
[2024-12-02 09:00:19,892 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 46 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 45 states have internal predecessors, (54), 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 09:00:19,895 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 54 transitions.
[2024-12-02 09:00:19,897 INFO  L78                 Accepts]: Start accepts. Automaton has 46 states and 54 transitions. Word has length 9
[2024-12-02 09:00:19,897 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:00:19,897 INFO  L471      AbstractCegarLoop]: Abstraction has 46 states and 54 transitions.
[2024-12-02 09:00:19,897 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:00:19,898 INFO  L276                IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions.
[2024-12-02 09:00:19,898 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-12-02 09:00:19,898 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:00:19,898 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:00:19,898 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 09:00:19,899 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:00:19,899 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:00:19,899 INFO  L85        PathProgramCache]: Analyzing trace with hash 1242712599, now seen corresponding path program 1 times
[2024-12-02 09:00:19,899 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:00:19,899 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696334003]
[2024-12-02 09:00:19,899 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:00:19,900 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:00:19,942 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:00:20,001 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 09:00:20,001 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:00:20,001 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696334003]
[2024-12-02 09:00:20,001 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696334003] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 09:00:20,001 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 09:00:20,002 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 09:00:20,002 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799899866]
[2024-12-02 09:00:20,002 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 09:00:20,003 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 09:00:20,003 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:00:20,004 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 09:00:20,004 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 09:00:20,004 INFO  L87              Difference]: Start difference. First operand 46 states and 54 transitions. Second operand  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:00:20,043 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:00:20,043 INFO  L93              Difference]: Finished difference Result 48 states and 56 transitions.
[2024-12-02 09:00:20,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 09:00:20,044 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2024-12-02 09:00:20,044 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:00:20,045 INFO  L225             Difference]: With dead ends: 48
[2024-12-02 09:00:20,045 INFO  L226             Difference]: Without dead ends: 46
[2024-12-02 09:00:20,045 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 09:00:20,046 INFO  L435           NwaCegarLoop]: 49 mSDtfsCounter, 5 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 09:00:20,046 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 80 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 09:00:20,047 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 46 states.
[2024-12-02 09:00:20,051 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44.
[2024-12-02 09:00:20,051 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 44 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 43 states have internal predecessors, (52), 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 09:00:20,052 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions.
[2024-12-02 09:00:20,052 INFO  L78                 Accepts]: Start accepts. Automaton has 44 states and 52 transitions. Word has length 10
[2024-12-02 09:00:20,052 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:00:20,052 INFO  L471      AbstractCegarLoop]: Abstraction has 44 states and 52 transitions.
[2024-12-02 09:00:20,053 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:00:20,053 INFO  L276                IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions.
[2024-12-02 09:00:20,053 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-12-02 09:00:20,053 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:00:20,053 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:00:20,053 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 09:00:20,054 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:00:20,054 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:00:20,054 INFO  L85        PathProgramCache]: Analyzing trace with hash -583461257, now seen corresponding path program 1 times
[2024-12-02 09:00:20,054 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:00:20,054 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278144999]
[2024-12-02 09:00:20,054 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:00:20,055 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:00:20,115 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:00:20,157 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 09:00:20,157 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:00:20,158 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278144999]
[2024-12-02 09:00:20,158 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278144999] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 09:00:20,158 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 09:00:20,158 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 09:00:20,158 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737606728]
[2024-12-02 09:00:20,158 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 09:00:20,158 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 09:00:20,158 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:00:20,159 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 09:00:20,159 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 09:00:20,159 INFO  L87              Difference]: Start difference. First operand 44 states and 52 transitions. Second operand  has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:00:20,195 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:00:20,195 INFO  L93              Difference]: Finished difference Result 44 states and 52 transitions.
[2024-12-02 09:00:20,196 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 09:00:20,196 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2024-12-02 09:00:20,196 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:00:20,197 INFO  L225             Difference]: With dead ends: 44
[2024-12-02 09:00:20,197 INFO  L226             Difference]: Without dead ends: 42
[2024-12-02 09:00:20,197 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 09:00:20,198 INFO  L435           NwaCegarLoop]: 39 mSDtfsCounter, 19 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 09:00:20,198 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 54 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 09:00:20,199 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42 states.
[2024-12-02 09:00:20,203 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42.
[2024-12-02 09:00:20,204 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 42 states, 40 states have (on average 1.25) internal successors, (50), 41 states have internal predecessors, (50), 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 09:00:20,204 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions.
[2024-12-02 09:00:20,204 INFO  L78                 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 11
[2024-12-02 09:00:20,205 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:00:20,205 INFO  L471      AbstractCegarLoop]: Abstraction has 42 states and 50 transitions.
[2024-12-02 09:00:20,205 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:00:20,205 INFO  L276                IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions.
[2024-12-02 09:00:20,205 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-12-02 09:00:20,205 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:00:20,205 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:00:20,206 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 09:00:20,206 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:00:20,206 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:00:20,206 INFO  L85        PathProgramCache]: Analyzing trace with hash 243137401, now seen corresponding path program 1 times
[2024-12-02 09:00:20,207 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:00:20,207 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67389249]
[2024-12-02 09:00:20,207 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:00:20,207 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:00:20,256 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:00:20,609 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 09:00:20,609 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:00:20,609 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67389249]
[2024-12-02 09:00:20,609 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67389249] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 09:00:20,609 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 09:00:20,609 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 09:00:20,610 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263420672]
[2024-12-02 09:00:20,610 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 09:00:20,610 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 09:00:20,610 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:00:20,610 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 09:00:20,611 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 09:00:20,611 INFO  L87              Difference]: Start difference. First operand 42 states and 50 transitions. Second operand  has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:00:20,775 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:00:20,775 INFO  L93              Difference]: Finished difference Result 67 states and 80 transitions.
[2024-12-02 09:00:20,775 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 09:00:20,776 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12
[2024-12-02 09:00:20,776 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:00:20,776 INFO  L225             Difference]: With dead ends: 67
[2024-12-02 09:00:20,777 INFO  L226             Difference]: Without dead ends: 54
[2024-12-02 09:00:20,777 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 09:00:20,778 INFO  L435           NwaCegarLoop]: 36 mSDtfsCounter, 8 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 09:00:20,778 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 107 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 09:00:20,779 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2024-12-02 09:00:20,785 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 48.
[2024-12-02 09:00:20,785 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 48 states, 46 states have (on average 1.2391304347826086) internal successors, (57), 47 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:00:20,786 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 57 transitions.
[2024-12-02 09:00:20,786 INFO  L78                 Accepts]: Start accepts. Automaton has 48 states and 57 transitions. Word has length 12
[2024-12-02 09:00:20,786 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:00:20,787 INFO  L471      AbstractCegarLoop]: Abstraction has 48 states and 57 transitions.
[2024-12-02 09:00:20,787 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:00:20,787 INFO  L276                IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions.
[2024-12-02 09:00:20,787 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-12-02 09:00:20,787 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:00:20,787 INFO  L218           NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:00:20,788 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 09:00:20,788 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:00:20,788 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:00:20,788 INFO  L85        PathProgramCache]: Analyzing trace with hash 1880189873, now seen corresponding path program 1 times
[2024-12-02 09:00:20,788 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:00:20,788 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203436759]
[2024-12-02 09:00:20,789 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:00:20,789 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:00:20,830 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:00:21,073 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:00:21,073 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:00:21,074 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203436759]
[2024-12-02 09:00:21,074 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203436759] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 09:00:21,074 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993314610]
[2024-12-02 09:00:21,074 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:00:21,074 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:00:21,074 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:00:21,076 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:00:21,077 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 09:00:21,213 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:00:21,216 INFO  L256         TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 31 conjuncts are in the unsatisfiable core
[2024-12-02 09:00:21,223 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:00:21,284 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:00:21,319 INFO  L349             Elim1Store]: treesize reduction 31, result has 13.9 percent of original size
[2024-12-02 09:00:21,320 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 30
[2024-12-02 09:00:21,333 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 28
[2024-12-02 09:00:21,355 INFO  L349             Elim1Store]: treesize reduction 44, result has 10.2 percent of original size
[2024-12-02 09:00:21,356 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 41
[2024-12-02 09:00:21,556 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:00:21,557 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 36
[2024-12-02 09:00:21,592 INFO  L349             Elim1Store]: treesize reduction 12, result has 58.6 percent of original size
[2024-12-02 09:00:21,592 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 29
[2024-12-02 09:00:21,667 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 29
[2024-12-02 09:00:21,835 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-02 09:00:21,835 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 15
[2024-12-02 09:00:21,844 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:00:21,844 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 09:00:21,897 WARN  L851   $PredicateComparison]: unable to prove that (forall ((v_ArrVal_384 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_384) |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|) 0))) is different from false
[2024-12-02 09:00:21,913 WARN  L851   $PredicateComparison]: unable to prove that (forall ((v_ArrVal_384 (Array Int Int)) (|v_ULTIMATE.start_main_~item~0#1.base_27| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_main_~item~0#1.base_27|) 0)) (not (= (select (select (store |c_#memory_$Pointer$#1.base| |v_ULTIMATE.start_main_~item~0#1.base_27| v_ArrVal_384) |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|) 0)))) is different from false
[2024-12-02 09:00:21,963 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:00:21,963 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [993314610] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 09:00:21,963 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 09:00:21,964 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 13
[2024-12-02 09:00:21,964 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261906857]
[2024-12-02 09:00:21,964 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 09:00:21,964 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-12-02 09:00:21,964 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:00:21,965 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-12-02 09:00:21,965 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=83, Unknown=2, NotChecked=38, Total=156
[2024-12-02 09:00:21,966 INFO  L87              Difference]: Start difference. First operand 48 states and 57 transitions. Second operand  has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:00:22,840 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:00:22,841 INFO  L93              Difference]: Finished difference Result 152 states and 183 transitions.
[2024-12-02 09:00:22,841 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-12-02 09:00:22,841 INFO  L78                 Accepts]: Start accepts. Automaton has  has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18
[2024-12-02 09:00:22,842 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:00:22,843 INFO  L225             Difference]: With dead ends: 152
[2024-12-02 09:00:22,843 INFO  L226             Difference]: Without dead ends: 150
[2024-12-02 09:00:22,843 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=109, Invalid=239, Unknown=2, NotChecked=70, Total=420
[2024-12-02 09:00:22,844 INFO  L435           NwaCegarLoop]: 31 mSDtfsCounter, 247 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 297 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 09:00:22,845 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 307 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 237 Invalid, 0 Unknown, 297 Unchecked, 0.5s Time]
[2024-12-02 09:00:22,845 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 150 states.
[2024-12-02 09:00:22,862 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 75.
[2024-12-02 09:00:22,862 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 75 states, 73 states have (on average 1.2602739726027397) internal successors, (92), 74 states have internal predecessors, (92), 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 09:00:22,863 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 92 transitions.
[2024-12-02 09:00:22,863 INFO  L78                 Accepts]: Start accepts. Automaton has 75 states and 92 transitions. Word has length 18
[2024-12-02 09:00:22,863 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:00:22,863 INFO  L471      AbstractCegarLoop]: Abstraction has 75 states and 92 transitions.
[2024-12-02 09:00:22,864 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:00:22,864 INFO  L276                IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions.
[2024-12-02 09:00:22,864 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-12-02 09:00:22,864 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:00:22,864 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:00:22,875 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 09:00:23,065 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:00:23,065 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:00:23,066 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:00:23,066 INFO  L85        PathProgramCache]: Analyzing trace with hash 2005956332, now seen corresponding path program 1 times
[2024-12-02 09:00:23,066 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:00:23,066 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479875763]
[2024-12-02 09:00:23,066 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:00:23,066 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:00:23,119 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:00:23,946 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 09:00:23,946 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:00:23,946 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479875763]
[2024-12-02 09:00:23,946 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479875763] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 09:00:23,946 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003048062]
[2024-12-02 09:00:23,946 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:00:23,946 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:00:23,947 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:00:23,949 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:00:23,950 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 09:00:24,090 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:00:24,093 INFO  L256         TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 45 conjuncts are in the unsatisfiable core
[2024-12-02 09:00:24,097 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:00:24,122 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 36
[2024-12-02 09:00:24,130 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26
[2024-12-02 09:00:24,149 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:00:24,150 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:00:24,153 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 27
[2024-12-02 09:00:24,165 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 32
[2024-12-02 09:00:24,202 INFO  L349             Elim1Store]: treesize reduction 54, result has 23.9 percent of original size
[2024-12-02 09:00:24,203 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 75 treesize of output 65
[2024-12-02 09:00:24,223 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15
[2024-12-02 09:00:24,231 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:00:24,232 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:00:24,235 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19
[2024-12-02 09:00:24,246 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11
[2024-12-02 09:00:24,490 INFO  L349             Elim1Store]: treesize reduction 33, result has 17.5 percent of original size
[2024-12-02 09:00:24,491 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 60
[2024-12-02 09:00:24,504 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:00:24,505 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 53
[2024-12-02 09:00:24,755 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 09:00:24,755 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 09:00:24,957 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 09:00:24,957 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003048062] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 09:00:24,957 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 09:00:24,957 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 14
[2024-12-02 09:00:24,957 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892014983]
[2024-12-02 09:00:24,957 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 09:00:24,958 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-12-02 09:00:24,958 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:00:24,958 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-12-02 09:00:24,958 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182
[2024-12-02 09:00:24,958 INFO  L87              Difference]: Start difference. First operand 75 states and 92 transitions. Second operand  has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 14 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:00:25,687 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:00:25,687 INFO  L93              Difference]: Finished difference Result 99 states and 118 transitions.
[2024-12-02 09:00:25,688 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-12-02 09:00:25,688 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 14 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18
[2024-12-02 09:00:25,688 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:00:25,689 INFO  L225             Difference]: With dead ends: 99
[2024-12-02 09:00:25,689 INFO  L226             Difference]: Without dead ends: 86
[2024-12-02 09:00:25,689 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272
[2024-12-02 09:00:25,690 INFO  L435           NwaCegarLoop]: 38 mSDtfsCounter, 29 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-02 09:00:25,690 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 209 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-12-02 09:00:25,691 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 86 states.
[2024-12-02 09:00:25,703 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 81.
[2024-12-02 09:00:25,703 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 81 states, 79 states have (on average 1.240506329113924) internal successors, (98), 80 states have internal predecessors, (98), 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 09:00:25,704 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 98 transitions.
[2024-12-02 09:00:25,704 INFO  L78                 Accepts]: Start accepts. Automaton has 81 states and 98 transitions. Word has length 18
[2024-12-02 09:00:25,704 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:00:25,704 INFO  L471      AbstractCegarLoop]: Abstraction has 81 states and 98 transitions.
[2024-12-02 09:00:25,704 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 14 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:00:25,705 INFO  L276                IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions.
[2024-12-02 09:00:25,705 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2024-12-02 09:00:25,705 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:00:25,705 INFO  L218           NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:00:25,712 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 09:00:25,906 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2024-12-02 09:00:25,906 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:00:25,906 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:00:25,906 INFO  L85        PathProgramCache]: Analyzing trace with hash 2002948098, now seen corresponding path program 2 times
[2024-12-02 09:00:25,906 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:00:25,906 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602246365]
[2024-12-02 09:00:25,907 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 09:00:25,907 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:00:25,952 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 09:00:25,952 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 09:00:26,471 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:00:26,472 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:00:26,472 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602246365]
[2024-12-02 09:00:26,472 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602246365] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 09:00:26,472 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012573277]
[2024-12-02 09:00:26,472 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 09:00:26,472 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:00:26,472 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:00:26,474 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:00:26,475 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 09:00:27,030 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 09:00:27,030 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 09:00:27,032 INFO  L256         TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 47 conjuncts are in the unsatisfiable core
[2024-12-02 09:00:27,037 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:00:27,060 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 32
[2024-12-02 09:00:27,092 INFO  L349             Elim1Store]: treesize reduction 54, result has 23.9 percent of original size
[2024-12-02 09:00:27,093 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 112 treesize of output 98
[2024-12-02 09:00:27,105 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 52
[2024-12-02 09:00:27,111 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:00:27,125 INFO  L349             Elim1Store]: treesize reduction 29, result has 37.0 percent of original size
[2024-12-02 09:00:27,126 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 28
[2024-12-02 09:00:27,144 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11
[2024-12-02 09:00:27,149 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:00:27,151 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:00:27,155 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:00:27,165 INFO  L349             Elim1Store]: treesize reduction 31, result has 13.9 percent of original size
[2024-12-02 09:00:27,166 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 46
[2024-12-02 09:00:27,333 INFO  L349             Elim1Store]: treesize reduction 13, result has 40.9 percent of original size
[2024-12-02 09:00:27,333 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 20
[2024-12-02 09:00:27,347 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:00:27,358 INFO  L349             Elim1Store]: treesize reduction 25, result has 16.7 percent of original size
[2024-12-02 09:00:27,358 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 60
[2024-12-02 09:00:27,369 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:00:27,389 INFO  L349             Elim1Store]: treesize reduction 12, result has 67.6 percent of original size
[2024-12-02 09:00:27,389 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 37
[2024-12-02 09:00:27,467 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16
[2024-12-02 09:00:27,486 INFO  L349             Elim1Store]: treesize reduction 25, result has 16.7 percent of original size
[2024-12-02 09:00:27,486 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 87 treesize of output 58
[2024-12-02 09:00:27,695 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7
[2024-12-02 09:00:27,790 INFO  L349             Elim1Store]: treesize reduction 13, result has 23.5 percent of original size
[2024-12-02 09:00:27,790 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 29
[2024-12-02 09:00:27,798 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:00:27,798 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 09:00:27,887 WARN  L851   $PredicateComparison]: unable to prove that (forall ((v_ArrVal_678 (Array Int Int)) (v_ArrVal_677 (Array Int Int))) (not (= (select (let ((.cse0 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_678))) (select .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|))) (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_677) |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|)) 0))) is different from false
[2024-12-02 09:00:27,968 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:00:27,968 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012573277] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 09:00:27,968 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 09:00:27,968 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18
[2024-12-02 09:00:27,968 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457946068]
[2024-12-02 09:00:27,968 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 09:00:27,969 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2024-12-02 09:00:27,969 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:00:27,969 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2024-12-02 09:00:27,969 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=221, Unknown=2, NotChecked=30, Total=306
[2024-12-02 09:00:27,970 INFO  L87              Difference]: Start difference. First operand 81 states and 98 transitions. Second operand  has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:00:28,956 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:00:28,956 INFO  L93              Difference]: Finished difference Result 179 states and 218 transitions.
[2024-12-02 09:00:28,957 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2024-12-02 09:00:28,957 INFO  L78                 Accepts]: Start accepts. Automaton has  has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21
[2024-12-02 09:00:28,957 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:00:28,958 INFO  L225             Difference]: With dead ends: 179
[2024-12-02 09:00:28,958 INFO  L226             Difference]: Without dead ends: 177
[2024-12-02 09:00:28,959 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=214, Invalid=658, Unknown=2, NotChecked=56, Total=930
[2024-12-02 09:00:28,960 INFO  L435           NwaCegarLoop]: 32 mSDtfsCounter, 633 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 164 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 09:00:28,960 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [633 Valid, 241 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 239 Invalid, 0 Unknown, 164 Unchecked, 0.4s Time]
[2024-12-02 09:00:28,961 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 177 states.
[2024-12-02 09:00:28,981 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 106.
[2024-12-02 09:00:28,981 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 106 states, 104 states have (on average 1.2596153846153846) internal successors, (131), 105 states have internal predecessors, (131), 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 09:00:28,982 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 131 transitions.
[2024-12-02 09:00:28,982 INFO  L78                 Accepts]: Start accepts. Automaton has 106 states and 131 transitions. Word has length 21
[2024-12-02 09:00:28,982 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:00:28,982 INFO  L471      AbstractCegarLoop]: Abstraction has 106 states and 131 transitions.
[2024-12-02 09:00:28,982 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:00:28,982 INFO  L276                IsEmpty]: Start isEmpty. Operand 106 states and 131 transitions.
[2024-12-02 09:00:28,983 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2024-12-02 09:00:28,983 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:00:28,983 INFO  L218           NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:00:28,990 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-02 09:00:29,183 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6
[2024-12-02 09:00:29,183 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:00:29,184 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:00:29,184 INFO  L85        PathProgramCache]: Analyzing trace with hash -218907119, now seen corresponding path program 3 times
[2024-12-02 09:00:29,184 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:00:29,184 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619016337]
[2024-12-02 09:00:29,184 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 09:00:29,184 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:00:29,221 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2024-12-02 09:00:29,221 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 09:00:29,452 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2024-12-02 09:00:29,453 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:00:29,453 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619016337]
[2024-12-02 09:00:29,453 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619016337] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 09:00:29,453 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 09:00:29,453 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-02 09:00:29,453 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133756483]
[2024-12-02 09:00:29,453 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 09:00:29,453 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 09:00:29,453 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:00:29,454 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 09:00:29,454 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-12-02 09:00:29,454 INFO  L87              Difference]: Start difference. First operand 106 states and 131 transitions. Second operand  has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:00:29,737 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:00:29,737 INFO  L93              Difference]: Finished difference Result 201 states and 248 transitions.
[2024-12-02 09:00:29,737 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-12-02 09:00:29,738 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24
[2024-12-02 09:00:29,738 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:00:29,739 INFO  L225             Difference]: With dead ends: 201
[2024-12-02 09:00:29,739 INFO  L226             Difference]: Without dead ends: 138
[2024-12-02 09:00:29,739 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110
[2024-12-02 09:00:29,740 INFO  L435           NwaCegarLoop]: 31 mSDtfsCounter, 91 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 09:00:29,740 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 170 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 09:00:29,740 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 138 states.
[2024-12-02 09:00:29,760 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 113.
[2024-12-02 09:00:29,760 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 113 states, 111 states have (on average 1.2432432432432432) internal successors, (138), 112 states have internal predecessors, (138), 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 09:00:29,760 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 138 transitions.
[2024-12-02 09:00:29,760 INFO  L78                 Accepts]: Start accepts. Automaton has 113 states and 138 transitions. Word has length 24
[2024-12-02 09:00:29,760 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:00:29,761 INFO  L471      AbstractCegarLoop]: Abstraction has 113 states and 138 transitions.
[2024-12-02 09:00:29,761 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:00:29,761 INFO  L276                IsEmpty]: Start isEmpty. Operand 113 states and 138 transitions.
[2024-12-02 09:00:29,761 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2024-12-02 09:00:29,761 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:00:29,761 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:00:29,761 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 09:00:29,762 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:00:29,762 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:00:29,762 INFO  L85        PathProgramCache]: Analyzing trace with hash -1392029665, now seen corresponding path program 2 times
[2024-12-02 09:00:29,762 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:00:29,762 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623361298]
[2024-12-02 09:00:29,762 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 09:00:29,762 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:00:29,795 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 09:00:29,795 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 09:00:30,500 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:00:30,500 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:00:30,500 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623361298]
[2024-12-02 09:00:30,500 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623361298] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 09:00:30,500 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970322673]
[2024-12-02 09:00:30,500 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 09:00:30,500 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:00:30,500 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:00:30,502 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:00:30,505 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-02 09:00:30,828 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 09:00:30,828 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 09:00:30,830 INFO  L256         TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 55 conjuncts are in the unsatisfiable core
[2024-12-02 09:00:30,834 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:00:30,858 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 36
[2024-12-02 09:00:30,864 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 40
[2024-12-02 09:00:30,893 INFO  L349             Elim1Store]: treesize reduction 62, result has 21.5 percent of original size
[2024-12-02 09:00:30,894 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 84
[2024-12-02 09:00:30,904 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15
[2024-12-02 09:00:30,917 INFO  L349             Elim1Store]: treesize reduction 19, result has 5.0 percent of original size
[2024-12-02 09:00:30,918 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 43
[2024-12-02 09:00:30,929 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11
[2024-12-02 09:00:30,937 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:00:30,938 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 50
[2024-12-02 09:00:30,942 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 31
[2024-12-02 09:00:30,952 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11
[2024-12-02 09:00:31,177 INFO  L349             Elim1Store]: treesize reduction 64, result has 19.0 percent of original size
[2024-12-02 09:00:31,177 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 114 treesize of output 80
[2024-12-02 09:00:31,196 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:00:31,196 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 71
[2024-12-02 09:00:31,432 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:00:31,433 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 78
[2024-12-02 09:00:31,461 INFO  L349             Elim1Store]: treesize reduction 87, result has 14.7 percent of original size
[2024-12-02 09:00:31,461 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 121 treesize of output 83
[2024-12-02 09:00:31,867 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:00:31,867 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 09:00:32,219 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:00:32,219 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970322673] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 09:00:32,219 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 09:00:32,219 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 9] total 21
[2024-12-02 09:00:32,219 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307711401]
[2024-12-02 09:00:32,219 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 09:00:32,220 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 21 states
[2024-12-02 09:00:32,220 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:00:32,220 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants.
[2024-12-02 09:00:32,221 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=347, Unknown=0, NotChecked=0, Total=420
[2024-12-02 09:00:32,221 INFO  L87              Difference]: Start difference. First operand 113 states and 138 transitions. Second operand  has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 21 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:00:33,351 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:00:33,351 INFO  L93              Difference]: Finished difference Result 150 states and 178 transitions.
[2024-12-02 09:00:33,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-12-02 09:00:33,352 INFO  L78                 Accepts]: Start accepts. Automaton has  has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 21 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24
[2024-12-02 09:00:33,352 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:00:33,352 INFO  L225             Difference]: With dead ends: 150
[2024-12-02 09:00:33,352 INFO  L226             Difference]: Without dead ends: 137
[2024-12-02 09:00:33,353 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=130, Invalid=572, Unknown=0, NotChecked=0, Total=702
[2024-12-02 09:00:33,353 INFO  L435           NwaCegarLoop]: 46 mSDtfsCounter, 58 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 09:00:33,354 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 341 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 09:00:33,354 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 137 states.
[2024-12-02 09:00:33,373 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 119.
[2024-12-02 09:00:33,374 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 119 states, 117 states have (on average 1.2307692307692308) internal successors, (144), 118 states have internal predecessors, (144), 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 09:00:33,374 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 144 transitions.
[2024-12-02 09:00:33,374 INFO  L78                 Accepts]: Start accepts. Automaton has 119 states and 144 transitions. Word has length 24
[2024-12-02 09:00:33,374 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:00:33,375 INFO  L471      AbstractCegarLoop]: Abstraction has 119 states and 144 transitions.
[2024-12-02 09:00:33,375 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 21 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:00:33,375 INFO  L276                IsEmpty]: Start isEmpty. Operand 119 states and 144 transitions.
[2024-12-02 09:00:33,375 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2024-12-02 09:00:33,376 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:00:33,376 INFO  L218           NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:00:33,385 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-12-02 09:00:33,576 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:00:33,576 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:00:33,577 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:00:33,577 INFO  L85        PathProgramCache]: Analyzing trace with hash -505911950, now seen corresponding path program 1 times
[2024-12-02 09:00:33,577 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:00:33,577 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900562447]
[2024-12-02 09:00:33,577 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:00:33,577 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:00:33,616 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:00:34,107 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-12-02 09:00:34,107 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:00:34,107 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900562447]
[2024-12-02 09:00:34,107 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900562447] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 09:00:34,107 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353253304]
[2024-12-02 09:00:34,108 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:00:34,108 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:00:34,108 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:00:34,110 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:00:34,112 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-12-02 09:00:34,286 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:00:34,288 INFO  L256         TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 60 conjuncts are in the unsatisfiable core
[2024-12-02 09:00:34,293 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:00:34,316 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:00:34,346 INFO  L349             Elim1Store]: treesize reduction 31, result has 13.9 percent of original size
[2024-12-02 09:00:34,347 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 30
[2024-12-02 09:00:34,356 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 28
[2024-12-02 09:00:34,365 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 28
[2024-12-02 09:00:34,386 INFO  L349             Elim1Store]: treesize reduction 44, result has 10.2 percent of original size
[2024-12-02 09:00:34,386 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 133 treesize of output 100
[2024-12-02 09:00:34,395 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 16
[2024-12-02 09:00:34,403 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 11
[2024-12-02 09:00:34,413 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11
[2024-12-02 09:00:34,585 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:00:34,585 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 39
[2024-12-02 09:00:34,610 INFO  L349             Elim1Store]: treesize reduction 12, result has 58.6 percent of original size
[2024-12-02 09:00:34,610 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 29
[2024-12-02 09:00:34,620 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15
[2024-12-02 09:00:34,630 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16
[2024-12-02 09:00:34,701 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16
[2024-12-02 09:00:34,711 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24
[2024-12-02 09:00:34,716 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 32
[2024-12-02 09:00:35,030 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22
[2024-12-02 09:00:35,038 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7
[2024-12-02 09:00:35,101 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-12-02 09:00:35,102 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 09:00:39,123 WARN  L851   $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~bcki~0#1.offset| Int) (|ULTIMATE.start_main_~bcki~0#1.base| Int)) (not (= (select (select |c_#memory_int#1| |c_ULTIMATE.start_main_~item~0#1.base|) (+ |c_ULTIMATE.start_main_~item~0#1.offset| 4)) (select (select |c_#memory_int#1| |ULTIMATE.start_main_~bcki~0#1.base|) (+ 8 |ULTIMATE.start_main_~bcki~0#1.offset|))))) is different from false
[2024-12-02 09:00:39,408 WARN  L851   $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (let ((.cse0 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~item~0#1.base| (store (select |c_#memory_int#1| |c_ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|) 1)))) (or (forall ((v_ArrVal_1059 (Array Int Int)) (v_ArrVal_1058 (Array Int Int))) (= (select (select .cse0 (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_1058) |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (+ (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_1059) |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|) 8)) 1)) (forall ((|v_ULTIMATE.start_main_~bcki~0#1.base_63| Int) (|v_ULTIMATE.start_main_~bcki~0#1.offset_58| Int)) (not (= (select (select .cse0 |v_ULTIMATE.start_main_~bcki~0#1.base_63|) (+ |v_ULTIMATE.start_main_~bcki~0#1.offset_58| 8)) 1)))))) is different from false
[2024-12-02 09:00:39,432 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-02 09:00:39,432 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 48
[2024-12-02 09:00:39,565 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 9 not checked.
[2024-12-02 09:00:39,566 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [353253304] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 09:00:39,566 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 09:00:39,566 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 10] total 22
[2024-12-02 09:00:39,566 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6361838]
[2024-12-02 09:00:39,566 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 09:00:39,566 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 22 states
[2024-12-02 09:00:39,566 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:00:39,567 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2024-12-02 09:00:39,567 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=328, Unknown=2, NotChecked=74, Total=462
[2024-12-02 09:00:39,567 INFO  L87              Difference]: Start difference. First operand 119 states and 144 transitions. Second operand  has 22 states, 22 states have (on average 2.727272727272727) internal successors, (60), 22 states have internal predecessors, (60), 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 09:00:41,334 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:00:41,334 INFO  L93              Difference]: Finished difference Result 302 states and 370 transitions.
[2024-12-02 09:00:41,334 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-12-02 09:00:41,334 INFO  L78                 Accepts]: Start accepts. Automaton has  has 22 states, 22 states have (on average 2.727272727272727) internal successors, (60), 22 states have internal predecessors, (60), 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 25
[2024-12-02 09:00:41,335 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:00:41,336 INFO  L225             Difference]: With dead ends: 302
[2024-12-02 09:00:41,336 INFO  L226             Difference]: Without dead ends: 261
[2024-12-02 09:00:41,336 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=188, Invalid=688, Unknown=2, NotChecked=114, Total=992
[2024-12-02 09:00:41,337 INFO  L435           NwaCegarLoop]: 39 mSDtfsCounter, 171 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 262 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-12-02 09:00:41,337 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 518 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 566 Invalid, 0 Unknown, 262 Unchecked, 1.1s Time]
[2024-12-02 09:00:41,337 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 261 states.
[2024-12-02 09:00:41,365 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 177.
[2024-12-02 09:00:41,366 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 177 states, 175 states have (on average 1.2457142857142858) internal successors, (218), 176 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:00:41,366 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 218 transitions.
[2024-12-02 09:00:41,367 INFO  L78                 Accepts]: Start accepts. Automaton has 177 states and 218 transitions. Word has length 25
[2024-12-02 09:00:41,367 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:00:41,367 INFO  L471      AbstractCegarLoop]: Abstraction has 177 states and 218 transitions.
[2024-12-02 09:00:41,367 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 22 states, 22 states have (on average 2.727272727272727) internal successors, (60), 22 states have internal predecessors, (60), 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 09:00:41,367 INFO  L276                IsEmpty]: Start isEmpty. Operand 177 states and 218 transitions.
[2024-12-02 09:00:41,368 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2024-12-02 09:00:41,368 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:00:41,368 INFO  L218           NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:00:41,376 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-12-02 09:00:41,568 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2024-12-02 09:00:41,569 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:00:41,569 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:00:41,569 INFO  L85        PathProgramCache]: Analyzing trace with hash 2100111604, now seen corresponding path program 1 times
[2024-12-02 09:00:41,569 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:00:41,569 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895259943]
[2024-12-02 09:00:41,569 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:00:41,570 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:00:41,599 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:00:42,200 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:00:42,200 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:00:42,200 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895259943]
[2024-12-02 09:00:42,200 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895259943] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 09:00:42,200 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468686247]
[2024-12-02 09:00:42,200 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:00:42,200 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:00:42,200 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:00:42,202 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:00:42,204 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-12-02 09:00:42,380 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:00:42,382 INFO  L256         TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 64 conjuncts are in the unsatisfiable core
[2024-12-02 09:00:42,387 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:00:42,420 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 32
[2024-12-02 09:00:42,436 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22
[2024-12-02 09:00:42,452 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 32
[2024-12-02 09:00:42,495 INFO  L349             Elim1Store]: treesize reduction 54, result has 23.9 percent of original size
[2024-12-02 09:00:42,495 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 180 treesize of output 156
[2024-12-02 09:00:42,504 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:00:42,506 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:00:42,509 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:00:42,522 INFO  L349             Elim1Store]: treesize reduction 31, result has 13.9 percent of original size
[2024-12-02 09:00:42,522 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 46
[2024-12-02 09:00:42,539 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 25
[2024-12-02 09:00:42,552 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11
[2024-12-02 09:00:42,561 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:00:42,565 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 11
[2024-12-02 09:00:42,695 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:00:42,703 INFO  L349             Elim1Store]: treesize reduction 25, result has 16.7 percent of original size
[2024-12-02 09:00:42,703 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 102 treesize of output 71
[2024-12-02 09:00:42,709 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:00:42,725 INFO  L349             Elim1Store]: treesize reduction 12, result has 67.6 percent of original size
[2024-12-02 09:00:42,725 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 37
[2024-12-02 09:00:42,741 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29
[2024-12-02 09:00:42,746 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:00:42,747 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 39
[2024-12-02 09:00:42,849 INFO  L349             Elim1Store]: treesize reduction 25, result has 16.7 percent of original size
[2024-12-02 09:00:42,849 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 100 treesize of output 69
[2024-12-02 09:00:42,868 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 38
[2024-12-02 09:00:42,874 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:00:42,877 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 39
[2024-12-02 09:00:43,436 INFO  L349             Elim1Store]: treesize reduction 13, result has 23.5 percent of original size
[2024-12-02 09:00:43,437 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 114 treesize of output 53
[2024-12-02 09:00:43,444 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16
[2024-12-02 09:00:43,531 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:00:43,531 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 09:00:43,694 WARN  L851   $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1216 (Array Int Int)) (v_ArrVal_1215 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (= (let ((.cse3 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_1216)) (.cse0 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_1215))) (let ((.cse1 (select (select .cse0 |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (.cse2 (select (select .cse3 |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|))) (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_main_~item~0#1.base| (store (select |c_#memory_int#1| |c_ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|) 2)) (select (select .cse0 .cse1) .cse2)) (+ (select (select .cse3 .cse1) .cse2) 8)))) 2)) is different from false
[2024-12-02 09:00:43,709 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-02 09:00:43,709 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 63
[2024-12-02 09:00:43,830 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:00:43,830 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468686247] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 09:00:43,830 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 09:00:43,830 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 23
[2024-12-02 09:00:43,830 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6388999]
[2024-12-02 09:00:43,830 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 09:00:43,830 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 23 states
[2024-12-02 09:00:43,831 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:00:43,831 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2024-12-02 09:00:43,831 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=409, Unknown=1, NotChecked=40, Total=506
[2024-12-02 09:00:43,831 INFO  L87              Difference]: Start difference. First operand 177 states and 218 transitions. Second operand  has 23 states, 23 states have (on average 2.739130434782609) internal successors, (63), 23 states have internal predecessors, (63), 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 09:00:46,171 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:00:46,172 INFO  L93              Difference]: Finished difference Result 347 states and 427 transitions.
[2024-12-02 09:00:46,172 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2024-12-02 09:00:46,172 INFO  L78                 Accepts]: Start accepts. Automaton has  has 23 states, 23 states have (on average 2.739130434782609) internal successors, (63), 23 states have internal predecessors, (63), 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 25
[2024-12-02 09:00:46,172 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:00:46,174 INFO  L225             Difference]: With dead ends: 347
[2024-12-02 09:00:46,174 INFO  L226             Difference]: Without dead ends: 307
[2024-12-02 09:00:46,174 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=226, Invalid=967, Unknown=1, NotChecked=66, Total=1260
[2024-12-02 09:00:46,175 INFO  L435           NwaCegarLoop]: 46 mSDtfsCounter, 262 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 151 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-12-02 09:00:46,175 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 629 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 794 Invalid, 0 Unknown, 151 Unchecked, 1.3s Time]
[2024-12-02 09:00:46,175 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 307 states.
[2024-12-02 09:00:46,208 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 234.
[2024-12-02 09:00:46,208 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 234 states, 232 states have (on average 1.2456896551724137) internal successors, (289), 233 states have internal predecessors, (289), 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 09:00:46,209 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 289 transitions.
[2024-12-02 09:00:46,209 INFO  L78                 Accepts]: Start accepts. Automaton has 234 states and 289 transitions. Word has length 25
[2024-12-02 09:00:46,209 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:00:46,209 INFO  L471      AbstractCegarLoop]: Abstraction has 234 states and 289 transitions.
[2024-12-02 09:00:46,209 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 23 states, 23 states have (on average 2.739130434782609) internal successors, (63), 23 states have internal predecessors, (63), 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 09:00:46,209 INFO  L276                IsEmpty]: Start isEmpty. Operand 234 states and 289 transitions.
[2024-12-02 09:00:46,210 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2024-12-02 09:00:46,210 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:00:46,210 INFO  L218           NwaCegarLoop]: trace histogram [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]
[2024-12-02 09:00:46,216 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-12-02 09:00:46,411 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2024-12-02 09:00:46,411 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:00:46,411 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:00:46,411 INFO  L85        PathProgramCache]: Analyzing trace with hash 1003860032, now seen corresponding path program 1 times
[2024-12-02 09:00:46,411 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:00:46,411 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145498657]
[2024-12-02 09:00:46,411 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:00:46,411 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:00:46,442 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:00:46,986 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:00:46,986 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:00:46,986 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145498657]
[2024-12-02 09:00:46,986 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145498657] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 09:00:46,986 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593776626]
[2024-12-02 09:00:46,986 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:00:46,986 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:00:46,986 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:00:46,988 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:00:46,988 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-12-02 09:00:47,146 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:00:47,148 INFO  L256         TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 52 conjuncts are in the unsatisfiable core
[2024-12-02 09:00:47,152 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:00:47,176 INFO  L349             Elim1Store]: treesize reduction 44, result has 20.0 percent of original size
[2024-12-02 09:00:47,176 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 2 case distinctions, treesize of input 12 treesize of output 16
[2024-12-02 09:00:47,198 INFO  L349             Elim1Store]: treesize reduction 4, result has 50.0 percent of original size
[2024-12-02 09:00:47,198 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11
[2024-12-02 09:00:47,207 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2024-12-02 09:00:47,447 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1
[2024-12-02 09:00:47,449 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7
[2024-12-02 09:00:47,454 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25
[2024-12-02 09:00:47,552 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3
[2024-12-02 09:00:47,555 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 27 treesize of output 15
[2024-12-02 09:00:47,558 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21
[2024-12-02 09:00:47,648 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:00:47,648 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 09:00:47,709 WARN  L851   $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1380 (Array Int Int))) (let ((.cse0 (+ |c_ULTIMATE.start_main_~bcki~0#1.offset| 4))) (or (not (= v_ArrVal_1380 (store (select |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base|) .cse0 (select v_ArrVal_1380 .cse0)))) (= (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base| v_ArrVal_1380) (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bcki~0#1.base|) .cse0)) (+ (select (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bcki~0#1.base|) .cse0) 4)) (select v_ArrVal_1380 (+ |c_ULTIMATE.start_main_~bcki~0#1.offset| 8)))))) is different from false
[2024-12-02 09:00:47,728 WARN  L851   $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1380 (Array Int Int))) (let ((.cse0 (+ |c_ULTIMATE.start_main_~bucket~0#1.offset| 4))) (or (= (select v_ArrVal_1380 (+ |c_ULTIMATE.start_main_~bucket~0#1.offset| 8)) (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_1380) (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse0)) (+ (select (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse0) 4))) (not (= (store (select |c_#memory_int#1| |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse0 (select v_ArrVal_1380 .cse0)) v_ArrVal_1380))))) is different from false
[2024-12-02 09:00:47,751 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 108 treesize of output 102
[2024-12-02 09:00:47,759 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 170 treesize of output 158
[2024-12-02 09:00:47,904 WARN  L851   $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_ULTIMATE.start_main_~bucket~0#1.offset| 4)) (.cse3 (+ |c_ULTIMATE.start_main_~item~0#1.offset| 4)) (.cse2 (+ |c_ULTIMATE.start_main_~bucket~0#1.offset| 8)) (.cse4 (select |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base|)) (.cse5 (+ |c_ULTIMATE.start_main_~bcki~0#1.offset| 4))) (let ((.cse12 (forall ((v_arrayElimCell_120 Int) (v_ArrVal_1378 Int) (v_arrayElimCell_119 Int) (v_ArrVal_1380 (Array Int Int))) (let ((.cse18 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base| (store .cse4 .cse5 v_ArrVal_1378)))) (let ((.cse19 (select v_ArrVal_1380 .cse2)) (.cse20 (store .cse18 |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_1380))) (or (not (= v_ArrVal_1380 (store (select .cse18 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse1 (select v_ArrVal_1380 .cse1)))) (= .cse19 (select (select .cse20 v_arrayElimCell_119) (+ v_arrayElimCell_120 4))) (= .cse19 (select (select .cse20 |c_ULTIMATE.start_main_~item~0#1.base|) .cse3))))))) (.cse6 (= |c_ULTIMATE.start_main_~bcki~0#1.offset| |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (.cse13 (and (forall ((v_ArrVal_1378 Int) (v_ArrVal_1380 (Array Int Int))) (let ((.cse14 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base| (store .cse4 .cse5 v_ArrVal_1378)))) (or (not (= v_ArrVal_1380 (store (select .cse14 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse1 (select v_ArrVal_1380 .cse1)))) (forall ((v_arrayElimCell_120 Int) (v_arrayElimCell_119 Int)) (let ((.cse15 (select v_ArrVal_1380 .cse2)) (.cse16 (select (store .cse14 |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_1380) v_arrayElimCell_119))) (or (= .cse15 (select .cse16 .cse3)) (= .cse15 (select .cse16 (+ v_arrayElimCell_120 4))))))))) (forall ((v_ArrVal_1378 Int) (v_ArrVal_1380 (Array Int Int))) (let ((.cse17 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base| (store .cse4 .cse5 v_ArrVal_1378)))) (or (not (= v_ArrVal_1380 (store (select .cse17 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse1 (select v_ArrVal_1380 .cse1)))) (forall ((v_arrayElimCell_120 Int) (v_arrayElimCell_119 Int)) (= (select v_ArrVal_1380 .cse2) (select (select (store .cse17 |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_1380) v_arrayElimCell_119) (+ v_arrayElimCell_120 4))))))))) (.cse7 (= |c_ULTIMATE.start_main_~bcki~0#1.base| |c_ULTIMATE.start_main_~bucket~0#1.base|))) (and (or (forall ((v_ArrVal_1378 Int) (v_ArrVal_1380 (Array Int Int))) (let ((.cse0 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base| (store .cse4 .cse5 v_ArrVal_1378)))) (or (not (= v_ArrVal_1380 (store (select .cse0 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse1 (select v_ArrVal_1380 .cse1)))) (= (select v_ArrVal_1380 .cse2) (select (select (store .cse0 |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_1380) |c_ULTIMATE.start_main_~item~0#1.base|) .cse3))))) (not .cse6) (not .cse7)) (forall ((v_ArrVal_1378 Int) (v_ArrVal_1380 (Array Int Int))) (let ((.cse8 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base| (store .cse4 .cse5 v_ArrVal_1378)))) (let ((.cse9 (select v_ArrVal_1380 .cse2)) (.cse11 (store .cse8 |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_1380))) (or (not (= v_ArrVal_1380 (store (select .cse8 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse1 (select v_ArrVal_1380 .cse1)))) (forall ((v_arrayElimCell_120 Int) (v_arrayElimCell_119 Int)) (let ((.cse10 (select .cse11 v_arrayElimCell_119))) (or (= .cse9 (select .cse10 .cse3)) (= .cse9 (select .cse10 (+ v_arrayElimCell_120 4)))))) (= .cse9 (select (select .cse11 |c_ULTIMATE.start_main_~item~0#1.base|) .cse3)))))) (or .cse7 .cse12) (or .cse13 .cse6) (or .cse12 .cse6) (or .cse13 .cse7)))) is different from false
[2024-12-02 09:00:49,640 INFO  L349             Elim1Store]: treesize reduction 31, result has 40.4 percent of original size
[2024-12-02 09:00:49,640 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 190 treesize of output 144
[2024-12-02 09:00:49,663 INFO  L349             Elim1Store]: treesize reduction 12, result has 52.0 percent of original size
[2024-12-02 09:00:49,663 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 208 treesize of output 204
[2024-12-02 09:00:49,903 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-02 09:00:49,903 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 233 treesize of output 294
[2024-12-02 09:01:23,540 WARN  L286               SmtUtils]: Spent 13.49s on a formula simplification. DAG size of input: 651 DAG size of output: 649 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1)
[2024-12-02 09:01:23,540 INFO  L349             Elim1Store]: treesize reduction 6, result has 99.5 percent of original size
[2024-12-02 09:01:23,541 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 1202 treesize of output 1938
[2024-12-02 09:02:05,816 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked.
[2024-12-02 09:02:05,817 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593776626] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 09:02:05,817 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 09:02:05,817 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 31
[2024-12-02 09:02:05,817 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785759151]
[2024-12-02 09:02:05,817 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 09:02:05,817 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 31 states
[2024-12-02 09:02:05,817 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:02:05,818 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants.
[2024-12-02 09:02:05,818 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=645, Unknown=3, NotChecked=162, Total=930
[2024-12-02 09:02:05,818 INFO  L87              Difference]: Start difference. First operand 234 states and 289 transitions. Second operand  has 31 states, 31 states have (on average 2.3225806451612905) internal successors, (72), 31 states have internal predecessors, (72), 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 09:02:09,093 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:02:09,093 INFO  L93              Difference]: Finished difference Result 390 states and 480 transitions.
[2024-12-02 09:02:09,093 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. 
[2024-12-02 09:02:09,093 INFO  L78                 Accepts]: Start accepts. Automaton has  has 31 states, 31 states have (on average 2.3225806451612905) internal successors, (72), 31 states have internal predecessors, (72), 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 27
[2024-12-02 09:02:09,093 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:02:09,094 INFO  L225             Difference]: With dead ends: 390
[2024-12-02 09:02:09,094 INFO  L226             Difference]: Without dead ends: 346
[2024-12-02 09:02:09,095 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 37 SyntacticMatches, 4 SemanticMatches, 46 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 500 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=362, Invalid=1627, Unknown=3, NotChecked=264, Total=2256
[2024-12-02 09:02:09,095 INFO  L435           NwaCegarLoop]: 34 mSDtfsCounter, 223 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 381 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-12-02 09:02:09,095 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 485 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 767 Invalid, 0 Unknown, 381 Unchecked, 2.0s Time]
[2024-12-02 09:02:09,096 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 346 states.
[2024-12-02 09:02:09,147 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 285.
[2024-12-02 09:02:09,148 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 285 states, 283 states have (on average 1.2367491166077738) internal successors, (350), 284 states have internal predecessors, (350), 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 09:02:09,148 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 350 transitions.
[2024-12-02 09:02:09,149 INFO  L78                 Accepts]: Start accepts. Automaton has 285 states and 350 transitions. Word has length 27
[2024-12-02 09:02:09,149 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:02:09,149 INFO  L471      AbstractCegarLoop]: Abstraction has 285 states and 350 transitions.
[2024-12-02 09:02:09,149 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 31 states, 31 states have (on average 2.3225806451612905) internal successors, (72), 31 states have internal predecessors, (72), 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 09:02:09,149 INFO  L276                IsEmpty]: Start isEmpty. Operand 285 states and 350 transitions.
[2024-12-02 09:02:09,149 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2024-12-02 09:02:09,149 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:02:09,149 INFO  L218           NwaCegarLoop]: trace histogram [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, 1]
[2024-12-02 09:02:09,156 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2024-12-02 09:02:09,350 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2024-12-02 09:02:09,350 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:02:09,350 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:02:09,350 INFO  L85        PathProgramCache]: Analyzing trace with hash 360574330, now seen corresponding path program 1 times
[2024-12-02 09:02:09,350 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:02:09,350 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238479137]
[2024-12-02 09:02:09,350 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:02:09,351 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:02:09,396 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:02:09,835 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:02:09,836 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:02:09,836 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238479137]
[2024-12-02 09:02:09,836 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238479137] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 09:02:09,836 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 09:02:09,836 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 09:02:09,836 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621727586]
[2024-12-02 09:02:09,836 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 09:02:09,836 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 09:02:09,836 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:02:09,837 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 09:02:09,837 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-12-02 09:02:09,837 INFO  L87              Difference]: Start difference. First operand 285 states and 350 transitions. Second operand  has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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 09:02:10,226 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:02:10,226 INFO  L93              Difference]: Finished difference Result 363 states and 444 transitions.
[2024-12-02 09:02:10,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 09:02:10,227 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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 30
[2024-12-02 09:02:10,227 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:02:10,229 INFO  L225             Difference]: With dead ends: 363
[2024-12-02 09:02:10,229 INFO  L226             Difference]: Without dead ends: 289
[2024-12-02 09:02:10,230 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72
[2024-12-02 09:02:10,230 INFO  L435           NwaCegarLoop]: 29 mSDtfsCounter, 42 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 09:02:10,230 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 118 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 09:02:10,231 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 289 states.
[2024-12-02 09:02:10,276 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 285.
[2024-12-02 09:02:10,277 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 285 states, 283 states have (on average 1.226148409893993) internal successors, (347), 284 states have internal predecessors, (347), 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 09:02:10,277 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 347 transitions.
[2024-12-02 09:02:10,278 INFO  L78                 Accepts]: Start accepts. Automaton has 285 states and 347 transitions. Word has length 30
[2024-12-02 09:02:10,278 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:02:10,278 INFO  L471      AbstractCegarLoop]: Abstraction has 285 states and 347 transitions.
[2024-12-02 09:02:10,278 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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 09:02:10,278 INFO  L276                IsEmpty]: Start isEmpty. Operand 285 states and 347 transitions.
[2024-12-02 09:02:10,279 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2024-12-02 09:02:10,279 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:02:10,279 INFO  L218           NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:02:10,279 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-12-02 09:02:10,279 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:02:10,279 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:02:10,280 INFO  L85        PathProgramCache]: Analyzing trace with hash 605370130, now seen corresponding path program 3 times
[2024-12-02 09:02:10,280 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:02:10,280 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486242744]
[2024-12-02 09:02:10,280 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 09:02:10,280 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:02:10,308 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s)
[2024-12-02 09:02:10,308 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 09:02:10,914 INFO  L134       CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:02:10,915 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:02:10,915 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486242744]
[2024-12-02 09:02:10,915 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486242744] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 09:02:10,915 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555428234]
[2024-12-02 09:02:10,915 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 09:02:10,915 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:02:10,915 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:02:10,917 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:02:10,918 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-12-02 09:02:13,026 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s)
[2024-12-02 09:02:13,027 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 09:02:13,030 INFO  L256         TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 56 conjuncts are in the unsatisfiable core
[2024-12-02 09:02:13,035 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:02:13,049 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 36
[2024-12-02 09:02:13,055 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 36
[2024-12-02 09:02:13,079 INFO  L349             Elim1Store]: treesize reduction 62, result has 21.5 percent of original size
[2024-12-02 09:02:13,079 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 84
[2024-12-02 09:02:13,090 INFO  L349             Elim1Store]: treesize reduction 19, result has 5.0 percent of original size
[2024-12-02 09:02:13,090 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 43
[2024-12-02 09:02:13,098 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:02:13,099 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 45
[2024-12-02 09:02:13,102 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11
[2024-12-02 09:02:13,109 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15
[2024-12-02 09:02:13,119 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15
[2024-12-02 09:02:13,127 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 1
[2024-12-02 09:02:13,302 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:02:13,302 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 50
[2024-12-02 09:02:13,313 INFO  L349             Elim1Store]: treesize reduction 24, result has 4.0 percent of original size
[2024-12-02 09:02:13,313 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 88 treesize of output 63
[2024-12-02 09:02:13,590 INFO  L349             Elim1Store]: treesize reduction 41, result has 14.6 percent of original size
[2024-12-02 09:02:13,590 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 95 treesize of output 73
[2024-12-02 09:02:13,599 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:02:13,599 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 52
[2024-12-02 09:02:13,948 INFO  L349             Elim1Store]: treesize reduction 64, result has 19.0 percent of original size
[2024-12-02 09:02:13,949 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 121 treesize of output 90
[2024-12-02 09:02:13,964 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:02:13,965 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66
[2024-12-02 09:02:14,208 INFO  L134       CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:02:14,208 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 09:02:14,613 INFO  L134       CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:02:14,614 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [555428234] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 09:02:14,614 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 09:02:14,614 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 9] total 24
[2024-12-02 09:02:14,614 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590943319]
[2024-12-02 09:02:14,614 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 09:02:14,614 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 24 states
[2024-12-02 09:02:14,614 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:02:14,615 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants.
[2024-12-02 09:02:14,615 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=467, Unknown=0, NotChecked=0, Total=552
[2024-12-02 09:02:14,615 INFO  L87              Difference]: Start difference. First operand 285 states and 347 transitions. Second operand  has 24 states, 24 states have (on average 2.9583333333333335) internal successors, (71), 24 states have internal predecessors, (71), 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 09:02:15,884 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:02:15,884 INFO  L93              Difference]: Finished difference Result 302 states and 365 transitions.
[2024-12-02 09:02:15,884 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-12-02 09:02:15,885 INFO  L78                 Accepts]: Start accepts. Automaton has  has 24 states, 24 states have (on average 2.9583333333333335) internal successors, (71), 24 states have internal predecessors, (71), 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 30
[2024-12-02 09:02:15,885 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:02:15,886 INFO  L225             Difference]: With dead ends: 302
[2024-12-02 09:02:15,886 INFO  L226             Difference]: Without dead ends: 269
[2024-12-02 09:02:15,886 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=85, Invalid=467, Unknown=0, NotChecked=0, Total=552
[2024-12-02 09:02:15,887 INFO  L435           NwaCegarLoop]: 47 mSDtfsCounter, 3 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-12-02 09:02:15,887 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 373 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-12-02 09:02:15,887 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 269 states.
[2024-12-02 09:02:15,929 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269.
[2024-12-02 09:02:15,929 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 269 states, 267 states have (on average 1.2359550561797752) internal successors, (330), 268 states have internal predecessors, (330), 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 09:02:15,930 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 330 transitions.
[2024-12-02 09:02:15,930 INFO  L78                 Accepts]: Start accepts. Automaton has 269 states and 330 transitions. Word has length 30
[2024-12-02 09:02:15,930 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:02:15,930 INFO  L471      AbstractCegarLoop]: Abstraction has 269 states and 330 transitions.
[2024-12-02 09:02:15,931 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 24 states, 24 states have (on average 2.9583333333333335) internal successors, (71), 24 states have internal predecessors, (71), 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 09:02:15,931 INFO  L276                IsEmpty]: Start isEmpty. Operand 269 states and 330 transitions.
[2024-12-02 09:02:15,931 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2024-12-02 09:02:15,931 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:02:15,931 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 09:02:15,939 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-12-02 09:02:16,132 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2024-12-02 09:02:16,132 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:02:16,132 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:02:16,132 INFO  L85        PathProgramCache]: Analyzing trace with hash -292441680, now seen corresponding path program 1 times
[2024-12-02 09:02:16,133 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:02:16,133 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690308402]
[2024-12-02 09:02:16,133 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:02:16,133 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:02:16,163 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:02:16,592 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:02:16,593 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:02:16,593 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690308402]
[2024-12-02 09:02:16,593 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690308402] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 09:02:16,593 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720759037]
[2024-12-02 09:02:16,593 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:02:16,593 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:02:16,593 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:02:16,595 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:02:16,595 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-12-02 09:02:16,833 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:02:16,835 INFO  L256         TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 50 conjuncts are in the unsatisfiable core
[2024-12-02 09:02:16,839 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:02:16,850 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:02:16,868 INFO  L349             Elim1Store]: treesize reduction 31, result has 13.9 percent of original size
[2024-12-02 09:02:16,868 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 30
[2024-12-02 09:02:16,874 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 28
[2024-12-02 09:02:16,879 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 28
[2024-12-02 09:02:16,891 INFO  L349             Elim1Store]: treesize reduction 44, result has 10.2 percent of original size
[2024-12-02 09:02:16,891 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 75 treesize of output 52
[2024-12-02 09:02:16,897 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 16
[2024-12-02 09:02:17,021 INFO  L349             Elim1Store]: treesize reduction 13, result has 40.9 percent of original size
[2024-12-02 09:02:17,021 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 20
[2024-12-02 09:02:17,031 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:02:17,032 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 30
[2024-12-02 09:02:17,054 INFO  L349             Elim1Store]: treesize reduction 12, result has 58.6 percent of original size
[2024-12-02 09:02:17,054 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 29
[2024-12-02 09:02:17,109 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23
[2024-12-02 09:02:17,114 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16
[2024-12-02 09:02:17,362 INFO  L349             Elim1Store]: treesize reduction 19, result has 20.8 percent of original size
[2024-12-02 09:02:17,362 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 43
[2024-12-02 09:02:17,367 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16
[2024-12-02 09:02:17,433 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:02:17,434 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 09:02:17,671 WARN  L851   $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_ULTIMATE.start_main_~bucket~0#1.offset| 4))) (and (forall ((v_ArrVal_1812 (Array Int Int)) (v_ArrVal_1811 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_1811))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|) v_ArrVal_1812)) |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse1) 0)) (forall ((v_ArrVal_1813 (Array Int Int)) (v_ArrVal_1811 (Array Int Int)) (v_ArrVal_1810 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_1810) (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_1811) |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|) v_ArrVal_1813) |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse1) 0)))) is different from false
[2024-12-02 09:02:17,777 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:02:17,778 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [720759037] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 09:02:17,778 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 09:02:17,778 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 21
[2024-12-02 09:02:17,778 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490520912]
[2024-12-02 09:02:17,778 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 09:02:17,778 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 21 states
[2024-12-02 09:02:17,778 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:02:17,778 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants.
[2024-12-02 09:02:17,778 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=285, Unknown=19, NotChecked=36, Total=420
[2024-12-02 09:02:17,779 INFO  L87              Difference]: Start difference. First operand 269 states and 330 transitions. Second operand  has 21 states, 21 states have (on average 3.761904761904762) internal successors, (79), 21 states have internal predecessors, (79), 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 09:02:18,600 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:02:18,600 INFO  L93              Difference]: Finished difference Result 367 states and 449 transitions.
[2024-12-02 09:02:18,600 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2024-12-02 09:02:18,601 INFO  L78                 Accepts]: Start accepts. Automaton has  has 21 states, 21 states have (on average 3.761904761904762) internal successors, (79), 21 states have internal predecessors, (79), 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 31
[2024-12-02 09:02:18,601 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:02:18,602 INFO  L225             Difference]: With dead ends: 367
[2024-12-02 09:02:18,602 INFO  L226             Difference]: Without dead ends: 354
[2024-12-02 09:02:18,602 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=133, Invalid=452, Unknown=19, NotChecked=46, Total=650
[2024-12-02 09:02:18,603 INFO  L435           NwaCegarLoop]: 32 mSDtfsCounter, 182 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 85 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-02 09:02:18,603 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 236 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 245 Invalid, 0 Unknown, 85 Unchecked, 0.6s Time]
[2024-12-02 09:02:18,603 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 354 states.
[2024-12-02 09:02:18,656 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 318.
[2024-12-02 09:02:18,657 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 318 states, 316 states have (on average 1.2436708860759493) internal successors, (393), 317 states have internal predecessors, (393), 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 09:02:18,658 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 393 transitions.
[2024-12-02 09:02:18,658 INFO  L78                 Accepts]: Start accepts. Automaton has 318 states and 393 transitions. Word has length 31
[2024-12-02 09:02:18,658 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:02:18,658 INFO  L471      AbstractCegarLoop]: Abstraction has 318 states and 393 transitions.
[2024-12-02 09:02:18,658 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 21 states, 21 states have (on average 3.761904761904762) internal successors, (79), 21 states have internal predecessors, (79), 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 09:02:18,658 INFO  L276                IsEmpty]: Start isEmpty. Operand 318 states and 393 transitions.
[2024-12-02 09:02:18,659 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2024-12-02 09:02:18,659 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:02:18,659 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 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]
[2024-12-02 09:02:18,665 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2024-12-02 09:02:18,859 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2024-12-02 09:02:18,859 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:02:18,860 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:02:18,860 INFO  L85        PathProgramCache]: Analyzing trace with hash 1706261968, now seen corresponding path program 1 times
[2024-12-02 09:02:18,860 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:02:18,860 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736339614]
[2024-12-02 09:02:18,860 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:02:18,860 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:02:18,886 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:02:19,423 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:02:19,423 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:02:19,424 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736339614]
[2024-12-02 09:02:19,424 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736339614] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 09:02:19,424 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747182271]
[2024-12-02 09:02:19,424 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:02:19,424 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:02:19,424 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:02:19,426 INFO  L229       MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:02:19,427 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-12-02 09:02:19,624 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:02:19,627 INFO  L256         TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 41 conjuncts are in the unsatisfiable core
[2024-12-02 09:02:19,629 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:02:19,662 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7
[2024-12-02 09:02:19,666 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7
[2024-12-02 09:02:19,692 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11
[2024-12-02 09:02:19,698 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11
[2024-12-02 09:02:19,859 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15
[2024-12-02 09:02:19,866 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22
[2024-12-02 09:02:19,951 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-02 09:02:19,951 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 25
[2024-12-02 09:02:19,957 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-02 09:02:19,957 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 31
[2024-12-02 09:02:20,028 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:02:20,028 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 09:02:20,400 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:02:20,400 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747182271] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 09:02:20,401 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 09:02:20,401 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 7] total 21
[2024-12-02 09:02:20,401 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289088176]
[2024-12-02 09:02:20,401 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 09:02:20,401 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 21 states
[2024-12-02 09:02:20,401 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:02:20,402 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants.
[2024-12-02 09:02:20,402 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420
[2024-12-02 09:02:20,402 INFO  L87              Difference]: Start difference. First operand 318 states and 393 transitions. Second operand  has 21 states, 21 states have (on average 4.0) internal successors, (84), 21 states have internal predecessors, (84), 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 09:02:21,917 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:02:21,917 INFO  L93              Difference]: Finished difference Result 405 states and 494 transitions.
[2024-12-02 09:02:21,917 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2024-12-02 09:02:21,917 INFO  L78                 Accepts]: Start accepts. Automaton has  has 21 states, 21 states have (on average 4.0) internal successors, (84), 21 states have internal predecessors, (84), 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 33
[2024-12-02 09:02:21,918 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:02:21,919 INFO  L225             Difference]: With dead ends: 405
[2024-12-02 09:02:21,919 INFO  L226             Difference]: Without dead ends: 392
[2024-12-02 09:02:21,919 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=195, Invalid=927, Unknown=0, NotChecked=0, Total=1122
[2024-12-02 09:02:21,920 INFO  L435           NwaCegarLoop]: 40 mSDtfsCounter, 236 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-12-02 09:02:21,920 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 398 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-12-02 09:02:21,921 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 392 states.
[2024-12-02 09:02:22,016 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 320.
[2024-12-02 09:02:22,017 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 320 states, 318 states have (on average 1.2421383647798743) internal successors, (395), 319 states have internal predecessors, (395), 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 09:02:22,017 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 395 transitions.
[2024-12-02 09:02:22,018 INFO  L78                 Accepts]: Start accepts. Automaton has 320 states and 395 transitions. Word has length 33
[2024-12-02 09:02:22,018 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:02:22,018 INFO  L471      AbstractCegarLoop]: Abstraction has 320 states and 395 transitions.
[2024-12-02 09:02:22,018 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 21 states, 21 states have (on average 4.0) internal successors, (84), 21 states have internal predecessors, (84), 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 09:02:22,018 INFO  L276                IsEmpty]: Start isEmpty. Operand 320 states and 395 transitions.
[2024-12-02 09:02:22,019 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2024-12-02 09:02:22,019 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:02:22,019 INFO  L218           NwaCegarLoop]: trace histogram [2, 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 09:02:22,027 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0
[2024-12-02 09:02:22,219 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:02:22,219 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:02:22,220 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:02:22,220 INFO  L85        PathProgramCache]: Analyzing trace with hash 139016819, now seen corresponding path program 1 times
[2024-12-02 09:02:22,220 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:02:22,220 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676299257]
[2024-12-02 09:02:22,220 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:02:22,220 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:02:22,256 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:02:23,181 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:02:23,181 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:02:23,182 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676299257]
[2024-12-02 09:02:23,182 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676299257] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 09:02:23,182 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380477240]
[2024-12-02 09:02:23,182 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:02:23,182 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:02:23,182 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:02:23,183 INFO  L229       MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:02:23,184 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-12-02 09:02:23,363 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:02:23,365 INFO  L256         TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 17 conjuncts are in the unsatisfiable core
[2024-12-02 09:02:23,366 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:02:23,471 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1
[2024-12-02 09:02:23,509 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 8
[2024-12-02 09:02:23,520 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:02:23,520 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 09:02:23,520 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [380477240] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 09:02:23,520 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 09:02:23,520 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19
[2024-12-02 09:02:23,520 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520329203]
[2024-12-02 09:02:23,520 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 09:02:23,521 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-12-02 09:02:23,521 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:02:23,521 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-12-02 09:02:23,521 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342
[2024-12-02 09:02:23,521 INFO  L87              Difference]: Start difference. First operand 320 states and 395 transitions. Second operand  has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:02:23,762 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:02:23,762 INFO  L93              Difference]: Finished difference Result 337 states and 415 transitions.
[2024-12-02 09:02:23,762 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-12-02 09:02:23,763 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33
[2024-12-02 09:02:23,763 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:02:23,764 INFO  L225             Difference]: With dead ends: 337
[2024-12-02 09:02:23,764 INFO  L226             Difference]: Without dead ends: 324
[2024-12-02 09:02:23,764 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380
[2024-12-02 09:02:23,764 INFO  L435           NwaCegarLoop]: 32 mSDtfsCounter, 26 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 09:02:23,764 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 129 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 09:02:23,765 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 324 states.
[2024-12-02 09:02:23,815 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 320.
[2024-12-02 09:02:23,816 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 320 states, 318 states have (on average 1.2389937106918238) internal successors, (394), 319 states have internal predecessors, (394), 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 09:02:23,816 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 394 transitions.
[2024-12-02 09:02:23,816 INFO  L78                 Accepts]: Start accepts. Automaton has 320 states and 394 transitions. Word has length 33
[2024-12-02 09:02:23,816 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:02:23,817 INFO  L471      AbstractCegarLoop]: Abstraction has 320 states and 394 transitions.
[2024-12-02 09:02:23,817 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:02:23,817 INFO  L276                IsEmpty]: Start isEmpty. Operand 320 states and 394 transitions.
[2024-12-02 09:02:23,817 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2024-12-02 09:02:23,817 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:02:23,817 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, 1, 1, 1]
[2024-12-02 09:02:23,826 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0
[2024-12-02 09:02:24,018 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:02:24,018 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:02:24,018 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:02:24,018 INFO  L85        PathProgramCache]: Analyzing trace with hash -1712769526, now seen corresponding path program 1 times
[2024-12-02 09:02:24,018 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:02:24,018 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672290359]
[2024-12-02 09:02:24,018 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:02:24,019 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:02:24,056 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:02:24,454 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:02:24,454 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:02:24,454 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672290359]
[2024-12-02 09:02:24,455 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672290359] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 09:02:24,455 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26431389]
[2024-12-02 09:02:24,455 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:02:24,455 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:02:24,455 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:02:24,456 INFO  L229       MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:02:24,457 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2024-12-02 09:02:24,643 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:02:24,645 INFO  L256         TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 51 conjuncts are in the unsatisfiable core
[2024-12-02 09:02:24,648 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:02:24,658 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 32
[2024-12-02 09:02:24,662 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22
[2024-12-02 09:02:24,670 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 32
[2024-12-02 09:02:24,688 INFO  L349             Elim1Store]: treesize reduction 54, result has 23.9 percent of original size
[2024-12-02 09:02:24,688 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 112 treesize of output 96
[2024-12-02 09:02:24,694 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:02:24,695 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:02:24,697 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:02:24,706 INFO  L349             Elim1Store]: treesize reduction 31, result has 13.9 percent of original size
[2024-12-02 09:02:24,706 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 46
[2024-12-02 09:02:24,720 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:02:24,723 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 11
[2024-12-02 09:02:24,730 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11
[2024-12-02 09:02:24,829 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:02:24,838 INFO  L349             Elim1Store]: treesize reduction 25, result has 16.7 percent of original size
[2024-12-02 09:02:24,838 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 88 treesize of output 63
[2024-12-02 09:02:24,847 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:02:24,868 INFO  L349             Elim1Store]: treesize reduction 32, result has 45.8 percent of original size
[2024-12-02 09:02:24,868 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37
[2024-12-02 09:02:24,885 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:02:24,901 INFO  L349             Elim1Store]: treesize reduction 12, result has 67.6 percent of original size
[2024-12-02 09:02:24,901 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 37
[2024-12-02 09:02:24,988 INFO  L349             Elim1Store]: treesize reduction 25, result has 16.7 percent of original size
[2024-12-02 09:02:24,988 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 86 treesize of output 61
[2024-12-02 09:02:24,999 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:02:25,000 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25
[2024-12-02 09:02:25,345 INFO  L349             Elim1Store]: treesize reduction 13, result has 23.5 percent of original size
[2024-12-02 09:02:25,346 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 58 treesize of output 29
[2024-12-02 09:02:25,350 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7
[2024-12-02 09:02:25,371 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:02:25,371 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 09:02:25,510 WARN  L851   $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_2322 (Array Int Int)) (v_ArrVal_2321 (Array Int Int))) (= (select (let ((.cse0 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_2321))) (select .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|))) (+ (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_2322) |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|) 4)) 0)) (forall ((v_ArrVal_2322 (Array Int Int)) (v_ArrVal_2321 (Array Int Int))) (= (let ((.cse1 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_2322))) (select (select .cse1 (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_2321) |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (+ (select (select .cse1 |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|) 4))) 0))) is different from false
[2024-12-02 09:02:25,625 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:02:25,625 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [26431389] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 09:02:25,625 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 09:02:25,625 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19
[2024-12-02 09:02:25,625 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021747417]
[2024-12-02 09:02:25,625 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 09:02:25,625 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2024-12-02 09:02:25,625 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:02:25,626 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2024-12-02 09:02:25,626 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=255, Unknown=1, NotChecked=32, Total=342
[2024-12-02 09:02:25,626 INFO  L87              Difference]: Start difference. First operand 320 states and 394 transitions. Second operand  has 19 states, 19 states have (on average 3.8421052631578947) internal successors, (73), 19 states have internal predecessors, (73), 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 09:02:26,968 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:02:26,968 INFO  L93              Difference]: Finished difference Result 458 states and 555 transitions.
[2024-12-02 09:02:26,968 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-12-02 09:02:26,969 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 3.8421052631578947) internal successors, (73), 19 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34
[2024-12-02 09:02:26,969 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:02:26,970 INFO  L225             Difference]: With dead ends: 458
[2024-12-02 09:02:26,970 INFO  L226             Difference]: Without dead ends: 381
[2024-12-02 09:02:26,970 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=161, Invalid=544, Unknown=1, NotChecked=50, Total=756
[2024-12-02 09:02:26,971 INFO  L435           NwaCegarLoop]: 32 mSDtfsCounter, 205 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 126 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 09:02:26,971 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 378 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 417 Invalid, 0 Unknown, 126 Unchecked, 0.8s Time]
[2024-12-02 09:02:26,971 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 381 states.
[2024-12-02 09:02:27,028 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 327.
[2024-12-02 09:02:27,029 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 327 states, 325 states have (on average 1.2276923076923076) internal successors, (399), 326 states have internal predecessors, (399), 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 09:02:27,029 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 399 transitions.
[2024-12-02 09:02:27,030 INFO  L78                 Accepts]: Start accepts. Automaton has 327 states and 399 transitions. Word has length 34
[2024-12-02 09:02:27,030 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:02:27,030 INFO  L471      AbstractCegarLoop]: Abstraction has 327 states and 399 transitions.
[2024-12-02 09:02:27,030 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 3.8421052631578947) internal successors, (73), 19 states have internal predecessors, (73), 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 09:02:27,030 INFO  L276                IsEmpty]: Start isEmpty. Operand 327 states and 399 transitions.
[2024-12-02 09:02:27,030 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2024-12-02 09:02:27,030 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:02:27,030 INFO  L218           NwaCegarLoop]: trace histogram [3, 2, 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]
[2024-12-02 09:02:27,036 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0
[2024-12-02 09:02:27,231 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:02:27,231 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:02:27,231 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:02:27,231 INFO  L85        PathProgramCache]: Analyzing trace with hash -455659939, now seen corresponding path program 1 times
[2024-12-02 09:02:27,231 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:02:27,231 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927071085]
[2024-12-02 09:02:27,231 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:02:27,231 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:02:27,262 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:02:27,856 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:02:27,857 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:02:27,857 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927071085]
[2024-12-02 09:02:27,857 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927071085] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 09:02:27,857 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22256826]
[2024-12-02 09:02:27,857 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:02:27,857 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:02:27,857 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:02:27,858 INFO  L229       MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:02:27,859 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process
[2024-12-02 09:02:28,088 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:02:28,091 INFO  L256         TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 86 conjuncts are in the unsatisfiable core
[2024-12-02 09:02:28,096 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:02:28,126 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 36
[2024-12-02 09:02:28,135 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38
[2024-12-02 09:02:28,151 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 28
[2024-12-02 09:02:28,158 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:02:28,159 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:02:28,160 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:02:28,164 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26
[2024-12-02 09:02:28,179 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 11
[2024-12-02 09:02:28,186 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7
[2024-12-02 09:02:28,205 INFO  L349             Elim1Store]: treesize reduction 44, result has 10.2 percent of original size
[2024-12-02 09:02:28,206 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 69 treesize of output 48
[2024-12-02 09:02:28,216 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7
[2024-12-02 09:02:28,232 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 23
[2024-12-02 09:02:28,248 WARN  L214             Elim1Store]: Array PQE input equivalent to false
[2024-12-02 09:02:28,407 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:02:28,407 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 48
[2024-12-02 09:02:28,423 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:02:28,424 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:02:28,425 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:02:28,426 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66
[2024-12-02 09:02:28,459 INFO  L349             Elim1Store]: treesize reduction 12, result has 58.6 percent of original size
[2024-12-02 09:02:28,459 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 29
[2024-12-02 09:02:28,486 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11
[2024-12-02 09:02:28,611 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18
[2024-12-02 09:02:28,621 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 47
[2024-12-02 09:02:28,635 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 69
[2024-12-02 09:02:29,716 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-02 09:02:29,716 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 18
[2024-12-02 09:02:30,062 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 47
[2024-12-02 09:02:30,100 INFO  L349             Elim1Store]: treesize reduction 44, result has 45.0 percent of original size
[2024-12-02 09:02:30,100 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 71
[2024-12-02 09:02:30,819 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:02:30,819 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 09:02:30,867 WARN  L851   $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main_~bucket~0#1.offset| 4))) (and (forall ((v_ArrVal_2507 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bcki~0#1.base| v_ArrVal_2507) |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse0) 0)) (forall ((v_ArrVal_2508 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bcki~0#1.base| v_ArrVal_2508) |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse0) 0)))) is different from false
[2024-12-02 09:02:31,392 WARN  L851   $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_ULTIMATE.start_main_~item~0#1.offset| 4))) (let ((.cse0 (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~item~0#1.base|)) (.cse2 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~item~0#1.base| (store (select |c_#memory_int#1| |c_ULTIMATE.start_main_~item~0#1.base|) .cse1 2))) (.cse4 (+ |c_ULTIMATE.start_main_~bucket~0#1.offset| 4))) (and (forall ((v_ArrVal_2503 (Array Int Int))) (or (not (= (store .cse0 .cse1 (select v_ArrVal_2503 .cse1)) v_ArrVal_2503)) (forall ((v_ArrVal_2506 (Array Int Int)) (v_subst_4 Int)) (let ((.cse3 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_2503))) (or (not (= (select (select .cse2 v_subst_4) (+ 8 (select (select .cse3 (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_2506) |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (select (select .cse3 |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|)))) 2)) (forall ((v_ArrVal_2508 (Array Int Int))) (= (select (select (store .cse3 v_subst_4 v_ArrVal_2508) |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse4) 0))))))) (forall ((v_ArrVal_2503 (Array Int Int))) (or (not (= (store .cse0 .cse1 (select v_ArrVal_2503 .cse1)) v_ArrVal_2503)) (forall ((v_ArrVal_2506 (Array Int Int)) (v_subst_3 Int)) (let ((.cse6 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_2506))) (or (not (= (select (select .cse2 v_subst_3) (+ 8 (let ((.cse5 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_2503))) (select (select .cse5 (select (select .cse6 |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (select (select .cse5 |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|))))) 2)) (forall ((v_ArrVal_2507 (Array Int Int))) (= (select (select (store .cse6 v_subst_3 v_ArrVal_2507) |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse4) 0)))))))))) is different from false
[2024-12-02 09:02:31,438 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-02 09:02:31,439 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 135 treesize of output 136
[2024-12-02 09:02:31,762 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:02:31,762 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [22256826] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 09:02:31,762 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 09:02:31,762 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 13] total 30
[2024-12-02 09:02:31,762 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327833397]
[2024-12-02 09:02:31,762 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 09:02:31,762 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 30 states
[2024-12-02 09:02:31,762 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:02:31,763 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants.
[2024-12-02 09:02:31,763 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=635, Unknown=2, NotChecked=106, Total=870
[2024-12-02 09:02:31,763 INFO  L87              Difference]: Start difference. First operand 327 states and 399 transitions. Second operand  has 30 states, 30 states have (on average 2.933333333333333) internal successors, (88), 30 states have internal predecessors, (88), 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 09:02:37,740 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:02:37,740 INFO  L93              Difference]: Finished difference Result 607 states and 738 transitions.
[2024-12-02 09:02:37,741 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2024-12-02 09:02:37,741 INFO  L78                 Accepts]: Start accepts. Automaton has  has 30 states, 30 states have (on average 2.933333333333333) internal successors, (88), 30 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34
[2024-12-02 09:02:37,741 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:02:37,742 INFO  L225             Difference]: With dead ends: 607
[2024-12-02 09:02:37,742 INFO  L226             Difference]: Without dead ends: 441
[2024-12-02 09:02:37,743 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 50 SyntacticMatches, 6 SemanticMatches, 50 ConstructedPredicates, 2 IntricatePredicates, 1 DeprecatedPredicates, 551 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=590, Invalid=1866, Unknown=2, NotChecked=194, Total=2652
[2024-12-02 09:02:37,743 INFO  L435           NwaCegarLoop]: 35 mSDtfsCounter, 562 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 357 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-12-02 09:02:37,744 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [562 Valid, 413 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 649 Invalid, 0 Unknown, 357 Unchecked, 2.1s Time]
[2024-12-02 09:02:37,744 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 441 states.
[2024-12-02 09:02:37,816 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 266.
[2024-12-02 09:02:37,816 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 266 states, 264 states have (on average 1.2007575757575757) internal successors, (317), 265 states have internal predecessors, (317), 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 09:02:37,817 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 317 transitions.
[2024-12-02 09:02:37,817 INFO  L78                 Accepts]: Start accepts. Automaton has 266 states and 317 transitions. Word has length 34
[2024-12-02 09:02:37,817 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:02:37,817 INFO  L471      AbstractCegarLoop]: Abstraction has 266 states and 317 transitions.
[2024-12-02 09:02:37,817 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 30 states, 30 states have (on average 2.933333333333333) internal successors, (88), 30 states have internal predecessors, (88), 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 09:02:37,817 INFO  L276                IsEmpty]: Start isEmpty. Operand 266 states and 317 transitions.
[2024-12-02 09:02:37,818 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2024-12-02 09:02:37,818 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:02:37,818 INFO  L218           NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:02:37,828 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0
[2024-12-02 09:02:38,018 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:02:38,018 INFO  L396      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:02:38,019 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:02:38,019 INFO  L85        PathProgramCache]: Analyzing trace with hash -1048879960, now seen corresponding path program 1 times
[2024-12-02 09:02:38,019 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:02:38,019 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773268635]
[2024-12-02 09:02:38,019 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:02:38,019 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:02:38,047 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:02:38,588 INFO  L134       CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:02:38,588 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:02:38,588 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773268635]
[2024-12-02 09:02:38,588 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773268635] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 09:02:38,588 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688431369]
[2024-12-02 09:02:38,588 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:02:38,588 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:02:38,588 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:02:38,590 INFO  L229       MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:02:38,591 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process
[2024-12-02 09:02:38,807 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:02:38,809 INFO  L256         TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 62 conjuncts are in the unsatisfiable core
[2024-12-02 09:02:38,813 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:02:38,829 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:02:38,830 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:02:38,831 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:02:38,834 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22
[2024-12-02 09:02:38,841 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 28
[2024-12-02 09:02:38,846 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 22
[2024-12-02 09:02:38,849 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7
[2024-12-02 09:02:38,862 INFO  L349             Elim1Store]: treesize reduction 44, result has 10.2 percent of original size
[2024-12-02 09:02:38,862 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 35
[2024-12-02 09:02:38,878 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 27 treesize of output 16
[2024-12-02 09:02:38,883 WARN  L214             Elim1Store]: Array PQE input equivalent to false
[2024-12-02 09:02:38,992 INFO  L349             Elim1Store]: treesize reduction 13, result has 40.9 percent of original size
[2024-12-02 09:02:38,992 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 15
[2024-12-02 09:02:39,040 INFO  L349             Elim1Store]: treesize reduction 72, result has 33.3 percent of original size
[2024-12-02 09:02:39,040 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 48
[2024-12-02 09:02:39,049 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 36
[2024-12-02 09:02:39,167 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 36
[2024-12-02 09:02:39,174 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11
[2024-12-02 09:02:39,454 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 20
[2024-12-02 09:02:39,600 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11
[2024-12-02 09:02:39,700 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11
[2024-12-02 09:02:39,721 INFO  L349             Elim1Store]: treesize reduction 12, result has 52.0 percent of original size
[2024-12-02 09:02:39,722 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25
[2024-12-02 09:02:39,754 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18
[2024-12-02 09:02:39,894 INFO  L134       CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:02:39,894 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 09:02:40,185 WARN  L851   $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2700 (Array Int Int)) (|v_ULTIMATE.start_main_~item~0#1.base_91| Int) (v_ArrVal_2701 Int)) (or (= (select (select (let ((.cse0 (store |c_#memory_int#1| (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bcki~0#1.base|) |c_ULTIMATE.start_main_~bcki~0#1.offset|) v_ArrVal_2700))) (store .cse0 |v_ULTIMATE.start_main_~item~0#1.base_91| (store (store (select .cse0 |v_ULTIMATE.start_main_~item~0#1.base_91|) 0 v_ArrVal_2701) 4 0))) |c_ULTIMATE.start_main_~bucket~0#1.base|) (+ |c_ULTIMATE.start_main_~bucket~0#1.offset| 8)) 0) (not (= (select |c_#valid| |v_ULTIMATE.start_main_~item~0#1.base_91|) 0)))) is different from false
[2024-12-02 09:02:44,308 WARN  L851   $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2700 (Array Int Int)) (v_ArrVal_2699 (Array Int Int)) (v_ArrVal_2698 (Array Int Int)) (|v_ULTIMATE.start_main_~item~0#1.base_91| Int) (v_ArrVal_2701 Int)) (or (= (select (select (let ((.cse0 (store (store |c_#memory_int#1| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_2699) (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_2698) |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|) v_ArrVal_2700))) (store .cse0 |v_ULTIMATE.start_main_~item~0#1.base_91| (store (store (select .cse0 |v_ULTIMATE.start_main_~item~0#1.base_91|) 0 v_ArrVal_2701) 4 0))) |c_ULTIMATE.start_main_~bucket~0#1.base|) (+ |c_ULTIMATE.start_main_~bucket~0#1.offset| 8)) 0) (not (= (select |c_#valid| |v_ULTIMATE.start_main_~item~0#1.base_91|) 0)))) is different from false
[2024-12-02 09:02:44,330 WARN  L851   $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2700 (Array Int Int)) (v_ArrVal_2699 (Array Int Int)) (v_ArrVal_2698 (Array Int Int)) (v_ArrVal_2695 Int) (|v_ULTIMATE.start_main_~item~0#1.base_91| Int) (|v_ULTIMATE.start_main_~item~0#1.base_92| Int) (v_ArrVal_2701 Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_main_~item~0#1.base_92|) 0)) (not (= (select (store |c_#valid| |v_ULTIMATE.start_main_~item~0#1.base_92| v_ArrVal_2695) |v_ULTIMATE.start_main_~item~0#1.base_91|) 0)) (= (select (select (let ((.cse0 (store (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_92| v_ArrVal_2699) (select (select (store |c_#memory_$Pointer$#1.base| |v_ULTIMATE.start_main_~item~0#1.base_92| v_ArrVal_2698) |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|) v_ArrVal_2700))) (store .cse0 |v_ULTIMATE.start_main_~item~0#1.base_91| (store (store (select .cse0 |v_ULTIMATE.start_main_~item~0#1.base_91|) 0 v_ArrVal_2701) 4 0))) |c_ULTIMATE.start_main_~bucket~0#1.base|) (+ |c_ULTIMATE.start_main_~bucket~0#1.offset| 8)) 0))) is different from false
[2024-12-02 09:02:44,365 INFO  L134       CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 12 not checked.
[2024-12-02 09:02:44,365 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688431369] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 09:02:44,365 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 09:02:44,366 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 31
[2024-12-02 09:02:44,366 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755536001]
[2024-12-02 09:02:44,366 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 09:02:44,366 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 31 states
[2024-12-02 09:02:44,366 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:02:44,366 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants.
[2024-12-02 09:02:44,367 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=665, Unknown=11, NotChecked=162, Total=930
[2024-12-02 09:02:44,367 INFO  L87              Difference]: Start difference. First operand 266 states and 317 transitions. Second operand  has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 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 09:02:51,131 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:02:51,131 INFO  L93              Difference]: Finished difference Result 663 states and 809 transitions.
[2024-12-02 09:02:51,132 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. 
[2024-12-02 09:02:51,132 INFO  L78                 Accepts]: Start accepts. Automaton has  has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 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 37
[2024-12-02 09:02:51,132 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:02:51,133 INFO  L225             Difference]: With dead ends: 663
[2024-12-02 09:02:51,133 INFO  L226             Difference]: Without dead ends: 547
[2024-12-02 09:02:51,135 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 55 SyntacticMatches, 5 SemanticMatches, 75 ConstructedPredicates, 3 IntricatePredicates, 2 DeprecatedPredicates, 1453 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=1228, Invalid=4175, Unknown=11, NotChecked=438, Total=5852
[2024-12-02 09:02:51,135 INFO  L435           NwaCegarLoop]: 35 mSDtfsCounter, 1363 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 135 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1363 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 1846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 983 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time
[2024-12-02 09:02:51,135 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1363 Valid, 526 Invalid, 1846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 727 Invalid, 1 Unknown, 983 Unchecked, 2.3s Time]
[2024-12-02 09:02:51,136 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 547 states.
[2024-12-02 09:02:51,261 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 365.
[2024-12-02 09:02:51,262 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 365 states, 363 states have (on average 1.2121212121212122) internal successors, (440), 364 states have internal predecessors, (440), 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 09:02:51,263 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 440 transitions.
[2024-12-02 09:02:51,263 INFO  L78                 Accepts]: Start accepts. Automaton has 365 states and 440 transitions. Word has length 37
[2024-12-02 09:02:51,263 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:02:51,263 INFO  L471      AbstractCegarLoop]: Abstraction has 365 states and 440 transitions.
[2024-12-02 09:02:51,263 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 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 09:02:51,263 INFO  L276                IsEmpty]: Start isEmpty. Operand 365 states and 440 transitions.
[2024-12-02 09:02:51,264 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2024-12-02 09:02:51,264 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:02:51,264 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 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, 1, 1]
[2024-12-02 09:02:51,275 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0
[2024-12-02 09:02:51,464 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:02:51,464 INFO  L396      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:02:51,465 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:02:51,465 INFO  L85        PathProgramCache]: Analyzing trace with hash -923113501, now seen corresponding path program 1 times
[2024-12-02 09:02:51,465 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:02:51,465 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857393512]
[2024-12-02 09:02:51,465 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:02:51,465 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:02:51,510 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:02:52,836 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:02:52,836 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:02:52,836 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857393512]
[2024-12-02 09:02:52,836 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857393512] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 09:02:52,836 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455101074]
[2024-12-02 09:02:52,836 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:02:52,836 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:02:52,836 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:02:52,838 INFO  L229       MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:02:52,839 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process
[2024-12-02 09:02:53,076 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:02:53,078 INFO  L256         TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 96 conjuncts are in the unsatisfiable core
[2024-12-02 09:02:53,084 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:02:53,104 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 28
[2024-12-02 09:02:53,128 INFO  L349             Elim1Store]: treesize reduction 62, result has 7.5 percent of original size
[2024-12-02 09:02:53,128 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 126 treesize of output 99
[2024-12-02 09:02:53,135 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:02:53,154 INFO  L349             Elim1Store]: treesize reduction 39, result has 11.4 percent of original size
[2024-12-02 09:02:53,154 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 38
[2024-12-02 09:02:53,161 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 36
[2024-12-02 09:02:53,167 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 16
[2024-12-02 09:02:53,180 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 43
[2024-12-02 09:02:53,184 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 11
[2024-12-02 09:02:53,308 INFO  L349             Elim1Store]: treesize reduction 13, result has 40.9 percent of original size
[2024-12-02 09:02:53,308 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 15
[2024-12-02 09:02:53,321 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:02:53,322 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25
[2024-12-02 09:02:53,344 INFO  L349             Elim1Store]: treesize reduction 12, result has 58.6 percent of original size
[2024-12-02 09:02:53,344 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 29
[2024-12-02 09:02:53,354 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16
[2024-12-02 09:02:53,442 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18
[2024-12-02 09:02:53,450 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18
[2024-12-02 09:02:53,458 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16
[2024-12-02 09:02:54,200 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 82
[2024-12-02 09:02:54,214 INFO  L349             Elim1Store]: treesize reduction 25, result has 21.9 percent of original size
[2024-12-02 09:02:54,215 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32
[2024-12-02 09:02:54,229 INFO  L349             Elim1Store]: treesize reduction 11, result has 8.3 percent of original size
[2024-12-02 09:02:54,230 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 43
[2024-12-02 09:02:54,442 INFO  L349             Elim1Store]: treesize reduction 17, result has 29.2 percent of original size
[2024-12-02 09:02:54,442 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 77 treesize of output 54
[2024-12-02 09:02:54,459 INFO  L349             Elim1Store]: treesize reduction 41, result has 21.2 percent of original size
[2024-12-02 09:02:54,460 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 35
[2024-12-02 09:02:54,483 INFO  L349             Elim1Store]: treesize reduction 32, result has 36.0 percent of original size
[2024-12-02 09:02:54,483 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 46
[2024-12-02 09:02:54,839 INFO  L349             Elim1Store]: treesize reduction 22, result has 12.0 percent of original size
[2024-12-02 09:02:54,840 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 95 treesize of output 49
[2024-12-02 09:02:54,847 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21
[2024-12-02 09:02:54,855 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10
[2024-12-02 09:02:55,000 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:02:55,001 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 09:02:55,085 WARN  L851   $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2909 (Array Int Int))) (let ((.cse0 (+ |c_ULTIMATE.start_main_~bcki~0#1.offset| 4))) (or (= (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base| v_ArrVal_2909) (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bcki~0#1.base|) .cse0)) (+ (select (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bcki~0#1.base|) .cse0) 4)) (select v_ArrVal_2909 (+ |c_ULTIMATE.start_main_~bcki~0#1.offset| 8))) (not (= (store (select |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base|) .cse0 (select v_ArrVal_2909 .cse0)) v_ArrVal_2909))))) is different from false
[2024-12-02 09:02:55,102 WARN  L851   $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2909 (Array Int Int))) (let ((.cse2 (select (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bcki~0#1.base|) |c_ULTIMATE.start_main_~bcki~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bcki~0#1.base|) |c_ULTIMATE.start_main_~bcki~0#1.offset|)) (.cse1 (+ .cse2 4))) (or (not (= v_ArrVal_2909 (store (select |c_#memory_int#1| .cse0) .cse1 (select v_ArrVal_2909 .cse1)))) (= (select (select (store |c_#memory_int#1| .cse0 v_ArrVal_2909) (select (select |c_#memory_$Pointer$#1.base| .cse0) .cse1)) (+ (select (select |c_#memory_$Pointer$#1.offset| .cse0) .cse1) 4)) (select v_ArrVal_2909 (+ 8 .cse2))))))) is different from false
[2024-12-02 09:02:55,142 WARN  L851   $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2909 (Array Int Int)) (v_ArrVal_2907 (Array Int Int))) (let ((.cse5 (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bcki~0#1.base|))) (let ((.cse6 (select .cse5 |c_ULTIMATE.start_main_~bcki~0#1.offset|)) (.cse2 (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bcki~0#1.base|))) (let ((.cse0 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base| v_ArrVal_2907)) (.cse1 (select .cse2 |c_ULTIMATE.start_main_~bcki~0#1.offset|)) (.cse4 (+ .cse6 4))) (or (= (let ((.cse3 (+ |c_ULTIMATE.start_main_~bcki~0#1.offset| 4))) (select (select (store .cse0 .cse1 v_ArrVal_2909) (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bcki~0#1.base| (store .cse2 .cse3 0)) .cse1) .cse4)) (+ (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bcki~0#1.base| (store .cse5 .cse3 0)) .cse1) .cse4) 4))) (select v_ArrVal_2909 (+ 8 .cse6))) (not (= (store (select .cse0 .cse1) .cse4 (select v_ArrVal_2909 .cse4)) v_ArrVal_2909))))))) is different from false
[2024-12-02 09:02:55,176 WARN  L851   $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2909 (Array Int Int)) (v_ArrVal_2907 (Array Int Int))) (let ((.cse6 (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bucket~0#1.base|))) (let ((.cse3 (select .cse6 |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (.cse4 (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bucket~0#1.base|))) (let ((.cse0 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_2907)) (.cse1 (select .cse4 |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (.cse2 (+ .cse3 4))) (or (not (= (store (select .cse0 .cse1) .cse2 (select v_ArrVal_2909 .cse2)) v_ArrVal_2909)) (= (select v_ArrVal_2909 (+ .cse3 8)) (let ((.cse5 (+ |c_ULTIMATE.start_main_~bucket~0#1.offset| 4))) (select (select (store .cse0 .cse1 v_ArrVal_2909) (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bucket~0#1.base| (store .cse4 .cse5 0)) .cse1) .cse2)) (+ (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bucket~0#1.base| (store .cse6 .cse5 0)) .cse1) .cse2) 4))))))))) is different from false
[2024-12-02 09:02:55,243 WARN  L851   $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2905 Int) (v_ArrVal_2909 (Array Int Int)) (v_ArrVal_2907 (Array Int Int))) (let ((.cse9 (+ |c_ULTIMATE.start_main_~bcki~0#1.offset| 4))) (let ((.cse6 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bcki~0#1.base| (store (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bcki~0#1.base|) .cse9 |c_ULTIMATE.start_main_~item~0#1.offset|)))) (let ((.cse3 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bcki~0#1.base| (store (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bcki~0#1.base|) .cse9 |c_ULTIMATE.start_main_~item~0#1.base|))) (.cse7 (select .cse6 |c_ULTIMATE.start_main_~bucket~0#1.base|))) (let ((.cse8 (select .cse7 |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (.cse4 (select .cse3 |c_ULTIMATE.start_main_~bucket~0#1.base|))) (let ((.cse0 (store (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base| (store (select |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base|) .cse9 v_ArrVal_2905)) |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_2907)) (.cse1 (select .cse4 |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (.cse2 (+ .cse8 4))) (or (not (= v_ArrVal_2909 (store (select .cse0 .cse1) .cse2 (select v_ArrVal_2909 .cse2)))) (= (let ((.cse5 (+ |c_ULTIMATE.start_main_~bucket~0#1.offset| 4))) (select (select (store .cse0 .cse1 v_ArrVal_2909) (select (select (store .cse3 |c_ULTIMATE.start_main_~bucket~0#1.base| (store .cse4 .cse5 0)) .cse1) .cse2)) (+ (select (select (store .cse6 |c_ULTIMATE.start_main_~bucket~0#1.base| (store .cse7 .cse5 0)) .cse1) .cse2) 4))) (select v_ArrVal_2909 (+ .cse8 8)))))))))) is different from false
[2024-12-02 09:02:56,929 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-02 09:02:56,930 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 703 treesize of output 694
[2024-12-02 09:02:57,635 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 5 not checked.
[2024-12-02 09:02:57,635 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [455101074] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 09:02:57,635 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 09:02:57,635 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 43
[2024-12-02 09:02:57,635 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029103999]
[2024-12-02 09:02:57,635 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 09:02:57,635 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 43 states
[2024-12-02 09:02:57,635 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:02:57,636 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants.
[2024-12-02 09:02:57,636 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=1250, Unknown=5, NotChecked=380, Total=1806
[2024-12-02 09:02:57,636 INFO  L87              Difference]: Start difference. First operand 365 states and 440 transitions. Second operand  has 43 states, 43 states have (on average 2.4651162790697674) internal successors, (106), 43 states have internal predecessors, (106), 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 09:03:05,854 WARN  L851   $PredicateComparison]: unable to prove that (let ((.cse6 (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bucket~0#1.base|))) (let ((.cse0 (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bucket~0#1.base|)) (.cse1 (select .cse6 0))) (and (= (select .cse0 4) 0) (= (select .cse0 0) 0) (exists ((|v_ULTIMATE.start_main_~bcki~0#1.base_135| Int)) (and (= (select |c_#valid| |v_ULTIMATE.start_main_~bcki~0#1.base_135|) 1) (not (= |v_ULTIMATE.start_main_~bcki~0#1.base_135| .cse1)) (not (= |v_ULTIMATE.start_main_~bcki~0#1.base_135| |c_ULTIMATE.start_main_~bucket~0#1.base|)))) (forall ((v_ArrVal_2909 (Array Int Int)) (v_ArrVal_2907 (Array Int Int))) (let ((.cse5 (select .cse0 |c_ULTIMATE.start_main_~bucket~0#1.offset|))) (let ((.cse2 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_2907)) (.cse3 (select .cse6 |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (.cse4 (+ .cse5 4))) (or (not (= (store (select .cse2 .cse3) .cse4 (select v_ArrVal_2909 .cse4)) v_ArrVal_2909)) (= (select v_ArrVal_2909 (+ .cse5 8)) (let ((.cse7 (+ |c_ULTIMATE.start_main_~bucket~0#1.offset| 4))) (select (select (store .cse2 .cse3 v_ArrVal_2909) (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bucket~0#1.base| (store .cse6 .cse7 0)) .cse3) .cse4)) (+ (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bucket~0#1.base| (store .cse0 .cse7 0)) .cse3) .cse4) 4)))))))) (= (select (select |c_#memory_int#1| |c_ULTIMATE.start_main_~bucket~0#1.base|) 8) 0) (= (select |c_#valid| |c_ULTIMATE.start_main_~bucket~0#1.base|) 1) (= |c_ULTIMATE.start_main_~bucket~0#1.offset| 0) (not (= .cse1 |c_ULTIMATE.start_main_~bucket~0#1.base|)) (= (select |c_#valid| .cse1) 1)))) is different from false
[2024-12-02 09:03:08,149 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:03:08,149 INFO  L93              Difference]: Finished difference Result 864 states and 1052 transitions.
[2024-12-02 09:03:08,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2024-12-02 09:03:08,150 INFO  L78                 Accepts]: Start accepts. Automaton has  has 43 states, 43 states have (on average 2.4651162790697674) internal successors, (106), 43 states have internal predecessors, (106), 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 37
[2024-12-02 09:03:08,150 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:03:08,151 INFO  L225             Difference]: With dead ends: 864
[2024-12-02 09:03:08,151 INFO  L226             Difference]: Without dead ends: 750
[2024-12-02 09:03:08,152 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 48 SyntacticMatches, 7 SemanticMatches, 73 ConstructedPredicates, 6 IntricatePredicates, 2 DeprecatedPredicates, 1415 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=697, Invalid=4007, Unknown=12, NotChecked=834, Total=5550
[2024-12-02 09:03:08,153 INFO  L435           NwaCegarLoop]: 53 mSDtfsCounter, 370 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 1496 mSolverCounterSat, 44 mSolverCounterUnsat, 41 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 2854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1496 IncrementalHoareTripleChecker+Invalid, 41 IncrementalHoareTripleChecker+Unknown, 1273 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time
[2024-12-02 09:03:08,153 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 944 Invalid, 2854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1496 Invalid, 41 Unknown, 1273 Unchecked, 4.9s Time]
[2024-12-02 09:03:08,154 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 750 states.
[2024-12-02 09:03:08,352 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 586.
[2024-12-02 09:03:08,353 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 586 states, 584 states have (on average 1.2123287671232876) internal successors, (708), 585 states have internal predecessors, (708), 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 09:03:08,354 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 708 transitions.
[2024-12-02 09:03:08,354 INFO  L78                 Accepts]: Start accepts. Automaton has 586 states and 708 transitions. Word has length 37
[2024-12-02 09:03:08,355 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:03:08,355 INFO  L471      AbstractCegarLoop]: Abstraction has 586 states and 708 transitions.
[2024-12-02 09:03:08,355 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 43 states, 43 states have (on average 2.4651162790697674) internal successors, (106), 43 states have internal predecessors, (106), 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 09:03:08,355 INFO  L276                IsEmpty]: Start isEmpty. Operand 586 states and 708 transitions.
[2024-12-02 09:03:08,355 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2024-12-02 09:03:08,355 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:03:08,355 INFO  L218           NwaCegarLoop]: trace histogram [3, 2, 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, 1]
[2024-12-02 09:03:08,366 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0
[2024-12-02 09:03:08,556 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:03:08,556 INFO  L396      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:03:08,556 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:03:08,556 INFO  L85        PathProgramCache]: Analyzing trace with hash 2050022973, now seen corresponding path program 1 times
[2024-12-02 09:03:08,556 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:03:08,556 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868478846]
[2024-12-02 09:03:08,556 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:03:08,556 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:03:08,593 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:03:09,100 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:03:09,101 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:03:09,101 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868478846]
[2024-12-02 09:03:09,101 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868478846] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 09:03:09,101 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279216463]
[2024-12-02 09:03:09,101 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:03:09,101 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:03:09,101 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:03:09,103 INFO  L229       MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:03:09,104 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process
[2024-12-02 09:03:09,379 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:03:09,381 INFO  L256         TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 66 conjuncts are in the unsatisfiable core
[2024-12-02 09:03:09,385 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:03:09,398 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 36
[2024-12-02 09:03:09,404 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 40
[2024-12-02 09:03:09,428 INFO  L349             Elim1Store]: treesize reduction 62, result has 21.5 percent of original size
[2024-12-02 09:03:09,429 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 94 treesize of output 93
[2024-12-02 09:03:09,432 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15
[2024-12-02 09:03:09,468 INFO  L349             Elim1Store]: treesize reduction 124, result has 10.8 percent of original size
[2024-12-02 09:03:09,468 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 83 treesize of output 70
[2024-12-02 09:03:09,486 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 1
[2024-12-02 09:03:09,490 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:03:09,490 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 45
[2024-12-02 09:03:09,499 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 23
[2024-12-02 09:03:09,511 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15
[2024-12-02 09:03:09,651 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:03:09,674 INFO  L349             Elim1Store]: treesize reduction 56, result has 16.4 percent of original size
[2024-12-02 09:03:09,674 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 111 treesize of output 86
[2024-12-02 09:03:09,683 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:03:09,717 INFO  L349             Elim1Store]: treesize reduction 60, result has 46.4 percent of original size
[2024-12-02 09:03:09,717 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 72
[2024-12-02 09:03:09,751 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:03:09,768 INFO  L349             Elim1Store]: treesize reduction 12, result has 67.6 percent of original size
[2024-12-02 09:03:09,769 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 37
[2024-12-02 09:03:09,896 INFO  L349             Elim1Store]: treesize reduction 56, result has 16.4 percent of original size
[2024-12-02 09:03:09,896 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 109 treesize of output 84
[2024-12-02 09:03:09,913 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:03:09,914 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 48
[2024-12-02 09:03:10,726 INFO  L349             Elim1Store]: treesize reduction 4, result has 50.0 percent of original size
[2024-12-02 09:03:10,727 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 51
[2024-12-02 09:03:10,734 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13
[2024-12-02 09:03:10,766 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:03:10,766 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 09:03:10,923 WARN  L851   $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_3086 (Array Int Int)) (v_ArrVal_3087 (Array Int Int))) (= (let ((.cse3 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_3086)) (.cse0 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_3087))) (let ((.cse1 (select (select .cse0 |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (.cse2 (select (select .cse3 |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|))) (select (select .cse0 (select (select .cse0 .cse1) .cse2)) (+ (select (select .cse3 .cse1) .cse2) 4)))) 0)) (forall ((v_ArrVal_3086 (Array Int Int)) (v_ArrVal_3087 (Array Int Int))) (= (let ((.cse4 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_3086)) (.cse5 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_3087))) (let ((.cse6 (select (select .cse5 |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (.cse7 (select (select .cse4 |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|))) (select (select .cse4 (select (select .cse5 .cse6) .cse7)) (+ (select (select .cse4 .cse6) .cse7) 4)))) 0))) is different from false
[2024-12-02 09:03:11,047 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:03:11,047 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279216463] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 09:03:11,048 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 09:03:11,048 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 9] total 20
[2024-12-02 09:03:11,048 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776564042]
[2024-12-02 09:03:11,048 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 09:03:11,048 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 20 states
[2024-12-02 09:03:11,048 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:03:11,048 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants.
[2024-12-02 09:03:11,048 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=289, Unknown=1, NotChecked=34, Total=380
[2024-12-02 09:03:11,049 INFO  L87              Difference]: Start difference. First operand 586 states and 708 transitions. Second operand  has 20 states, 20 states have (on average 3.85) internal successors, (77), 20 states have internal predecessors, (77), 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 09:03:12,739 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:03:12,739 INFO  L93              Difference]: Finished difference Result 866 states and 1043 transitions.
[2024-12-02 09:03:12,740 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2024-12-02 09:03:12,740 INFO  L78                 Accepts]: Start accepts. Automaton has  has 20 states, 20 states have (on average 3.85) internal successors, (77), 20 states have internal predecessors, (77), 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 37
[2024-12-02 09:03:12,740 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:03:12,742 INFO  L225             Difference]: With dead ends: 866
[2024-12-02 09:03:12,743 INFO  L226             Difference]: Without dead ends: 785
[2024-12-02 09:03:12,743 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=176, Invalid=639, Unknown=1, NotChecked=54, Total=870
[2024-12-02 09:03:12,745 INFO  L435           NwaCegarLoop]: 31 mSDtfsCounter, 392 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 143 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 09:03:12,745 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 303 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 347 Invalid, 0 Unknown, 143 Unchecked, 0.8s Time]
[2024-12-02 09:03:12,746 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 785 states.
[2024-12-02 09:03:12,991 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 675.
[2024-12-02 09:03:12,992 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 675 states, 673 states have (on average 1.2169390787518573) internal successors, (819), 674 states have internal predecessors, (819), 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 09:03:12,993 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 819 transitions.
[2024-12-02 09:03:12,994 INFO  L78                 Accepts]: Start accepts. Automaton has 675 states and 819 transitions. Word has length 37
[2024-12-02 09:03:12,994 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:03:12,994 INFO  L471      AbstractCegarLoop]: Abstraction has 675 states and 819 transitions.
[2024-12-02 09:03:12,994 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 20 states, 20 states have (on average 3.85) internal successors, (77), 20 states have internal predecessors, (77), 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 09:03:12,994 INFO  L276                IsEmpty]: Start isEmpty. Operand 675 states and 819 transitions.
[2024-12-02 09:03:12,994 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2024-12-02 09:03:12,994 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:03:12,994 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:03:13,004 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0
[2024-12-02 09:03:13,195 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21
[2024-12-02 09:03:13,195 INFO  L396      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:03:13,195 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:03:13,195 INFO  L85        PathProgramCache]: Analyzing trace with hash -1218798589, now seen corresponding path program 1 times
[2024-12-02 09:03:13,196 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:03:13,196 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189732447]
[2024-12-02 09:03:13,196 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:03:13,196 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:03:13,230 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:03:14,262 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:03:14,263 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:03:14,263 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189732447]
[2024-12-02 09:03:14,263 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189732447] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 09:03:14,263 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991493826]
[2024-12-02 09:03:14,263 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:03:14,263 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:03:14,263 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:03:14,265 INFO  L229       MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:03:14,265 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process
[2024-12-02 09:03:14,524 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:03:14,526 INFO  L256         TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 79 conjuncts are in the unsatisfiable core
[2024-12-02 09:03:14,531 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:03:14,546 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 36
[2024-12-02 09:03:14,553 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 40
[2024-12-02 09:03:14,586 INFO  L349             Elim1Store]: treesize reduction 62, result has 21.5 percent of original size
[2024-12-02 09:03:14,587 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 94 treesize of output 93
[2024-12-02 09:03:14,592 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11
[2024-12-02 09:03:14,600 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 31
[2024-12-02 09:03:14,633 INFO  L349             Elim1Store]: treesize reduction 124, result has 10.8 percent of original size
[2024-12-02 09:03:14,633 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 83 treesize of output 70
[2024-12-02 09:03:14,651 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:03:14,652 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 50
[2024-12-02 09:03:14,663 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 23
[2024-12-02 09:03:14,674 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 31
[2024-12-02 09:03:14,884 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:03:14,886 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:03:14,887 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:03:14,888 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:03:14,889 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 92
[2024-12-02 09:03:14,896 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:03:14,919 INFO  L349             Elim1Store]: treesize reduction 64, result has 19.0 percent of original size
[2024-12-02 09:03:14,919 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 155 treesize of output 104
[2024-12-02 09:03:14,942 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:03:14,957 INFO  L349             Elim1Store]: treesize reduction 12, result has 67.6 percent of original size
[2024-12-02 09:03:14,957 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 37
[2024-12-02 09:03:15,105 INFO  L349             Elim1Store]: treesize reduction 88, result has 14.6 percent of original size
[2024-12-02 09:03:15,105 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 16 case distinctions, treesize of input 164 treesize of output 105
[2024-12-02 09:03:15,116 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:03:15,117 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 95
[2024-12-02 09:03:16,095 INFO  L349             Elim1Store]: treesize reduction 96, result has 13.5 percent of original size
[2024-12-02 09:03:16,095 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 16 case distinctions, treesize of input 176 treesize of output 117
[2024-12-02 09:03:16,109 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:03:16,110 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 99
[2024-12-02 09:03:16,564 INFO  L349             Elim1Store]: treesize reduction 100, result has 16.0 percent of original size
[2024-12-02 09:03:16,564 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 22 case distinctions, treesize of input 186 treesize of output 129
[2024-12-02 09:03:16,592 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:03:16,593 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 95
[2024-12-02 09:03:17,855 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:03:17,855 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 09:03:25,556 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:03:25,556 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991493826] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 09:03:25,556 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 09:03:25,556 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 14] total 35
[2024-12-02 09:03:25,556 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270191788]
[2024-12-02 09:03:25,556 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 09:03:25,557 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 35 states
[2024-12-02 09:03:25,557 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:03:25,557 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants.
[2024-12-02 09:03:25,558 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=1012, Unknown=1, NotChecked=0, Total=1190
[2024-12-02 09:03:25,558 INFO  L87              Difference]: Start difference. First operand 675 states and 819 transitions. Second operand  has 35 states, 35 states have (on average 3.0285714285714285) internal successors, (106), 35 states have internal predecessors, (106), 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 09:03:33,903 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:03:33,904 INFO  L93              Difference]: Finished difference Result 749 states and 901 transitions.
[2024-12-02 09:03:33,904 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2024-12-02 09:03:33,904 INFO  L78                 Accepts]: Start accepts. Automaton has  has 35 states, 35 states have (on average 3.0285714285714285) internal successors, (106), 35 states have internal predecessors, (106), 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 39
[2024-12-02 09:03:33,904 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:03:33,906 INFO  L225             Difference]: With dead ends: 749
[2024-12-02 09:03:33,906 INFO  L226             Difference]: Without dead ends: 736
[2024-12-02 09:03:33,907 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 788 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=559, Invalid=2632, Unknown=1, NotChecked=0, Total=3192
[2024-12-02 09:03:33,907 INFO  L435           NwaCegarLoop]: 40 mSDtfsCounter, 519 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time
[2024-12-02 09:03:33,907 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 513 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time]
[2024-12-02 09:03:33,908 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 736 states.
[2024-12-02 09:03:34,213 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 700.
[2024-12-02 09:03:34,215 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 700 states, 698 states have (on average 1.2091690544412608) internal successors, (844), 699 states have internal predecessors, (844), 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 09:03:34,216 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 844 transitions.
[2024-12-02 09:03:34,217 INFO  L78                 Accepts]: Start accepts. Automaton has 700 states and 844 transitions. Word has length 39
[2024-12-02 09:03:34,217 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:03:34,217 INFO  L471      AbstractCegarLoop]: Abstraction has 700 states and 844 transitions.
[2024-12-02 09:03:34,217 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 35 states, 35 states have (on average 3.0285714285714285) internal successors, (106), 35 states have internal predecessors, (106), 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 09:03:34,217 INFO  L276                IsEmpty]: Start isEmpty. Operand 700 states and 844 transitions.
[2024-12-02 09:03:34,218 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2024-12-02 09:03:34,218 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:03:34,218 INFO  L218           NwaCegarLoop]: trace histogram [5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:03:34,226 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0
[2024-12-02 09:03:34,419 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:03:34,419 INFO  L396      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:03:34,419 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:03:34,419 INFO  L85        PathProgramCache]: Analyzing trace with hash -552801269, now seen corresponding path program 2 times
[2024-12-02 09:03:34,419 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:03:34,419 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658142483]
[2024-12-02 09:03:34,420 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 09:03:34,420 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:03:34,469 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 09:03:34,469 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 09:03:35,740 INFO  L134       CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-12-02 09:03:35,740 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:03:35,740 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658142483]
[2024-12-02 09:03:35,740 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658142483] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 09:03:35,740 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943534681]
[2024-12-02 09:03:35,740 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 09:03:35,740 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:03:35,741 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:03:35,742 INFO  L229       MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:03:35,743 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process
[2024-12-02 09:03:36,250 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 09:03:36,250 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 09:03:36,253 INFO  L256         TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 79 conjuncts are in the unsatisfiable core
[2024-12-02 09:03:36,259 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:03:36,280 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 32
[2024-12-02 09:03:36,291 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26
[2024-12-02 09:03:36,329 INFO  L349             Elim1Store]: treesize reduction 62, result has 7.5 percent of original size
[2024-12-02 09:03:36,329 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 159 treesize of output 126
[2024-12-02 09:03:36,340 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 42
[2024-12-02 09:03:36,346 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 36
[2024-12-02 09:03:36,353 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:03:36,386 INFO  L349             Elim1Store]: treesize reduction 39, result has 11.4 percent of original size
[2024-12-02 09:03:36,386 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 38
[2024-12-02 09:03:36,397 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 16
[2024-12-02 09:03:36,411 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15
[2024-12-02 09:03:36,626 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:03:36,627 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 34
[2024-12-02 09:03:36,653 INFO  L349             Elim1Store]: treesize reduction 21, result has 44.7 percent of original size
[2024-12-02 09:03:36,653 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 23
[2024-12-02 09:03:36,753 INFO  L349             Elim1Store]: treesize reduction 72, result has 33.3 percent of original size
[2024-12-02 09:03:36,753 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 48
[2024-12-02 09:03:36,794 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16
[2024-12-02 09:03:36,914 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16
[2024-12-02 09:03:36,931 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 40
[2024-12-02 09:03:36,958 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15
[2024-12-02 09:03:37,803 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:03:37,807 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 38
[2024-12-02 09:03:37,814 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15
[2024-12-02 09:03:37,829 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:03:37,849 INFO  L349             Elim1Store]: treesize reduction 19, result has 36.7 percent of original size
[2024-12-02 09:03:37,849 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25
[2024-12-02 09:03:50,343 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:03:50,344 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 117
[2024-12-02 09:03:50,373 INFO  L349             Elim1Store]: treesize reduction 21, result has 44.7 percent of original size
[2024-12-02 09:03:50,373 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 23
[2024-12-02 09:03:50,505 INFO  L349             Elim1Store]: treesize reduction 8, result has 90.6 percent of original size
[2024-12-02 09:03:50,505 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 129 treesize of output 191
[2024-12-02 09:03:50,519 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 114
[2024-12-02 09:03:51,168 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24
[2024-12-02 09:03:51,177 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 72
[2024-12-02 09:03:51,194 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 66
[2024-12-02 09:03:51,920 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-02 09:03:51,920 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 92 treesize of output 66
[2024-12-02 09:03:51,928 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29
[2024-12-02 09:03:52,156 INFO  L134       CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-12-02 09:03:52,156 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 09:03:52,333 WARN  L851   $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int) (v_ArrVal_3490 (Array Int Int)) (v_ArrVal_3491 (Array Int Int))) (= (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_main_~item~0#1.base| (store (select |c_#memory_int#1| |c_ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|) 1)) (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_3491) |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (+ (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_3490) |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|) 8)) 1)) is different from false
[2024-12-02 09:03:52,353 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-02 09:03:52,354 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 35
[2024-12-02 09:03:52,850 WARN  L851   $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~item~0#1.base_117| Int) (|v_ULTIMATE.start_main_~bcki~0#1.offset_154| Int) (v_ArrVal_3485 (Array Int Int)) (|v_ULTIMATE.start_main_~item~0#1.offset_116| Int) (v_arrayElimArr_40 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int) (v_ArrVal_3490 (Array Int Int)) (v_ArrVal_3491 (Array Int Int))) (or (= (let ((.cse0 (+ 4 |v_ULTIMATE.start_main_~bcki~0#1.offset_154|))) (select (select (store (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_3485) |v_ULTIMATE.start_main_~item~0#1.base_117| v_arrayElimArr_40) (select (select (store (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bucket~0#1.base| (store (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse0 |c_ULTIMATE.start_main_~item~0#1.base|)) |v_ULTIMATE.start_main_~item~0#1.base_117| v_ArrVal_3491) |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (+ 8 (select (select (store (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bucket~0#1.base| (store (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse0 |ULTIMATE.start_main_~item~0#1.offset|)) |v_ULTIMATE.start_main_~item~0#1.base_117| v_ArrVal_3490) |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|)))) 1) (< |v_ULTIMATE.start_main_~bcki~0#1.offset_154| |c_ULTIMATE.start_main_~bucket~0#1.offset|) (not (= (select v_arrayElimArr_40 (+ |v_ULTIMATE.start_main_~item~0#1.offset_116| 4)) 1)) (not (= (select |c_#valid| |v_ULTIMATE.start_main_~item~0#1.base_117|) 0)))) is different from false
[2024-12-02 09:03:52,887 WARN  L851   $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~item~0#1.base_117| Int) (v_ArrVal_3481 (Array Int Int)) (|v_ULTIMATE.start_main_~bcki~0#1.offset_154| Int) (v_ArrVal_3482 (Array Int Int)) (v_ArrVal_3483 (Array Int Int)) (v_ArrVal_3485 (Array Int Int)) (|v_ULTIMATE.start_main_~item~0#1.offset_116| Int) (v_arrayElimArr_40 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int) (v_ArrVal_3490 (Array Int Int)) (v_ArrVal_3491 (Array Int Int))) (or (= (let ((.cse1 (+ 4 |v_ULTIMATE.start_main_~bcki~0#1.offset_154|))) (select (select (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_3481) |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_3485) |v_ULTIMATE.start_main_~item~0#1.base_117| v_arrayElimArr_40) (select (select (store (let ((.cse0 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_3483))) (store .cse0 |c_ULTIMATE.start_main_~bucket~0#1.base| (store (select .cse0 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse1 |c_ULTIMATE.start_main_~item~0#1.base|))) |v_ULTIMATE.start_main_~item~0#1.base_117| v_ArrVal_3491) |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (+ (select (select (store (let ((.cse2 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_3482))) (store .cse2 |c_ULTIMATE.start_main_~bucket~0#1.base| (store (select .cse2 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse1 |ULTIMATE.start_main_~item~0#1.offset|))) |v_ULTIMATE.start_main_~item~0#1.base_117| v_ArrVal_3490) |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|) 8))) 1) (< |v_ULTIMATE.start_main_~bcki~0#1.offset_154| |c_ULTIMATE.start_main_~bucket~0#1.offset|) (not (= (select v_arrayElimArr_40 (+ |v_ULTIMATE.start_main_~item~0#1.offset_116| 4)) 1)) (not (= (select |c_#valid| |v_ULTIMATE.start_main_~item~0#1.base_117|) 0)))) is different from false
[2024-12-02 09:03:53,095 WARN  L851   $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~item~0#1.offset_116| Int) (v_ArrVal_3477 Int) (v_arrayElimArr_40 (Array Int Int)) (v_ArrVal_3490 (Array Int Int)) (v_ArrVal_3491 (Array Int Int)) (|v_ULTIMATE.start_main_~item~0#1.base_117| Int) (v_ArrVal_3481 (Array Int Int)) (|v_ULTIMATE.start_main_~bcki~0#1.offset_154| Int) (v_ArrVal_3482 (Array Int Int)) (v_ArrVal_3483 (Array Int Int)) (v_ArrVal_3485 (Array Int Int)) (|v_ULTIMATE.start_main_~item~0#1.base_118| Int) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_main_~item~0#1.base_118|) 0)) (= (let ((.cse1 (+ 4 |v_ULTIMATE.start_main_~bcki~0#1.offset_154|))) (select (select (store (store (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_118| v_ArrVal_3481) |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_3485) |v_ULTIMATE.start_main_~item~0#1.base_117| v_arrayElimArr_40) (select (select (store (let ((.cse0 (store |c_#memory_$Pointer$#1.base| |v_ULTIMATE.start_main_~item~0#1.base_118| v_ArrVal_3483))) (store .cse0 |c_ULTIMATE.start_main_~bucket~0#1.base| (store (select .cse0 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse1 |v_ULTIMATE.start_main_~item~0#1.base_118|))) |v_ULTIMATE.start_main_~item~0#1.base_117| v_ArrVal_3491) |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (+ (select (select (store (let ((.cse2 (store |c_#memory_$Pointer$#1.offset| |v_ULTIMATE.start_main_~item~0#1.base_118| v_ArrVal_3482))) (store .cse2 |c_ULTIMATE.start_main_~bucket~0#1.base| (store (select .cse2 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse1 |ULTIMATE.start_main_~item~0#1.offset|))) |v_ULTIMATE.start_main_~item~0#1.base_117| v_ArrVal_3490) |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|) 8))) 1) (not (= (select (store |c_#valid| |v_ULTIMATE.start_main_~item~0#1.base_118| v_ArrVal_3477) |v_ULTIMATE.start_main_~item~0#1.base_117|) 0)) (< |v_ULTIMATE.start_main_~bcki~0#1.offset_154| |c_ULTIMATE.start_main_~bucket~0#1.offset|) (not (= (select v_arrayElimArr_40 (+ |v_ULTIMATE.start_main_~item~0#1.offset_116| 4)) 1)))) is different from false
[2024-12-02 09:03:53,198 INFO  L134       CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 5 not checked.
[2024-12-02 09:03:53,198 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [943534681] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 09:03:53,198 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 09:03:53,198 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 12] total 30
[2024-12-02 09:03:53,198 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702211376]
[2024-12-02 09:03:53,198 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 09:03:53,198 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 30 states
[2024-12-02 09:03:53,199 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:03:53,199 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants.
[2024-12-02 09:03:53,199 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=568, Unknown=8, NotChecked=204, Total=870
[2024-12-02 09:03:53,199 INFO  L87              Difference]: Start difference. First operand 700 states and 844 transitions. Second operand  has 30 states, 30 states have (on average 3.2666666666666666) internal successors, (98), 30 states have internal predecessors, (98), 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 09:03:57,881 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:03:57,881 INFO  L93              Difference]: Finished difference Result 1134 states and 1377 transitions.
[2024-12-02 09:03:57,882 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-12-02 09:03:57,882 INFO  L78                 Accepts]: Start accepts. Automaton has  has 30 states, 30 states have (on average 3.2666666666666666) internal successors, (98), 30 states have internal predecessors, (98), 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 40
[2024-12-02 09:03:57,882 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:03:57,885 INFO  L225             Difference]: With dead ends: 1134
[2024-12-02 09:03:57,885 INFO  L226             Difference]: Without dead ends: 1042
[2024-12-02 09:03:57,886 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 64 SyntacticMatches, 4 SemanticMatches, 35 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 15.6s TimeCoverageRelationStatistics Valid=214, Invalid=850, Unknown=8, NotChecked=260, Total=1332
[2024-12-02 09:03:57,887 INFO  L435           NwaCegarLoop]: 36 mSDtfsCounter, 276 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 347 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2024-12-02 09:03:57,887 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 473 Invalid, 937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 569 Invalid, 0 Unknown, 347 Unchecked, 2.4s Time]
[2024-12-02 09:03:57,888 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1042 states.
[2024-12-02 09:03:58,251 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 936.
[2024-12-02 09:03:58,252 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 936 states, 934 states have (on average 1.2119914346895075) internal successors, (1132), 935 states have internal predecessors, (1132), 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 09:03:58,254 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1132 transitions.
[2024-12-02 09:03:58,254 INFO  L78                 Accepts]: Start accepts. Automaton has 936 states and 1132 transitions. Word has length 40
[2024-12-02 09:03:58,254 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:03:58,254 INFO  L471      AbstractCegarLoop]: Abstraction has 936 states and 1132 transitions.
[2024-12-02 09:03:58,255 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 30 states, 30 states have (on average 3.2666666666666666) internal successors, (98), 30 states have internal predecessors, (98), 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 09:03:58,255 INFO  L276                IsEmpty]: Start isEmpty. Operand 936 states and 1132 transitions.
[2024-12-02 09:03:58,255 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2024-12-02 09:03:58,255 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:03:58,256 INFO  L218           NwaCegarLoop]: trace histogram [5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:03:58,263 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0
[2024-12-02 09:03:58,456 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:03:58,456 INFO  L396      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:03:58,456 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:03:58,456 INFO  L85        PathProgramCache]: Analyzing trace with hash 2053222285, now seen corresponding path program 1 times
[2024-12-02 09:03:58,456 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:03:58,457 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770965903]
[2024-12-02 09:03:58,457 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:03:58,457 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:03:58,498 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:04:00,206 INFO  L134       CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:04:00,206 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:04:00,207 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770965903]
[2024-12-02 09:04:00,207 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770965903] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 09:04:00,207 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103664686]
[2024-12-02 09:04:00,207 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:04:00,207 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:04:00,207 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:04:00,209 INFO  L229       MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:04:00,210 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process
[2024-12-02 09:04:00,487 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:04:00,490 INFO  L256         TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 91 conjuncts are in the unsatisfiable core
[2024-12-02 09:04:00,494 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:04:00,509 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 32
[2024-12-02 09:04:00,518 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 36
[2024-12-02 09:04:00,572 INFO  L349             Elim1Store]: treesize reduction 54, result has 23.9 percent of original size
[2024-12-02 09:04:00,572 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 86 treesize of output 78
[2024-12-02 09:04:00,648 INFO  L349             Elim1Store]: treesize reduction 102, result has 32.5 percent of original size
[2024-12-02 09:04:00,648 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 59
[2024-12-02 09:04:00,666 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 36
[2024-12-02 09:04:00,673 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 19
[2024-12-02 09:04:00,690 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21
[2024-12-02 09:04:00,708 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11
[2024-12-02 09:04:00,765 INFO  L349             Elim1Store]: treesize reduction 124, result has 10.8 percent of original size
[2024-12-02 09:04:00,766 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 83 treesize of output 70
[2024-12-02 09:04:01,003 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:04:01,023 INFO  L349             Elim1Store]: treesize reduction 25, result has 16.7 percent of original size
[2024-12-02 09:04:01,023 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 106 treesize of output 75
[2024-12-02 09:04:01,036 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:04:01,111 INFO  L349             Elim1Store]: treesize reduction 90, result has 36.6 percent of original size
[2024-12-02 09:04:01,111 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 69
[2024-12-02 09:04:01,147 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29
[2024-12-02 09:04:01,156 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:04:01,156 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 49
[2024-12-02 09:04:01,364 INFO  L349             Elim1Store]: treesize reduction 25, result has 16.7 percent of original size
[2024-12-02 09:04:01,364 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 126 treesize of output 87
[2024-12-02 09:04:01,413 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29
[2024-12-02 09:04:01,422 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:04:01,422 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 49
[2024-12-02 09:04:02,611 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:04:02,642 INFO  L349             Elim1Store]: treesize reduction 39, result has 15.2 percent of original size
[2024-12-02 09:04:02,642 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 149 treesize of output 86
[2024-12-02 09:04:02,669 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:04:02,675 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:04:02,703 INFO  L349             Elim1Store]: treesize reduction 19, result has 36.7 percent of original size
[2024-12-02 09:04:02,704 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 67
[2024-12-02 09:04:02,760 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29
[2024-12-02 09:04:03,239 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:04:03,257 INFO  L349             Elim1Store]: treesize reduction 25, result has 16.7 percent of original size
[2024-12-02 09:04:03,257 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 217 treesize of output 154
[2024-12-02 09:04:03,275 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:04:03,461 INFO  L349             Elim1Store]: treesize reduction 12, result has 93.4 percent of original size
[2024-12-02 09:04:03,461 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 144 treesize of output 280
[2024-12-02 09:04:03,477 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:04:03,478 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 139
[2024-12-02 09:04:03,486 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29
[2024-12-02 09:04:04,725 INFO  L349             Elim1Store]: treesize reduction 25, result has 16.7 percent of original size
[2024-12-02 09:04:04,726 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 430 treesize of output 309
[2024-12-02 09:04:04,754 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:04:04,755 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 378 treesize of output 366
[2024-12-02 09:04:04,911 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 38
[2024-12-02 09:04:14,941 WARN  L286               SmtUtils]: Spent 5.41s on a formula simplification. DAG size of input: 630 DAG size of output: 420 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1)
[2024-12-02 09:04:14,942 INFO  L349             Elim1Store]: treesize reduction 1280, result has 43.1 percent of original size
[2024-12-02 09:04:14,942 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 26 select indices, 26 select index equivalence classes, 1 disjoint index pairs (out of 325 index pairs), introduced 31 new quantified variables, introduced 325 case distinctions, treesize of input 945 treesize of output 1396
[2024-12-02 09:04:15,166 INFO  L224             Elim1Store]: Index analysis took 145 ms
[2024-12-02 09:04:17,404 INFO  L349             Elim1Store]: treesize reduction 40, result has 93.4 percent of original size
[2024-12-02 09:04:17,404 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 1 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 146 case distinctions, treesize of input 415 treesize of output 911
[2024-12-02 09:07:54,540 WARN  L249               Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory")

[2024-12-02 09:07:54,540 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 101
[2024-12-02 09:07:54,541 WARN  L320   FreeRefinementEngine]: Global settings require throwing the following exception
[2024-12-02 09:07:54,549 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0
[2024-12-02 09:07:54,742 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24
[2024-12-02 09:07:54,742 FATAL L?                        ?]: An unrecoverable error occured during an interaction with an SMT solver:
de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")

	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262)
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277)
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:147)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:111)
	at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:584)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:245)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:318)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:728)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:140)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:337)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:234)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:195)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:291)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:181)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.<init>(TraceCheckSpWp.java:160)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:85)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:82)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:317)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:428)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:314)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:275)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:140)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518)
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701)
	at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383)
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258)
	... 60 more
[2024-12-02 09:07:54,747 INFO  L158              Benchmark]: Toolchain (without parser) took 456116.87ms. Allocated memory was 117.4MB in the beginning and 587.2MB in the end (delta: 469.8MB). Free memory was 92.2MB in the beginning and 198.4MB in the end (delta: -106.3MB). Peak memory consumption was 382.6MB. Max. memory is 16.1GB.
[2024-12-02 09:07:54,748 INFO  L158              Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 09:07:54,748 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 303.39ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 74.0MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 09:07:54,748 INFO  L158              Benchmark]: Boogie Procedure Inliner took 32.03ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 72.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 09:07:54,748 INFO  L158              Benchmark]: Boogie Preprocessor took 39.83ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 70.0MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 09:07:54,748 INFO  L158              Benchmark]: RCFGBuilder took 345.81ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 51.9MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 09:07:54,748 INFO  L158              Benchmark]: TraceAbstraction took 455390.88ms. Allocated memory was 117.4MB in the beginning and 587.2MB in the end (delta: 469.8MB). Free memory was 51.3MB in the beginning and 198.4MB in the end (delta: -147.1MB). Peak memory consumption was 340.6MB. Max. memory is 16.1GB.
[2024-12-02 09:07:54,750 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 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 303.39ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 74.0MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 32.03ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 72.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 39.83ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 70.0MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * RCFGBuilder took 345.81ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 51.9MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * TraceAbstraction took 455390.88ms. Allocated memory was 117.4MB in the beginning and 587.2MB in the end (delta: 469.8MB). Free memory was 51.3MB in the beginning and 198.4MB in the end (delta: -147.1MB). Peak memory consumption was 340.6MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")

    de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis

### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/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_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-buckets-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c6b726a83620fff2a21a6dbfdec50e244c1786dd86dd76b1719515a59b3627ac
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 09:07:56,702 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 09:07:56,798 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-12-02 09:07:56,805 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 09:07:56,805 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 09:07:56,830 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 09:07:56,831 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 09:07:56,831 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 09:07:56,831 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 09:07:56,832 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 09:07:56,832 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 09:07:56,832 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 09:07:56,832 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 09:07:56,832 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 09:07:56,832 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 09:07:56,833 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 09:07:56,833 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-02 09:07:56,833 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-12-02 09:07:56,833 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-12-02 09:07:56,833 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 09:07:56,833 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 09:07:56,833 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 09:07:56,833 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 09:07:56,833 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-12-02 09:07:56,834 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-12-02 09:07:56,834 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-12-02 09:07:56,834 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-12-02 09:07:56,834 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 09:07:56,834 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 09:07:56,834 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 09:07:56,834 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 09:07:56,834 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 09:07:56,834 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 09:07:56,834 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 09:07:56,834 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 09:07:56,834 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 09:07:56,834 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 09:07:56,835 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 09:07:56,835 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 09:07:56,835 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 09:07:56,835 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 09:07:56,835 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 09:07:56,835 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-02 09:07:56,835 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 09:07:56,836 INFO  L153        SettingsManager]:  * Trace refinement strategy=FOX
[2024-12-02 09:07:56,836 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-12-02 09:07:56,836 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 09:07:56,836 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 09:07:56,836 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 09:07:56,836 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 09:07:56,836 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_200f7d83-6006-40be-accf-5d73fa1e1341/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 ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6b726a83620fff2a21a6dbfdec50e244c1786dd86dd76b1719515a59b3627ac
[2024-12-02 09:07:57,088 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 09:07:57,095 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 09:07:57,098 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 09:07:57,099 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 09:07:57,099 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 09:07:57,100 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/forester-heap/sll-buckets-1.i
[2024-12-02 09:08:00,168 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/data/eb1a383aa/db62af6727eb46a79ac25f7263010cc1/FLAGab60f9383
[2024-12-02 09:08:00,421 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 09:08:00,422 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/sv-benchmarks/c/forester-heap/sll-buckets-1.i
[2024-12-02 09:08:00,438 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/data/eb1a383aa/db62af6727eb46a79ac25f7263010cc1/FLAGab60f9383
[2024-12-02 09:08:00,457 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/data/eb1a383aa/db62af6727eb46a79ac25f7263010cc1
[2024-12-02 09:08:00,459 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 09:08:00,461 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 09:08:00,463 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 09:08:00,463 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 09:08:00,468 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 09:08:00,469 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:08:00" (1/1) ...
[2024-12-02 09:08:00,470 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10c079f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:00, skipping insertion in model container
[2024-12-02 09:08:00,470 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:08:00" (1/1) ...
[2024-12-02 09:08:00,507 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 09:08:00,818 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/sv-benchmarks/c/forester-heap/sll-buckets-1.i[22663,22676]
[2024-12-02 09:08:00,823 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/sv-benchmarks/c/forester-heap/sll-buckets-1.i[22734,22747]
[2024-12-02 09:08:00,825 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/sv-benchmarks/c/forester-heap/sll-buckets-1.i[22862,22875]
[2024-12-02 09:08:00,830 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/sv-benchmarks/c/forester-heap/sll-buckets-1.i[23275,23288]
[2024-12-02 09:08:00,831 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/sv-benchmarks/c/forester-heap/sll-buckets-1.i[23364,23377]
[2024-12-02 09:08:00,835 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 09:08:00,849 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-02 09:08:00,890 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/sv-benchmarks/c/forester-heap/sll-buckets-1.i[22663,22676]
[2024-12-02 09:08:00,891 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/sv-benchmarks/c/forester-heap/sll-buckets-1.i[22734,22747]
[2024-12-02 09:08:00,892 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/sv-benchmarks/c/forester-heap/sll-buckets-1.i[22862,22875]
[2024-12-02 09:08:00,898 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/sv-benchmarks/c/forester-heap/sll-buckets-1.i[23275,23288]
[2024-12-02 09:08:00,899 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/sv-benchmarks/c/forester-heap/sll-buckets-1.i[23364,23377]
[2024-12-02 09:08:00,901 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 09:08:00,931 INFO  L204         MainTranslator]: Completed translation
[2024-12-02 09:08:00,931 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:00 WrapperNode
[2024-12-02 09:08:00,931 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 09:08:00,932 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 09:08:00,933 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 09:08:00,933 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 09:08:00,940 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:00" (1/1) ...
[2024-12-02 09:08:00,956 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:00" (1/1) ...
[2024-12-02 09:08:00,980 INFO  L138                Inliner]: procedures = 122, calls = 42, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 143
[2024-12-02 09:08:00,980 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 09:08:00,981 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 09:08:00,981 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 09:08:00,981 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 09:08:00,991 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:00" (1/1) ...
[2024-12-02 09:08:00,991 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:00" (1/1) ...
[2024-12-02 09:08:00,996 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:00" (1/1) ...
[2024-12-02 09:08:01,015 INFO  L175           MemorySlicer]: Split 32 memory accesses to 2 slices as follows [2, 30]. 94 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 16 writes are split as follows [0, 16].
[2024-12-02 09:08:01,015 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:00" (1/1) ...
[2024-12-02 09:08:01,015 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:00" (1/1) ...
[2024-12-02 09:08:01,026 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:00" (1/1) ...
[2024-12-02 09:08:01,027 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:00" (1/1) ...
[2024-12-02 09:08:01,031 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:00" (1/1) ...
[2024-12-02 09:08:01,033 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:00" (1/1) ...
[2024-12-02 09:08:01,034 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:00" (1/1) ...
[2024-12-02 09:08:01,036 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 09:08:01,037 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 09:08:01,037 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 09:08:01,037 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-02 09:08:01,038 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:00" (1/1) ...
[2024-12-02 09:08:01,044 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 09:08:01,058 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:08:01,071 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 09:08:01,074 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 09:08:01,100 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-12-02 09:08:01,100 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-12-02 09:08:01,100 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-12-02 09:08:01,100 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 09:08:01,100 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-12-02 09:08:01,100 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-12-02 09:08:01,100 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-12-02 09:08:01,100 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-12-02 09:08:01,100 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-12-02 09:08:01,100 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-12-02 09:08:01,101 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2024-12-02 09:08:01,101 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-12-02 09:08:01,101 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-12-02 09:08:01,101 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 09:08:01,101 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 09:08:01,234 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-02 09:08:01,237 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 09:08:04,346 INFO  L?                        ?]: Removed 29 outVars from TransFormulas that were not future-live.
[2024-12-02 09:08:04,346 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-02 09:08:04,356 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 09:08:04,356 INFO  L312             CfgBuilder]: Removed 10 assume(true) statements.
[2024-12-02 09:08:04,356 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:08:04 BoogieIcfgContainer
[2024-12-02 09:08:04,357 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 09:08:04,359 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 09:08:04,359 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 09:08:04,364 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-02 09:08:04,364 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:08:00" (1/3) ...
[2024-12-02 09:08:04,365 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee0f8af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:08:04, skipping insertion in model container
[2024-12-02 09:08:04,365 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:00" (2/3) ...
[2024-12-02 09:08:04,365 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee0f8af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:08:04, skipping insertion in model container
[2024-12-02 09:08:04,365 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:08:04" (3/3) ...
[2024-12-02 09:08:04,367 INFO  L128   eAbstractionObserver]: Analyzing ICFG sll-buckets-1.i
[2024-12-02 09:08:04,380 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 09:08:04,382 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG sll-buckets-1.i that has 1 procedures, 49 locations, 1 initial locations, 10 loop locations, and 5 error locations.
[2024-12-02 09:08:04,425 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 09:08:04,436 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@16ba7522, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 09:08:04,436 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-12-02 09:08:04,439 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 49 states, 43 states have (on average 1.7674418604651163) internal successors, (76), 48 states have internal predecessors, (76), 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 09:08:04,445 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-12-02 09:08:04,445 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:08:04,446 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:08:04,446 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:08:04,450 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:08:04,450 INFO  L85        PathProgramCache]: Analyzing trace with hash 294364465, now seen corresponding path program 1 times
[2024-12-02 09:08:04,459 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 09:08:04,459 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [119684007]
[2024-12-02 09:08:04,460 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:08:04,460 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:08:04,461 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:08:04,463 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:08:04,464 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 09:08:04,622 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:08:04,625 INFO  L256         TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 09:08:04,629 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:08:04,729 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 09:08:04,729 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 09:08:04,730 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 09:08:04,731 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119684007]
[2024-12-02 09:08:04,731 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [119684007] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 09:08:04,731 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 09:08:04,732 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 09:08:04,733 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055622658]
[2024-12-02 09:08:04,734 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 09:08:04,737 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 09:08:04,737 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 09:08:04,753 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 09:08:04,753 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 09:08:04,755 INFO  L87              Difference]: Start difference. First operand  has 49 states, 43 states have (on average 1.7674418604651163) internal successors, (76), 48 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:08:04,928 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:08:04,929 INFO  L93              Difference]: Finished difference Result 116 states and 186 transitions.
[2024-12-02 09:08:04,930 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 09:08:04,931 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2024-12-02 09:08:04,931 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:08:04,938 INFO  L225             Difference]: With dead ends: 116
[2024-12-02 09:08:04,938 INFO  L226             Difference]: Without dead ends: 65
[2024-12-02 09:08:04,941 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 09:08:04,944 INFO  L435           NwaCegarLoop]: 41 mSDtfsCounter, 63 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 09:08:04,945 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 90 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 09:08:04,956 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 65 states.
[2024-12-02 09:08:04,969 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 46.
[2024-12-02 09:08:04,971 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 46 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 45 states have internal predecessors, (54), 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 09:08:04,975 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 54 transitions.
[2024-12-02 09:08:04,976 INFO  L78                 Accepts]: Start accepts. Automaton has 46 states and 54 transitions. Word has length 9
[2024-12-02 09:08:04,977 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:08:04,977 INFO  L471      AbstractCegarLoop]: Abstraction has 46 states and 54 transitions.
[2024-12-02 09:08:04,977 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:08:04,977 INFO  L276                IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions.
[2024-12-02 09:08:04,978 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-12-02 09:08:04,978 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:08:04,978 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:08:04,986 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 09:08:05,179 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:08:05,179 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:08:05,180 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:08:05,180 INFO  L85        PathProgramCache]: Analyzing trace with hash 1242712599, now seen corresponding path program 1 times
[2024-12-02 09:08:05,181 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 09:08:05,181 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [661288233]
[2024-12-02 09:08:05,181 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:08:05,181 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:08:05,181 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:08:05,183 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:08:05,184 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 09:08:05,308 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:08:05,310 INFO  L256         TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 09:08:05,311 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:08:05,342 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 09:08:05,342 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 09:08:05,342 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 09:08:05,342 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661288233]
[2024-12-02 09:08:05,342 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [661288233] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 09:08:05,342 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 09:08:05,342 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 09:08:05,343 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093585921]
[2024-12-02 09:08:05,343 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 09:08:05,344 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 09:08:05,344 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 09:08:05,344 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 09:08:05,344 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 09:08:05,345 INFO  L87              Difference]: Start difference. First operand 46 states and 54 transitions. Second operand  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:08:05,439 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:08:05,440 INFO  L93              Difference]: Finished difference Result 48 states and 56 transitions.
[2024-12-02 09:08:05,441 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 09:08:05,441 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2024-12-02 09:08:05,441 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:08:05,442 INFO  L225             Difference]: With dead ends: 48
[2024-12-02 09:08:05,442 INFO  L226             Difference]: Without dead ends: 46
[2024-12-02 09:08:05,442 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 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 09:08:05,443 INFO  L435           NwaCegarLoop]: 49 mSDtfsCounter, 5 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 09:08:05,444 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 80 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 09:08:05,445 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 46 states.
[2024-12-02 09:08:05,450 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44.
[2024-12-02 09:08:05,450 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 44 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 43 states have internal predecessors, (52), 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 09:08:05,451 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions.
[2024-12-02 09:08:05,452 INFO  L78                 Accepts]: Start accepts. Automaton has 44 states and 52 transitions. Word has length 10
[2024-12-02 09:08:05,452 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:08:05,452 INFO  L471      AbstractCegarLoop]: Abstraction has 44 states and 52 transitions.
[2024-12-02 09:08:05,452 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:08:05,452 INFO  L276                IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions.
[2024-12-02 09:08:05,453 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-12-02 09:08:05,453 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:08:05,453 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:08:05,461 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 09:08:05,653 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:08:05,654 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:08:05,654 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:08:05,654 INFO  L85        PathProgramCache]: Analyzing trace with hash -583461257, now seen corresponding path program 1 times
[2024-12-02 09:08:05,655 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 09:08:05,655 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [914951294]
[2024-12-02 09:08:05,655 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:08:05,655 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:08:05,655 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:08:05,657 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:08:05,658 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 09:08:05,791 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:08:05,793 INFO  L256         TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 09:08:05,794 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:08:05,823 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 09:08:05,823 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 09:08:05,823 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 09:08:05,824 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914951294]
[2024-12-02 09:08:05,824 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [914951294] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 09:08:05,824 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 09:08:05,824 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 09:08:05,824 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301075057]
[2024-12-02 09:08:05,824 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 09:08:05,824 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 09:08:05,824 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 09:08:05,825 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 09:08:05,825 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 09:08:05,825 INFO  L87              Difference]: Start difference. First operand 44 states and 52 transitions. Second operand  has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:08:05,890 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:08:05,890 INFO  L93              Difference]: Finished difference Result 44 states and 52 transitions.
[2024-12-02 09:08:05,891 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 09:08:05,891 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2024-12-02 09:08:05,891 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:08:05,892 INFO  L225             Difference]: With dead ends: 44
[2024-12-02 09:08:05,892 INFO  L226             Difference]: Without dead ends: 42
[2024-12-02 09:08:05,892 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 09:08:05,893 INFO  L435           NwaCegarLoop]: 39 mSDtfsCounter, 19 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 09:08:05,893 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 54 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 09:08:05,894 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42 states.
[2024-12-02 09:08:05,899 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42.
[2024-12-02 09:08:05,900 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 42 states, 40 states have (on average 1.25) internal successors, (50), 41 states have internal predecessors, (50), 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 09:08:05,900 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions.
[2024-12-02 09:08:05,900 INFO  L78                 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 11
[2024-12-02 09:08:05,901 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:08:05,901 INFO  L471      AbstractCegarLoop]: Abstraction has 42 states and 50 transitions.
[2024-12-02 09:08:05,901 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:08:05,901 INFO  L276                IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions.
[2024-12-02 09:08:05,902 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-12-02 09:08:05,902 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:08:05,902 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:08:05,911 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-02 09:08:06,102 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:08:06,103 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:08:06,103 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:08:06,103 INFO  L85        PathProgramCache]: Analyzing trace with hash 243137401, now seen corresponding path program 1 times
[2024-12-02 09:08:06,103 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 09:08:06,104 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [370110371]
[2024-12-02 09:08:06,104 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:08:06,104 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:08:06,104 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:08:06,106 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:08:06,107 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-02 09:08:06,237 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:08:06,240 INFO  L256         TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 18 conjuncts are in the unsatisfiable core
[2024-12-02 09:08:06,244 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:08:06,341 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 28
[2024-12-02 09:08:06,416 INFO  L349             Elim1Store]: treesize reduction 62, result has 7.5 percent of original size
[2024-12-02 09:08:06,416 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 73
[2024-12-02 09:08:06,441 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 36
[2024-12-02 09:08:06,457 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:08:06,460 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:08:06,462 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 16
[2024-12-02 09:08:06,491 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:08:06,496 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19
[2024-12-02 09:08:06,808 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 09:08:06,808 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 09:08:06,808 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 09:08:06,808 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370110371]
[2024-12-02 09:08:06,808 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [370110371] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 09:08:06,808 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 09:08:06,808 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 09:08:06,808 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410986935]
[2024-12-02 09:08:06,809 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 09:08:06,809 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 09:08:06,809 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 09:08:06,810 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 09:08:06,810 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 09:08:06,810 INFO  L87              Difference]: Start difference. First operand 42 states and 50 transitions. Second operand  has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:08:09,233 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:08:09,713 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:08:09,714 INFO  L93              Difference]: Finished difference Result 69 states and 82 transitions.
[2024-12-02 09:08:09,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-12-02 09:08:09,716 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12
[2024-12-02 09:08:09,716 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:08:09,716 INFO  L225             Difference]: With dead ends: 69
[2024-12-02 09:08:09,717 INFO  L226             Difference]: Without dead ends: 56
[2024-12-02 09:08:09,717 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 09:08:09,718 INFO  L435           NwaCegarLoop]: 38 mSDtfsCounter, 13 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time
[2024-12-02 09:08:09,718 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 116 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time]
[2024-12-02 09:08:09,719 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2024-12-02 09:08:09,727 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 48.
[2024-12-02 09:08:09,727 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 48 states, 46 states have (on average 1.2391304347826086) internal successors, (57), 47 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:08:09,728 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 57 transitions.
[2024-12-02 09:08:09,728 INFO  L78                 Accepts]: Start accepts. Automaton has 48 states and 57 transitions. Word has length 12
[2024-12-02 09:08:09,728 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:08:09,728 INFO  L471      AbstractCegarLoop]: Abstraction has 48 states and 57 transitions.
[2024-12-02 09:08:09,729 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 09:08:09,729 INFO  L276                IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions.
[2024-12-02 09:08:09,729 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-12-02 09:08:09,729 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:08:09,729 INFO  L218           NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:08:09,740 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-12-02 09:08:09,930 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:08:09,930 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:08:09,931 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:08:09,931 INFO  L85        PathProgramCache]: Analyzing trace with hash 1880189873, now seen corresponding path program 1 times
[2024-12-02 09:08:09,931 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 09:08:09,931 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [647197801]
[2024-12-02 09:08:09,932 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:08:09,932 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:08:09,932 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:08:09,934 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:08:09,935 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-12-02 09:08:10,082 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:08:10,084 INFO  L256         TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 18 conjuncts are in the unsatisfiable core
[2024-12-02 09:08:10,088 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:08:10,123 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 30
[2024-12-02 09:08:10,181 INFO  L349             Elim1Store]: treesize reduction 62, result has 7.5 percent of original size
[2024-12-02 09:08:10,181 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 92 treesize of output 69
[2024-12-02 09:08:10,218 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:08:10,275 INFO  L349             Elim1Store]: treesize reduction 45, result has 13.5 percent of original size
[2024-12-02 09:08:10,275 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 37
[2024-12-02 09:08:10,462 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:08:10,464 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 34
[2024-12-02 09:08:10,532 INFO  L349             Elim1Store]: treesize reduction 12, result has 52.0 percent of original size
[2024-12-02 09:08:10,532 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 26
[2024-12-02 09:08:10,633 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 31
[2024-12-02 09:08:10,878 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-02 09:08:10,878 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 15
[2024-12-02 09:08:10,921 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:08:10,922 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 09:08:11,048 WARN  L851   $PredicateComparison]: unable to prove that (forall ((v_ArrVal_331 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (_ bv0 32) (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_331) |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|)))) is different from false
[2024-12-02 09:08:15,221 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:08:15,221 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 09:08:15,221 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647197801]
[2024-12-02 09:08:15,222 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [647197801] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 09:08:15,222 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-02 09:08:15,222 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11
[2024-12-02 09:08:15,222 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933115139]
[2024-12-02 09:08:15,222 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-02 09:08:15,222 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-12-02 09:08:15,222 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 09:08:15,223 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-12-02 09:08:15,223 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=65, Unknown=3, NotChecked=16, Total=110
[2024-12-02 09:08:15,223 INFO  L87              Difference]: Start difference. First operand 48 states and 57 transitions. Second operand  has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 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 09:08:17,910 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:08:19,988 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:08:20,663 WARN  L851   $PredicateComparison]: unable to prove that (and (not (= (_ bv0 32) (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|))) (forall ((|v_ULTIMATE.start_main_~item~0#1.base_26| (_ BitVec 32)) (v_ArrVal_331 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~item~0#1.base_26|))) (not (= (select (select (store |c_#memory_$Pointer$#1.base| |v_ULTIMATE.start_main_~item~0#1.base_26| v_ArrVal_331) |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|) (_ bv0 32)))))) is different from false
[2024-12-02 09:08:20,862 WARN  L851   $PredicateComparison]: unable to prove that (and (not (= (_ bv0 32) (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|))) (forall ((v_ArrVal_331 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (_ bv0 32) (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_331) |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|))))) is different from false
[2024-12-02 09:08:21,282 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:08:21,282 INFO  L93              Difference]: Finished difference Result 138 states and 167 transitions.
[2024-12-02 09:08:21,283 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-12-02 09:08:21,283 INFO  L78                 Accepts]: Start accepts. Automaton has  has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 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 18
[2024-12-02 09:08:21,283 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:08:21,284 INFO  L225             Difference]: With dead ends: 138
[2024-12-02 09:08:21,284 INFO  L226             Difference]: Without dead ends: 136
[2024-12-02 09:08:21,284 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=66, Invalid=150, Unknown=6, NotChecked=84, Total=306
[2024-12-02 09:08:21,285 INFO  L435           NwaCegarLoop]: 31 mSDtfsCounter, 150 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 15 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 159 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time
[2024-12-02 09:08:21,285 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 233 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 204 Invalid, 7 Unknown, 159 Unchecked, 5.7s Time]
[2024-12-02 09:08:21,286 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 136 states.
[2024-12-02 09:08:21,301 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 74.
[2024-12-02 09:08:21,301 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 74 states, 72 states have (on average 1.25) internal successors, (90), 73 states have internal predecessors, (90), 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 09:08:21,302 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 90 transitions.
[2024-12-02 09:08:21,302 INFO  L78                 Accepts]: Start accepts. Automaton has 74 states and 90 transitions. Word has length 18
[2024-12-02 09:08:21,302 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:08:21,302 INFO  L471      AbstractCegarLoop]: Abstraction has 74 states and 90 transitions.
[2024-12-02 09:08:21,303 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 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 09:08:21,303 INFO  L276                IsEmpty]: Start isEmpty. Operand 74 states and 90 transitions.
[2024-12-02 09:08:21,303 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-12-02 09:08:21,303 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:08:21,303 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:08:21,311 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-12-02 09:08:21,504 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:08:21,504 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:08:21,505 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:08:21,505 INFO  L85        PathProgramCache]: Analyzing trace with hash 2005956332, now seen corresponding path program 1 times
[2024-12-02 09:08:21,505 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 09:08:21,505 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1984598370]
[2024-12-02 09:08:21,505 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:08:21,505 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:08:21,505 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:08:21,507 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:08:21,508 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-12-02 09:08:21,624 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:08:21,626 INFO  L256         TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 27 conjuncts are in the unsatisfiable core
[2024-12-02 09:08:21,629 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:08:21,662 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 32
[2024-12-02 09:08:21,679 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 32
[2024-12-02 09:08:21,799 INFO  L349             Elim1Store]: treesize reduction 54, result has 23.9 percent of original size
[2024-12-02 09:08:21,800 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 77 treesize of output 69
[2024-12-02 09:08:21,924 INFO  L349             Elim1Store]: treesize reduction 102, result has 32.5 percent of original size
[2024-12-02 09:08:21,924 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 54
[2024-12-02 09:08:21,932 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11
[2024-12-02 09:08:21,981 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11
[2024-12-02 09:08:22,014 INFO  L349             Elim1Store]: treesize reduction 21, result has 4.5 percent of original size
[2024-12-02 09:08:22,014 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 43
[2024-12-02 09:08:22,466 INFO  L349             Elim1Store]: treesize reduction 33, result has 17.5 percent of original size
[2024-12-02 09:08:22,467 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 69 treesize of output 53
[2024-12-02 09:08:22,486 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:08:22,487 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32
[2024-12-02 09:08:23,141 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 09:08:23,141 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 09:08:23,640 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 09:08:23,641 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 09:08:23,641 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984598370]
[2024-12-02 09:08:23,641 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1984598370] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 09:08:23,641 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-02 09:08:23,641 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11
[2024-12-02 09:08:23,641 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355812674]
[2024-12-02 09:08:23,641 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-02 09:08:23,641 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-12-02 09:08:23,642 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 09:08:23,642 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-12-02 09:08:23,642 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110
[2024-12-02 09:08:23,642 INFO  L87              Difference]: Start difference. First operand 74 states and 90 transitions. Second operand  has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 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 09:08:25,928 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-12-02 09:08:28,472 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:08:31,979 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:08:34,309 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:08:35,866 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:08:35,866 INFO  L93              Difference]: Finished difference Result 98 states and 116 transitions.
[2024-12-02 09:08:35,867 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-12-02 09:08:35,867 INFO  L78                 Accepts]: Start accepts. Automaton has  has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 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 18
[2024-12-02 09:08:35,867 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:08:35,868 INFO  L225             Difference]: With dead ends: 98
[2024-12-02 09:08:35,868 INFO  L226             Difference]: Without dead ends: 85
[2024-12-02 09:08:35,868 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182
[2024-12-02 09:08:35,869 INFO  L435           NwaCegarLoop]: 39 mSDtfsCounter, 27 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time
[2024-12-02 09:08:35,869 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 199 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time]
[2024-12-02 09:08:35,870 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 85 states.
[2024-12-02 09:08:35,881 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 80.
[2024-12-02 09:08:35,882 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 80 states, 78 states have (on average 1.2307692307692308) internal successors, (96), 79 states have internal predecessors, (96), 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 09:08:35,883 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 96 transitions.
[2024-12-02 09:08:35,883 INFO  L78                 Accepts]: Start accepts. Automaton has 80 states and 96 transitions. Word has length 18
[2024-12-02 09:08:35,883 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:08:35,883 INFO  L471      AbstractCegarLoop]: Abstraction has 80 states and 96 transitions.
[2024-12-02 09:08:35,883 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 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 09:08:35,883 INFO  L276                IsEmpty]: Start isEmpty. Operand 80 states and 96 transitions.
[2024-12-02 09:08:35,884 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2024-12-02 09:08:35,884 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:08:35,884 INFO  L218           NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:08:35,893 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-12-02 09:08:36,084 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:08:36,085 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:08:36,085 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:08:36,085 INFO  L85        PathProgramCache]: Analyzing trace with hash 2002948098, now seen corresponding path program 2 times
[2024-12-02 09:08:36,086 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 09:08:36,086 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2043722844]
[2024-12-02 09:08:36,086 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 09:08:36,086 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:08:36,086 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:08:36,088 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:08:36,089 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-12-02 09:08:50,337 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 09:08:50,337 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 09:08:50,345 INFO  L256         TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 45 conjuncts are in the unsatisfiable core
[2024-12-02 09:08:50,349 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:08:50,371 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35
[2024-12-02 09:08:50,388 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:08:50,392 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:08:50,393 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11
[2024-12-02 09:08:50,401 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:08:50,406 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15
[2024-12-02 09:08:50,474 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7
[2024-12-02 09:08:50,531 INFO  L349             Elim1Store]: treesize reduction 13, result has 40.9 percent of original size
[2024-12-02 09:08:50,531 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 15
[2024-12-02 09:08:50,559 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7
[2024-12-02 09:08:50,644 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22
[2024-12-02 09:08:50,677 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11
[2024-12-02 09:08:50,699 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11
[2024-12-02 09:08:51,351 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3
[2024-12-02 09:08:51,359 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3
[2024-12-02 09:08:51,755 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-02 09:08:51,756 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 61
[2024-12-02 09:08:52,043 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:08:52,043 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 09:08:53,459 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 310 treesize of output 302
[2024-12-02 09:08:53,515 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-02 09:08:53,515 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 241 treesize of output 239
[2024-12-02 09:08:53,541 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-02 09:08:53,541 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 167 treesize of output 152
[2024-12-02 09:08:53,779 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 14 treesize of output 12
[2024-12-02 09:08:53,818 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 166 treesize of output 162
[2024-12-02 09:08:53,832 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 14 treesize of output 12
[2024-12-02 09:08:54,027 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 14 treesize of output 12
[2024-12-02 09:08:54,046 INFO  L173   IndexEqualityManager]: detected equality via solver
[2024-12-02 09:08:54,052 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32
[2024-12-02 09:08:54,063 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12
[2024-12-02 09:08:54,207 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 14 treesize of output 12
[2024-12-02 09:08:54,230 INFO  L173   IndexEqualityManager]: detected equality via solver
[2024-12-02 09:08:54,230 INFO  L173   IndexEqualityManager]: detected equality via solver
[2024-12-02 09:08:54,235 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12
[2024-12-02 09:08:54,254 INFO  L173   IndexEqualityManager]: detected equality via solver
[2024-12-02 09:08:54,260 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44
[2024-12-02 09:08:54,309 INFO  L173   IndexEqualityManager]: detected equality via solver
[2024-12-02 09:08:54,310 INFO  L173   IndexEqualityManager]: detected equality via solver
[2024-12-02 09:08:54,316 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 14 treesize of output 12
[2024-12-02 09:08:54,360 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 14 treesize of output 12
[2024-12-02 09:08:54,402 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 180 treesize of output 174
[2024-12-02 09:09:01,973 WARN  L873   $PredicateComparison]: unable to prove that (let ((.cse9 (= |c_ULTIMATE.start_main_~bucket~0#1.offset| (_ bv0 32))) (.cse8 (= |c_ULTIMATE.start_main_~bucket~0#1.offset| (_ bv4 32)))) (let ((.cse2 (not .cse8)) (.cse14 (not .cse9)) (.cse5 (bvadd |c_ULTIMATE.start_main_~bucket~0#1.offset| (_ bv8 32)))) (and (or (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_arrayElimCell_43 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32)) (v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (let ((.cse0 (select .cse1 v_arrayElimCell_38))) (or (= (_ bv0 32) (select .cse0 (bvadd (_ bv8 32) v_arrayElimCell_43))) (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (= (select (select .cse1 |c_ULTIMATE.start_main_~bucket~0#1.base|) (_ bv12 32)) (_ bv0 32)) (= (_ bv0 32) (select .cse0 (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (not (= (_ bv0 32) (select (select .cse1 (_ bv0 32)) (_ bv8 32)))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|))))) .cse2) (forall ((v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (forall ((|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32))) (let ((.cse4 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (or (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_arrayElimCell_43 (_ BitVec 32)) (v_arrayElimCell_42 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32))) (let ((.cse3 (select .cse4 v_arrayElimCell_38))) (or (= (_ bv0 32) (select .cse3 (bvadd (_ bv8 32) v_arrayElimCell_43))) (= (_ bv0 32) (select .cse3 (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (= (_ bv0 32) (select .cse3 (_ bv8 32))) (= (_ bv0 32) (select .cse3 (bvadd (_ bv8 32) v_arrayElimCell_42)))))) (not (= (_ bv0 32) (select (select .cse4 (_ bv0 32)) (_ bv8 32)))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (= (_ bv0 32) (select (select .cse4 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5))))))) (forall ((v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (forall ((|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32))) (let ((.cse6 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (or (not (= (_ bv0 32) (select (select .cse6 (_ bv0 32)) (_ bv8 32)))) (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (v_arrayElimCell_52 (_ BitVec 32))) (let ((.cse7 (select .cse6 v_arrayElimCell_38))) (or (= (_ bv0 32) (select .cse7 (bvadd (_ bv8 32) v_arrayElimCell_52))) (= (_ bv0 32) (select .cse7 (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (= (_ bv0 32) (select .cse7 (_ bv8 32)))))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (= (_ bv0 32) (select (select .cse6 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5))))))) (or .cse8 (and (or .cse9 (forall ((v_arrayElimCell_46 (_ BitVec 32)) (v_arrayElimCell_38 (_ BitVec 32)) (v_arrayElimCell_45 (_ BitVec 32)) (|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32)) (v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse11 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (let ((.cse10 (select .cse11 v_arrayElimCell_38))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (= (_ bv0 32) (select .cse10 (bvadd (_ bv8 32) v_arrayElimCell_46))) (not (= (_ bv0 32) (select (select .cse11 (_ bv0 32)) (_ bv8 32)))) (= (_ bv0 32) (select .cse10 (bvadd (_ bv8 32) v_arrayElimCell_45))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (= (_ bv0 32) (select (select .cse11 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5))))))) (or (forall ((v_arrayElimCell_46 (_ BitVec 32)) (v_arrayElimCell_38 (_ BitVec 32)) (|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32)) (v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse13 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (let ((.cse12 (select .cse13 v_arrayElimCell_38))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (= (_ bv0 32) (select .cse12 (bvadd (_ bv8 32) v_arrayElimCell_46))) (not (= (_ bv0 32) (select (select .cse13 (_ bv0 32)) (_ bv8 32)))) (= (_ bv0 32) (select (select .cse13 |c_ULTIMATE.start_main_~bucket~0#1.base|) (_ bv8 32))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (= (_ bv0 32) (select .cse12 (_ bv8 32))))))) .cse14) (forall ((v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (forall ((|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32))) (let ((.cse16 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (or (forall ((v_arrayElimCell_46 (_ BitVec 32)) (v_arrayElimCell_38 (_ BitVec 32))) (let ((.cse15 (select .cse16 v_arrayElimCell_38))) (or (= (_ bv0 32) (select .cse15 (bvadd (_ bv8 32) v_arrayElimCell_46))) (forall ((v_arrayElimCell_45 (_ BitVec 32))) (= (_ bv0 32) (select .cse15 (bvadd (_ bv8 32) v_arrayElimCell_45)))) (= (_ bv0 32) (select .cse15 (_ bv8 32)))))) (not (= (_ bv0 32) (select (select .cse16 (_ bv0 32)) (_ bv8 32)))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (= (_ bv0 32) (select (select .cse16 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5))))))))) (or .cse2 (forall ((v_DerPreprocessor_1 (_ BitVec 32)) (v_ArrVal_497 (_ BitVec 32)) (v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse17 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bucket~0#1.base| v_arrayElimArr_7))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (not (= (_ bv0 32) (select (select .cse17 (_ bv0 32)) (_ bv8 32)))) (= (_ bv0 32) (select (select .cse17 v_ArrVal_497) (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv12 32))))))) (or (and (forall ((v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse18 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bucket~0#1.base| v_arrayElimArr_7))) (or (= (_ bv0 32) (select v_arrayElimArr_7 .cse5)) (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (not (= (_ bv0 32) (select (select .cse18 (_ bv0 32)) (_ bv8 32)))) (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_arrayElimCell_50 (_ BitVec 32))) (let ((.cse19 (select .cse18 v_arrayElimCell_38))) (or (= (select .cse19 (bvadd (_ bv8 32) v_arrayElimCell_50)) (_ bv0 32)) (forall ((v_DerPreprocessor_1 (_ BitVec 32))) (let ((.cse20 (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (or (forall ((v_ArrVal_497 (_ BitVec 32))) (= (_ bv0 32) (select (select .cse18 v_ArrVal_497) .cse20))) (= (_ bv0 32) (select .cse19 .cse20))))))))))) (or (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (v_arrayElimCell_50 (_ BitVec 32)) (v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse22 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bucket~0#1.base| v_arrayElimArr_7))) (let ((.cse21 (select .cse22 v_arrayElimCell_38))) (or (= (_ bv0 32) (select v_arrayElimArr_7 .cse5)) (= (select .cse21 (bvadd (_ bv8 32) v_arrayElimCell_50)) (_ bv0 32)) (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (not (= (_ bv0 32) (select (select .cse22 (_ bv0 32)) (_ bv8 32)))) (= (_ bv0 32) (select .cse21 (bvadd v_DerPreprocessor_1 (_ bv8 32)))))))) .cse8)) .cse9) (forall ((v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (forall ((|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32))) (let ((.cse23 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (or (not (= (_ bv0 32) (select (select .cse23 (_ bv0 32)) (_ bv8 32)))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (= (_ bv0 32) (select (select .cse23 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5)) (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_arrayElimCell_44 (_ BitVec 32))) (= (_ bv0 32) (select (select .cse23 v_arrayElimCell_38) (bvadd (_ bv8 32) v_arrayElimCell_44))))))))) (or (and (or .cse9 (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_arrayElimCell_49 (_ BitVec 32)) (|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32)) (v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse25 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (let ((.cse24 (select .cse25 v_arrayElimCell_38))) (or (= (_ bv0 32) (select .cse24 (bvadd (_ bv8 32) v_arrayElimCell_49))) (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (not (= (_ bv0 32) (select (select .cse25 (_ bv0 32)) (_ bv8 32)))) (= (_ bv0 32) (select (select .cse25 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5)) (= (_ bv0 32) (select .cse24 (_ bv8 32)))))))) (or .cse9 (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_arrayElimCell_49 (_ BitVec 32)) (|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32)) (v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse26 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (or (= (_ bv0 32) (select (select .cse26 v_arrayElimCell_38) (bvadd (_ bv8 32) v_arrayElimCell_49))) (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (not (= (_ bv0 32) (select (select .cse26 (_ bv0 32)) (_ bv8 32)))) (= (_ bv0 32) (select (select .cse26 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5)))))) (or (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_arrayElimCell_48 (_ BitVec 32)) (v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse27 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bucket~0#1.base| v_arrayElimArr_7))) (or (= (_ bv0 32) (select v_arrayElimArr_7 .cse5)) (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (not (= (_ bv0 32) (select (select .cse27 (_ bv0 32)) (_ bv8 32)))) (= (_ bv0 32) (select (select .cse27 v_arrayElimCell_38) (bvadd (_ bv8 32) v_arrayElimCell_48)))))) .cse9) (forall ((v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_arrayElimCell_49 (_ BitVec 32)) (|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32))) (let ((.cse29 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (let ((.cse28 (select .cse29 v_arrayElimCell_38))) (or (= (_ bv0 32) (select .cse28 (bvadd (_ bv8 32) v_arrayElimCell_49))) (not (= (_ bv0 32) (select (select .cse29 (_ bv0 32)) (_ bv8 32)))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (= (_ bv0 32) (select (select .cse29 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5)) (= (_ bv0 32) (select .cse28 (_ bv8 32)))))))))) .cse8) (forall ((v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (forall ((|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32))) (let ((.cse30 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (or (not (= (_ bv0 32) (select (select .cse30 (_ bv0 32)) (_ bv8 32)))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (forall ((v_arrayElimCell_47 (_ BitVec 32)) (v_arrayElimCell_38 (_ BitVec 32))) (= (_ bv0 32) (select (select .cse30 v_arrayElimCell_38) (bvadd (_ bv8 32) v_arrayElimCell_47)))) (= (_ bv0 32) (select (select .cse30 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5))))))) (or (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (v_arrayElimCell_52 (_ BitVec 32)) (|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32)) (v_ArrVal_497 (_ BitVec 32)) (v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse33 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (let ((.cse31 (select .cse33 v_arrayElimCell_38)) (.cse32 (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (= (_ bv0 32) (select .cse31 (bvadd (_ bv8 32) v_arrayElimCell_52))) (= (_ bv0 32) (select .cse31 .cse32)) (not (= (_ bv0 32) (select (select .cse33 (_ bv0 32)) (_ bv8 32)))) (= (_ bv0 32) (select (select .cse33 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5)) (= (_ bv0 32) (select .cse31 (_ bv8 32))) (= (_ bv0 32) (select (select .cse33 v_ArrVal_497) .cse32)))))) .cse9) (or (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_arrayElimCell_43 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32)) (v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse35 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (let ((.cse34 (select .cse35 v_arrayElimCell_38))) (or (= (_ bv0 32) (select .cse34 (bvadd (_ bv8 32) v_arrayElimCell_43))) (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (= (_ bv0 32) (select .cse34 (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (not (= (_ bv0 32) (select (select .cse35 (_ bv0 32)) (_ bv8 32)))) (= (_ bv0 32) (select (select .cse35 |c_ULTIMATE.start_main_~bucket~0#1.base|) (_ bv8 32))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (= (_ bv0 32) (select .cse34 (_ bv8 32))))))) .cse14) (or .cse9 (and (forall ((v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (forall ((|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32))) (let ((.cse37 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (or (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_arrayElimCell_52 (_ BitVec 32))) (let ((.cse36 (select .cse37 v_arrayElimCell_38))) (or (= (_ bv0 32) (select .cse36 (bvadd (_ bv8 32) v_arrayElimCell_52))) (forall ((v_DerPreprocessor_1 (_ BitVec 32))) (let ((.cse38 (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (or (forall ((v_ArrVal_497 (_ BitVec 32))) (= (_ bv0 32) (select (select .cse37 v_ArrVal_497) .cse38))) (= (_ bv0 32) (select .cse36 .cse38)))))))) (not (= (_ bv0 32) (select (select .cse37 (_ bv0 32)) (_ bv8 32)))) (= (_ bv0 32) (select (select .cse37 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5))))))) (forall ((v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (forall ((|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32))) (let ((.cse40 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (or (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (v_arrayElimCell_52 (_ BitVec 32))) (let ((.cse39 (select .cse40 v_arrayElimCell_38))) (or (= (_ bv0 32) (select .cse39 (bvadd (_ bv8 32) v_arrayElimCell_52))) (= (_ bv0 32) (select .cse39 (bvadd v_DerPreprocessor_1 (_ bv8 32))))))) (not (= (_ bv0 32) (select (select .cse40 (_ bv0 32)) (_ bv8 32)))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (= (_ bv0 32) (select (select .cse40 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5))))))) (or .cse8 (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (v_arrayElimCell_52 (_ BitVec 32)) (|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32)) (v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse42 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (let ((.cse41 (select .cse42 v_arrayElimCell_38))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (= (_ bv0 32) (select .cse41 (bvadd (_ bv8 32) v_arrayElimCell_52))) (= (_ bv0 32) (select .cse41 (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (not (= (_ bv0 32) (select (select .cse42 (_ bv0 32)) (_ bv8 32)))) (= (_ bv0 32) (select (select .cse42 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5))))))))) (forall ((v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (v_arrayElimCell_52 (_ BitVec 32)) (|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32)) (v_ArrVal_497 (_ BitVec 32))) (let ((.cse45 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (let ((.cse43 (select .cse45 v_arrayElimCell_38)) (.cse44 (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (or (= (_ bv0 32) (select .cse43 (bvadd (_ bv8 32) v_arrayElimCell_52))) (= (_ bv0 32) (select .cse43 .cse44)) (not (= (_ bv0 32) (select (select .cse45 (_ bv0 32)) (_ bv8 32)))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (= (_ bv0 32) (select (select .cse45 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5)) (= (_ bv0 32) (select .cse43 (_ bv8 32))) (= (_ bv0 32) (select (select .cse45 v_ArrVal_497) .cse44)))))))) (or (and (or .cse9 (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (v_arrayElimCell_52 (_ BitVec 32)) (|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32)) (v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse47 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (let ((.cse46 (select .cse47 v_arrayElimCell_38))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (= (_ bv0 32) (select .cse46 (bvadd (_ bv8 32) v_arrayElimCell_52))) (= (_ bv0 32) (select .cse46 (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (not (= (_ bv0 32) (select (select .cse47 (_ bv0 32)) (_ bv8 32)))) (= (_ bv0 32) (select (select .cse47 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5)) (= (_ bv0 32) (select .cse46 (_ bv8 32)))))))) (forall ((v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (v_arrayElimCell_52 (_ BitVec 32)) (|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32))) (let ((.cse49 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (let ((.cse48 (select .cse49 v_arrayElimCell_38))) (or (= (_ bv0 32) (select .cse48 (bvadd (_ bv8 32) v_arrayElimCell_52))) (= (_ bv0 32) (select .cse48 (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (not (= (_ bv0 32) (select (select .cse49 (_ bv0 32)) (_ bv8 32)))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (= (_ bv0 32) (select (select .cse49 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5)) (= (_ bv0 32) (select .cse48 (_ bv8 32)))))))))) .cse8) (forall ((v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (forall ((|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32))) (let ((.cse50 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (or (not (= (_ bv0 32) (select (select .cse50 (_ bv0 32)) (_ bv8 32)))) (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (v_arrayElimCell_51 (_ BitVec 32))) (let ((.cse51 (select .cse50 v_arrayElimCell_38))) (or (= (_ bv0 32) (select .cse51 (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (= (_ bv0 32) (select .cse51 (bvadd (_ bv8 32) v_arrayElimCell_51)))))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (= (_ bv0 32) (select (select .cse50 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5))))))) (or .cse9 (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_arrayElimCell_43 (_ BitVec 32)) (v_arrayElimCell_42 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32)) (v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse53 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (let ((.cse52 (select .cse53 v_arrayElimCell_38))) (or (= (_ bv0 32) (select .cse52 (bvadd (_ bv8 32) v_arrayElimCell_43))) (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (= (_ bv0 32) (select .cse52 (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (not (= (_ bv0 32) (select (select .cse53 (_ bv0 32)) (_ bv8 32)))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (= (_ bv0 32) (select (select .cse53 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5)) (= (_ bv0 32) (select .cse52 (bvadd (_ bv8 32) v_arrayElimCell_42)))))))) (forall ((v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (forall ((|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32))) (let ((.cse54 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (or (not (= (_ bv0 32) (select (select .cse54 (_ bv0 32)) (_ bv8 32)))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (v_arrayElimCell_41 (_ BitVec 32))) (let ((.cse55 (select .cse54 v_arrayElimCell_38))) (or (= (_ bv0 32) (select .cse55 (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (= (_ bv0 32) (select .cse55 (bvadd (_ bv8 32) v_arrayElimCell_41)))))) (= (_ bv0 32) (select (select .cse54 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5)))))))))) is different from true
[2024-12-02 09:09:05,774 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:09:05,775 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 09:09:05,775 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043722844]
[2024-12-02 09:09:05,775 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043722844] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 09:09:05,775 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-02 09:09:05,775 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23
[2024-12-02 09:09:05,775 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026254013]
[2024-12-02 09:09:05,775 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-02 09:09:05,775 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 23 states
[2024-12-02 09:09:05,775 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 09:09:05,776 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2024-12-02 09:09:05,776 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=385, Unknown=1, NotChecked=40, Total=506
[2024-12-02 09:09:05,777 INFO  L87              Difference]: Start difference. First operand 80 states and 96 transitions. Second operand  has 23 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 23 states have internal predecessors, (39), 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 09:09:08,442 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:09:10,252 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:09:13,928 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:09:17,942 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:09:20,837 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:09:23,658 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:09:26,411 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:09:28,589 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:09:30,856 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:09:33,950 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:09:36,913 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:09:40,962 WARN  L873   $PredicateComparison]: unable to prove that (let ((.cse9 (= |c_ULTIMATE.start_main_~bucket~0#1.offset| (_ bv0 32))) (.cse8 (= |c_ULTIMATE.start_main_~bucket~0#1.offset| (_ bv4 32)))) (let ((.cse2 (not .cse8)) (.cse14 (not .cse9)) (.cse5 (bvadd |c_ULTIMATE.start_main_~bucket~0#1.offset| (_ bv8 32)))) (and (or (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_arrayElimCell_43 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32)) (v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (let ((.cse0 (select .cse1 v_arrayElimCell_38))) (or (= (_ bv0 32) (select .cse0 (bvadd (_ bv8 32) v_arrayElimCell_43))) (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (= (select (select .cse1 |c_ULTIMATE.start_main_~bucket~0#1.base|) (_ bv12 32)) (_ bv0 32)) (= (_ bv0 32) (select .cse0 (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (not (= (_ bv0 32) (select (select .cse1 (_ bv0 32)) (_ bv8 32)))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|))))) .cse2) (forall ((v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (forall ((|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32))) (let ((.cse4 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (or (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_arrayElimCell_43 (_ BitVec 32)) (v_arrayElimCell_42 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32))) (let ((.cse3 (select .cse4 v_arrayElimCell_38))) (or (= (_ bv0 32) (select .cse3 (bvadd (_ bv8 32) v_arrayElimCell_43))) (= (_ bv0 32) (select .cse3 (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (= (_ bv0 32) (select .cse3 (_ bv8 32))) (= (_ bv0 32) (select .cse3 (bvadd (_ bv8 32) v_arrayElimCell_42)))))) (not (= (_ bv0 32) (select (select .cse4 (_ bv0 32)) (_ bv8 32)))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (= (_ bv0 32) (select (select .cse4 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5))))))) (= (_ bv0 32) (select (select |c_#memory_int#1| |c_ULTIMATE.start_main_~bucket~0#1.base|) (_ bv8 32))) (forall ((v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (forall ((|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32))) (let ((.cse6 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (or (not (= (_ bv0 32) (select (select .cse6 (_ bv0 32)) (_ bv8 32)))) (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (v_arrayElimCell_52 (_ BitVec 32))) (let ((.cse7 (select .cse6 v_arrayElimCell_38))) (or (= (_ bv0 32) (select .cse7 (bvadd (_ bv8 32) v_arrayElimCell_52))) (= (_ bv0 32) (select .cse7 (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (= (_ bv0 32) (select .cse7 (_ bv8 32)))))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (= (_ bv0 32) (select (select .cse6 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5))))))) (or .cse8 (and (or .cse9 (forall ((v_arrayElimCell_46 (_ BitVec 32)) (v_arrayElimCell_38 (_ BitVec 32)) (v_arrayElimCell_45 (_ BitVec 32)) (|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32)) (v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse11 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (let ((.cse10 (select .cse11 v_arrayElimCell_38))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (= (_ bv0 32) (select .cse10 (bvadd (_ bv8 32) v_arrayElimCell_46))) (not (= (_ bv0 32) (select (select .cse11 (_ bv0 32)) (_ bv8 32)))) (= (_ bv0 32) (select .cse10 (bvadd (_ bv8 32) v_arrayElimCell_45))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (= (_ bv0 32) (select (select .cse11 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5))))))) (or (forall ((v_arrayElimCell_46 (_ BitVec 32)) (v_arrayElimCell_38 (_ BitVec 32)) (|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32)) (v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse13 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (let ((.cse12 (select .cse13 v_arrayElimCell_38))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (= (_ bv0 32) (select .cse12 (bvadd (_ bv8 32) v_arrayElimCell_46))) (not (= (_ bv0 32) (select (select .cse13 (_ bv0 32)) (_ bv8 32)))) (= (_ bv0 32) (select (select .cse13 |c_ULTIMATE.start_main_~bucket~0#1.base|) (_ bv8 32))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (= (_ bv0 32) (select .cse12 (_ bv8 32))))))) .cse14) (forall ((v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (forall ((|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32))) (let ((.cse16 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (or (forall ((v_arrayElimCell_46 (_ BitVec 32)) (v_arrayElimCell_38 (_ BitVec 32))) (let ((.cse15 (select .cse16 v_arrayElimCell_38))) (or (= (_ bv0 32) (select .cse15 (bvadd (_ bv8 32) v_arrayElimCell_46))) (forall ((v_arrayElimCell_45 (_ BitVec 32))) (= (_ bv0 32) (select .cse15 (bvadd (_ bv8 32) v_arrayElimCell_45)))) (= (_ bv0 32) (select .cse15 (_ bv8 32)))))) (not (= (_ bv0 32) (select (select .cse16 (_ bv0 32)) (_ bv8 32)))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (= (_ bv0 32) (select (select .cse16 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5))))))))) (or .cse2 (forall ((v_DerPreprocessor_1 (_ BitVec 32)) (v_ArrVal_497 (_ BitVec 32)) (v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse17 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bucket~0#1.base| v_arrayElimArr_7))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (not (= (_ bv0 32) (select (select .cse17 (_ bv0 32)) (_ bv8 32)))) (= (_ bv0 32) (select (select .cse17 v_ArrVal_497) (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv12 32))))))) (or (and (forall ((v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse18 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bucket~0#1.base| v_arrayElimArr_7))) (or (= (_ bv0 32) (select v_arrayElimArr_7 .cse5)) (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (not (= (_ bv0 32) (select (select .cse18 (_ bv0 32)) (_ bv8 32)))) (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_arrayElimCell_50 (_ BitVec 32))) (let ((.cse19 (select .cse18 v_arrayElimCell_38))) (or (= (select .cse19 (bvadd (_ bv8 32) v_arrayElimCell_50)) (_ bv0 32)) (forall ((v_DerPreprocessor_1 (_ BitVec 32))) (let ((.cse20 (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (or (forall ((v_ArrVal_497 (_ BitVec 32))) (= (_ bv0 32) (select (select .cse18 v_ArrVal_497) .cse20))) (= (_ bv0 32) (select .cse19 .cse20))))))))))) (or (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (v_arrayElimCell_50 (_ BitVec 32)) (v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse22 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bucket~0#1.base| v_arrayElimArr_7))) (let ((.cse21 (select .cse22 v_arrayElimCell_38))) (or (= (_ bv0 32) (select v_arrayElimArr_7 .cse5)) (= (select .cse21 (bvadd (_ bv8 32) v_arrayElimCell_50)) (_ bv0 32)) (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (not (= (_ bv0 32) (select (select .cse22 (_ bv0 32)) (_ bv8 32)))) (= (_ bv0 32) (select .cse21 (bvadd v_DerPreprocessor_1 (_ bv8 32)))))))) .cse8)) .cse9) .cse9 (forall ((v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (forall ((|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32))) (let ((.cse23 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (or (not (= (_ bv0 32) (select (select .cse23 (_ bv0 32)) (_ bv8 32)))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (= (_ bv0 32) (select (select .cse23 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5)) (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_arrayElimCell_44 (_ BitVec 32))) (= (_ bv0 32) (select (select .cse23 v_arrayElimCell_38) (bvadd (_ bv8 32) v_arrayElimCell_44))))))))) (or (and (or .cse9 (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_arrayElimCell_49 (_ BitVec 32)) (|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32)) (v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse25 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (let ((.cse24 (select .cse25 v_arrayElimCell_38))) (or (= (_ bv0 32) (select .cse24 (bvadd (_ bv8 32) v_arrayElimCell_49))) (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (not (= (_ bv0 32) (select (select .cse25 (_ bv0 32)) (_ bv8 32)))) (= (_ bv0 32) (select (select .cse25 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5)) (= (_ bv0 32) (select .cse24 (_ bv8 32)))))))) (or .cse9 (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_arrayElimCell_49 (_ BitVec 32)) (|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32)) (v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse26 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (or (= (_ bv0 32) (select (select .cse26 v_arrayElimCell_38) (bvadd (_ bv8 32) v_arrayElimCell_49))) (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (not (= (_ bv0 32) (select (select .cse26 (_ bv0 32)) (_ bv8 32)))) (= (_ bv0 32) (select (select .cse26 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5)))))) (or (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_arrayElimCell_48 (_ BitVec 32)) (v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse27 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bucket~0#1.base| v_arrayElimArr_7))) (or (= (_ bv0 32) (select v_arrayElimArr_7 .cse5)) (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (not (= (_ bv0 32) (select (select .cse27 (_ bv0 32)) (_ bv8 32)))) (= (_ bv0 32) (select (select .cse27 v_arrayElimCell_38) (bvadd (_ bv8 32) v_arrayElimCell_48)))))) .cse9) (forall ((v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_arrayElimCell_49 (_ BitVec 32)) (|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32))) (let ((.cse29 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (let ((.cse28 (select .cse29 v_arrayElimCell_38))) (or (= (_ bv0 32) (select .cse28 (bvadd (_ bv8 32) v_arrayElimCell_49))) (not (= (_ bv0 32) (select (select .cse29 (_ bv0 32)) (_ bv8 32)))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (= (_ bv0 32) (select (select .cse29 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5)) (= (_ bv0 32) (select .cse28 (_ bv8 32)))))))))) .cse8) (forall ((v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (forall ((|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32))) (let ((.cse30 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (or (not (= (_ bv0 32) (select (select .cse30 (_ bv0 32)) (_ bv8 32)))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (forall ((v_arrayElimCell_47 (_ BitVec 32)) (v_arrayElimCell_38 (_ BitVec 32))) (= (_ bv0 32) (select (select .cse30 v_arrayElimCell_38) (bvadd (_ bv8 32) v_arrayElimCell_47)))) (= (_ bv0 32) (select (select .cse30 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5))))))) (or (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (v_arrayElimCell_52 (_ BitVec 32)) (|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32)) (v_ArrVal_497 (_ BitVec 32)) (v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse33 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (let ((.cse31 (select .cse33 v_arrayElimCell_38)) (.cse32 (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (= (_ bv0 32) (select .cse31 (bvadd (_ bv8 32) v_arrayElimCell_52))) (= (_ bv0 32) (select .cse31 .cse32)) (not (= (_ bv0 32) (select (select .cse33 (_ bv0 32)) (_ bv8 32)))) (= (_ bv0 32) (select (select .cse33 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5)) (= (_ bv0 32) (select .cse31 (_ bv8 32))) (= (_ bv0 32) (select (select .cse33 v_ArrVal_497) .cse32)))))) .cse9) (or (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_arrayElimCell_43 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32)) (v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse35 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (let ((.cse34 (select .cse35 v_arrayElimCell_38))) (or (= (_ bv0 32) (select .cse34 (bvadd (_ bv8 32) v_arrayElimCell_43))) (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (= (_ bv0 32) (select .cse34 (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (not (= (_ bv0 32) (select (select .cse35 (_ bv0 32)) (_ bv8 32)))) (= (_ bv0 32) (select (select .cse35 |c_ULTIMATE.start_main_~bucket~0#1.base|) (_ bv8 32))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (= (_ bv0 32) (select .cse34 (_ bv8 32))))))) .cse14) (or .cse9 (and (forall ((v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (forall ((|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32))) (let ((.cse37 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (or (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_arrayElimCell_52 (_ BitVec 32))) (let ((.cse36 (select .cse37 v_arrayElimCell_38))) (or (= (_ bv0 32) (select .cse36 (bvadd (_ bv8 32) v_arrayElimCell_52))) (forall ((v_DerPreprocessor_1 (_ BitVec 32))) (let ((.cse38 (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (or (forall ((v_ArrVal_497 (_ BitVec 32))) (= (_ bv0 32) (select (select .cse37 v_ArrVal_497) .cse38))) (= (_ bv0 32) (select .cse36 .cse38)))))))) (not (= (_ bv0 32) (select (select .cse37 (_ bv0 32)) (_ bv8 32)))) (= (_ bv0 32) (select (select .cse37 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5))))))) (forall ((v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (forall ((|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32))) (let ((.cse40 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (or (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (v_arrayElimCell_52 (_ BitVec 32))) (let ((.cse39 (select .cse40 v_arrayElimCell_38))) (or (= (_ bv0 32) (select .cse39 (bvadd (_ bv8 32) v_arrayElimCell_52))) (= (_ bv0 32) (select .cse39 (bvadd v_DerPreprocessor_1 (_ bv8 32))))))) (not (= (_ bv0 32) (select (select .cse40 (_ bv0 32)) (_ bv8 32)))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (= (_ bv0 32) (select (select .cse40 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5))))))) (or .cse8 (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (v_arrayElimCell_52 (_ BitVec 32)) (|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32)) (v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse42 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (let ((.cse41 (select .cse42 v_arrayElimCell_38))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (= (_ bv0 32) (select .cse41 (bvadd (_ bv8 32) v_arrayElimCell_52))) (= (_ bv0 32) (select .cse41 (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (not (= (_ bv0 32) (select (select .cse42 (_ bv0 32)) (_ bv8 32)))) (= (_ bv0 32) (select (select .cse42 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5))))))))) (forall ((v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (v_arrayElimCell_52 (_ BitVec 32)) (|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32)) (v_ArrVal_497 (_ BitVec 32))) (let ((.cse45 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (let ((.cse43 (select .cse45 v_arrayElimCell_38)) (.cse44 (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (or (= (_ bv0 32) (select .cse43 (bvadd (_ bv8 32) v_arrayElimCell_52))) (= (_ bv0 32) (select .cse43 .cse44)) (not (= (_ bv0 32) (select (select .cse45 (_ bv0 32)) (_ bv8 32)))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (= (_ bv0 32) (select (select .cse45 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5)) (= (_ bv0 32) (select .cse43 (_ bv8 32))) (= (_ bv0 32) (select (select .cse45 v_ArrVal_497) .cse44)))))))) (or (and (or .cse9 (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (v_arrayElimCell_52 (_ BitVec 32)) (|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32)) (v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse47 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (let ((.cse46 (select .cse47 v_arrayElimCell_38))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (= (_ bv0 32) (select .cse46 (bvadd (_ bv8 32) v_arrayElimCell_52))) (= (_ bv0 32) (select .cse46 (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (not (= (_ bv0 32) (select (select .cse47 (_ bv0 32)) (_ bv8 32)))) (= (_ bv0 32) (select (select .cse47 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5)) (= (_ bv0 32) (select .cse46 (_ bv8 32)))))))) (forall ((v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (v_arrayElimCell_52 (_ BitVec 32)) (|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32))) (let ((.cse49 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (let ((.cse48 (select .cse49 v_arrayElimCell_38))) (or (= (_ bv0 32) (select .cse48 (bvadd (_ bv8 32) v_arrayElimCell_52))) (= (_ bv0 32) (select .cse48 (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (not (= (_ bv0 32) (select (select .cse49 (_ bv0 32)) (_ bv8 32)))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (= (_ bv0 32) (select (select .cse49 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5)) (= (_ bv0 32) (select .cse48 (_ bv8 32)))))))))) .cse8) (forall ((v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (forall ((|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32))) (let ((.cse50 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (or (not (= (_ bv0 32) (select (select .cse50 (_ bv0 32)) (_ bv8 32)))) (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (v_arrayElimCell_51 (_ BitVec 32))) (let ((.cse51 (select .cse50 v_arrayElimCell_38))) (or (= (_ bv0 32) (select .cse51 (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (= (_ bv0 32) (select .cse51 (bvadd (_ bv8 32) v_arrayElimCell_51)))))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (= (_ bv0 32) (select (select .cse50 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5))))))) (or .cse9 (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_arrayElimCell_43 (_ BitVec 32)) (v_arrayElimCell_42 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32)) (v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse53 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (let ((.cse52 (select .cse53 v_arrayElimCell_38))) (or (= (_ bv0 32) (select .cse52 (bvadd (_ bv8 32) v_arrayElimCell_43))) (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (= (_ bv0 32) (select .cse52 (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (not (= (_ bv0 32) (select (select .cse53 (_ bv0 32)) (_ bv8 32)))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (= (_ bv0 32) (select (select .cse53 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5)) (= (_ bv0 32) (select .cse52 (bvadd (_ bv8 32) v_arrayElimCell_42)))))))) (forall ((v_arrayElimArr_7 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (_ bv0 32) (select v_arrayElimArr_7 (_ bv4 32)))) (forall ((|v_ULTIMATE.start_main_~item~0#1.base_32| (_ BitVec 32))) (let ((.cse54 (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_32| v_arrayElimArr_7))) (or (not (= (_ bv0 32) (select (select .cse54 (_ bv0 32)) (_ bv8 32)))) (= |v_ULTIMATE.start_main_~item~0#1.base_32| |c_ULTIMATE.start_main_~bucket~0#1.base|) (forall ((v_arrayElimCell_38 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (v_arrayElimCell_41 (_ BitVec 32))) (let ((.cse55 (select .cse54 v_arrayElimCell_38))) (or (= (_ bv0 32) (select .cse55 (bvadd v_DerPreprocessor_1 (_ bv8 32)))) (= (_ bv0 32) (select .cse55 (bvadd (_ bv8 32) v_arrayElimCell_41)))))) (= (_ bv0 32) (select (select .cse54 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse5)))))))))) is different from true
[2024-12-02 09:09:44,883 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:09:44,883 INFO  L93              Difference]: Finished difference Result 172 states and 209 transitions.
[2024-12-02 09:09:44,885 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2024-12-02 09:09:44,886 INFO  L78                 Accepts]: Start accepts. Automaton has  has 23 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 23 states have internal predecessors, (39), 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 21
[2024-12-02 09:09:44,886 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:09:44,887 INFO  L225             Difference]: With dead ends: 172
[2024-12-02 09:09:44,887 INFO  L226             Difference]: Without dead ends: 131
[2024-12-02 09:09:44,888 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=264, Invalid=1002, Unknown=2, NotChecked=138, Total=1406
[2024-12-02 09:09:44,889 INFO  L435           NwaCegarLoop]: 29 mSDtfsCounter, 276 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 26 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 196 IncrementalHoareTripleChecker+Unchecked, 33.3s IncrementalHoareTripleChecker+Time
[2024-12-02 09:09:44,889 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 254 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 419 Invalid, 1 Unknown, 196 Unchecked, 33.3s Time]
[2024-12-02 09:09:44,890 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 131 states.
[2024-12-02 09:09:44,915 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 93.
[2024-12-02 09:09:44,916 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 93 states, 91 states have (on average 1.2197802197802199) internal successors, (111), 92 states have internal predecessors, (111), 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 09:09:44,916 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 111 transitions.
[2024-12-02 09:09:44,916 INFO  L78                 Accepts]: Start accepts. Automaton has 93 states and 111 transitions. Word has length 21
[2024-12-02 09:09:44,916 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:09:44,916 INFO  L471      AbstractCegarLoop]: Abstraction has 93 states and 111 transitions.
[2024-12-02 09:09:44,917 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 23 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 23 states have internal predecessors, (39), 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 09:09:44,917 INFO  L276                IsEmpty]: Start isEmpty. Operand 93 states and 111 transitions.
[2024-12-02 09:09:44,917 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2024-12-02 09:09:44,917 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:09:44,917 INFO  L218           NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:09:44,938 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2024-12-02 09:09:45,118 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:09:45,118 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:09:45,118 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:09:45,118 INFO  L85        PathProgramCache]: Analyzing trace with hash 1765346369, now seen corresponding path program 1 times
[2024-12-02 09:09:45,119 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 09:09:45,119 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [662385228]
[2024-12-02 09:09:45,119 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:09:45,119 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:09:45,119 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:09:45,121 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:09:45,122 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-12-02 09:09:45,262 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:09:45,265 INFO  L256         TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 31 conjuncts are in the unsatisfiable core
[2024-12-02 09:09:45,269 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:09:45,294 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 34
[2024-12-02 09:09:45,396 INFO  L349             Elim1Store]: treesize reduction 54, result has 23.9 percent of original size
[2024-12-02 09:09:45,396 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 109 treesize of output 97
[2024-12-02 09:09:45,407 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 54
[2024-12-02 09:09:45,494 INFO  L349             Elim1Store]: treesize reduction 60, result has 28.6 percent of original size
[2024-12-02 09:09:45,494 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 30
[2024-12-02 09:09:45,503 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 5 treesize of output 3
[2024-12-02 09:09:45,525 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 5 treesize of output 3
[2024-12-02 09:09:45,548 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 1
[2024-12-02 09:09:45,574 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:09:45,644 INFO  L349             Elim1Store]: treesize reduction 77, result has 8.3 percent of original size
[2024-12-02 09:09:45,644 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 45
[2024-12-02 09:09:45,902 INFO  L349             Elim1Store]: treesize reduction 13, result has 40.9 percent of original size
[2024-12-02 09:09:45,903 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 15
[2024-12-02 09:09:45,915 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 5 treesize of output 3
[2024-12-02 09:09:45,932 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:09:45,968 INFO  L349             Elim1Store]: treesize reduction 25, result has 16.7 percent of original size
[2024-12-02 09:09:45,969 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 51
[2024-12-02 09:09:46,067 INFO  L349             Elim1Store]: treesize reduction 12, result has 52.0 percent of original size
[2024-12-02 09:09:46,067 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 26
[2024-12-02 09:09:46,246 INFO  L349             Elim1Store]: treesize reduction 25, result has 16.7 percent of original size
[2024-12-02 09:09:46,246 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 48
[2024-12-02 09:09:46,260 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11
[2024-12-02 09:09:46,658 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3
[2024-12-02 09:09:46,851 INFO  L349             Elim1Store]: treesize reduction 11, result has 8.3 percent of original size
[2024-12-02 09:09:46,852 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 23
[2024-12-02 09:09:46,899 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:09:46,899 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 09:09:47,142 WARN  L851   $PredicateComparison]: unable to prove that (forall ((v_ArrVal_583 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_584 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (_ bv0 32) (select (let ((.cse0 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_583))) (select .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|))) (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_584) |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|))))) is different from false
[2024-12-02 09:09:47,177 WARN  L851   $PredicateComparison]: unable to prove that (forall ((v_ArrVal_583 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_584 (Array (_ BitVec 32) (_ BitVec 32))) (|v_ULTIMATE.start_main_~item~0#1.base_34| (_ BitVec 32))) (or (not (= (_ bv0 32) (select (let ((.cse0 (store |c_#memory_$Pointer$#1.base| |v_ULTIMATE.start_main_~item~0#1.base_34| v_ArrVal_583))) (select .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|))) (select (select (store |c_#memory_$Pointer$#1.offset| |v_ULTIMATE.start_main_~item~0#1.base_34| v_ArrVal_584) |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|)))) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~item~0#1.base_34|))))) is different from false
[2024-12-02 09:09:47,234 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:09:47,235 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 09:09:47,235 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662385228]
[2024-12-02 09:09:47,235 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [662385228] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 09:09:47,235 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-02 09:09:47,235 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13
[2024-12-02 09:09:47,235 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211971842]
[2024-12-02 09:09:47,235 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-02 09:09:47,235 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-12-02 09:09:47,236 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 09:09:47,236 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-12-02 09:09:47,236 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=86, Unknown=2, NotChecked=38, Total=156
[2024-12-02 09:09:47,236 INFO  L87              Difference]: Start difference. First operand 93 states and 111 transitions. Second operand  has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 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 09:09:48,648 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:09:50,567 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:09:54,519 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-12-02 09:09:56,468 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:09:58,263 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:09:58,263 INFO  L93              Difference]: Finished difference Result 145 states and 172 transitions.
[2024-12-02 09:09:58,264 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2024-12-02 09:09:58,264 INFO  L78                 Accepts]: Start accepts. Automaton has  has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22
[2024-12-02 09:09:58,264 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:09:58,265 INFO  L225             Difference]: With dead ends: 145
[2024-12-02 09:09:58,265 INFO  L226             Difference]: Without dead ends: 143
[2024-12-02 09:09:58,265 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=80, Invalid=198, Unknown=2, NotChecked=62, Total=342
[2024-12-02 09:09:58,265 INFO  L435           NwaCegarLoop]: 33 mSDtfsCounter, 180 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 202 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time
[2024-12-02 09:09:58,266 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 224 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 180 Invalid, 0 Unknown, 202 Unchecked, 10.1s Time]
[2024-12-02 09:09:58,266 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 143 states.
[2024-12-02 09:09:58,300 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 94.
[2024-12-02 09:09:58,300 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 94 states, 92 states have (on average 1.2173913043478262) internal successors, (112), 93 states have internal predecessors, (112), 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 09:09:58,301 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 112 transitions.
[2024-12-02 09:09:58,301 INFO  L78                 Accepts]: Start accepts. Automaton has 94 states and 112 transitions. Word has length 22
[2024-12-02 09:09:58,301 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:09:58,301 INFO  L471      AbstractCegarLoop]: Abstraction has 94 states and 112 transitions.
[2024-12-02 09:09:58,301 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 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 09:09:58,301 INFO  L276                IsEmpty]: Start isEmpty. Operand 94 states and 112 transitions.
[2024-12-02 09:09:58,302 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2024-12-02 09:09:58,302 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:09:58,302 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:09:58,312 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-12-02 09:09:58,502 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:09:58,503 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:09:58,503 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:09:58,503 INFO  L85        PathProgramCache]: Analyzing trace with hash -1392029665, now seen corresponding path program 2 times
[2024-12-02 09:09:58,503 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 09:09:58,503 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [13585573]
[2024-12-02 09:09:58,503 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 09:09:58,503 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:09:58,503 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:09:58,505 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:09:58,506 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-12-02 09:10:04,506 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 09:10:04,506 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 09:10:04,514 INFO  L256         TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 39 conjuncts are in the unsatisfiable core
[2024-12-02 09:10:04,519 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:10:04,560 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 36
[2024-12-02 09:10:04,589 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 30
[2024-12-02 09:10:04,595 WARN  L214             Elim1Store]: Array PQE input equivalent to false
[2024-12-02 09:10:04,607 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 48
[2024-12-02 09:10:04,700 INFO  L349             Elim1Store]: treesize reduction 70, result has 6.7 percent of original size
[2024-12-02 09:10:04,700 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 112 treesize of output 97
[2024-12-02 09:10:04,711 INFO  L349             Elim1Store]: treesize reduction 21, result has 4.5 percent of original size
[2024-12-02 09:10:04,711 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 43
[2024-12-02 09:10:04,739 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 10 treesize of output 8
[2024-12-02 09:10:04,767 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15
[2024-12-02 09:10:04,793 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:10:04,794 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 50
[2024-12-02 09:10:04,807 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15
[2024-12-02 09:10:04,861 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 23
[2024-12-02 09:10:05,471 INFO  L349             Elim1Store]: treesize reduction 25, result has 21.9 percent of original size
[2024-12-02 09:10:05,471 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 92 treesize of output 67
[2024-12-02 09:10:05,493 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:10:05,495 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 67
[2024-12-02 09:10:06,422 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:10:06,424 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 67
[2024-12-02 09:10:06,504 INFO  L349             Elim1Store]: treesize reduction 48, result has 23.8 percent of original size
[2024-12-02 09:10:06,505 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 106 treesize of output 80
[2024-12-02 09:10:07,597 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:10:07,597 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 09:10:13,915 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:10:13,915 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 09:10:13,915 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13585573]
[2024-12-02 09:10:13,915 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [13585573] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 09:10:13,915 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-02 09:10:13,915 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15
[2024-12-02 09:10:13,915 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823837017]
[2024-12-02 09:10:13,915 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-02 09:10:13,916 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2024-12-02 09:10:13,916 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 09:10:13,916 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2024-12-02 09:10:13,916 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=167, Unknown=1, NotChecked=0, Total=210
[2024-12-02 09:10:13,917 INFO  L87              Difference]: Start difference. First operand 94 states and 112 transitions. Second operand  has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 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 09:10:17,719 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:10:21,733 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:10:25,744 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:10:28,958 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:10:32,975 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:10:36,139 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:10:40,850 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:10:40,850 INFO  L93              Difference]: Finished difference Result 118 states and 138 transitions.
[2024-12-02 09:10:40,851 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2024-12-02 09:10:40,851 INFO  L78                 Accepts]: Start accepts. Automaton has  has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 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 24
[2024-12-02 09:10:40,851 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:10:40,851 INFO  L225             Difference]: With dead ends: 118
[2024-12-02 09:10:40,851 INFO  L226             Difference]: Without dead ends: 105
[2024-12-02 09:10:40,852 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=77, Invalid=302, Unknown=1, NotChecked=0, Total=380
[2024-12-02 09:10:40,852 INFO  L435           NwaCegarLoop]: 41 mSDtfsCounter, 34 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time
[2024-12-02 09:10:40,852 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 220 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 208 Invalid, 3 Unknown, 0 Unchecked, 26.0s Time]
[2024-12-02 09:10:40,853 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 105 states.
[2024-12-02 09:10:40,880 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 100.
[2024-12-02 09:10:40,880 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 100 states, 98 states have (on average 1.2040816326530612) internal successors, (118), 99 states have internal predecessors, (118), 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 09:10:40,880 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 118 transitions.
[2024-12-02 09:10:40,880 INFO  L78                 Accepts]: Start accepts. Automaton has 100 states and 118 transitions. Word has length 24
[2024-12-02 09:10:40,881 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:10:40,881 INFO  L471      AbstractCegarLoop]: Abstraction has 100 states and 118 transitions.
[2024-12-02 09:10:40,881 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 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 09:10:40,881 INFO  L276                IsEmpty]: Start isEmpty. Operand 100 states and 118 transitions.
[2024-12-02 09:10:40,881 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2024-12-02 09:10:40,881 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:10:40,881 INFO  L218           NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:10:40,898 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2024-12-02 09:10:41,082 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:10:41,082 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:10:41,083 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:10:41,083 INFO  L85        PathProgramCache]: Analyzing trace with hash -505911950, now seen corresponding path program 2 times
[2024-12-02 09:10:41,083 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 09:10:41,083 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [565288086]
[2024-12-02 09:10:41,083 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 09:10:41,083 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:10:41,083 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:10:41,085 INFO  L229       MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:10:41,086 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-12-02 09:10:57,779 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 09:10:57,780 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 09:10:57,787 INFO  L256         TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 40 conjuncts are in the unsatisfiable core
[2024-12-02 09:10:57,793 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:10:57,831 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 34
[2024-12-02 09:10:57,980 INFO  L349             Elim1Store]: treesize reduction 54, result has 23.9 percent of original size
[2024-12-02 09:10:57,980 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 146 treesize of output 128
[2024-12-02 09:10:58,009 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:10:58,072 INFO  L349             Elim1Store]: treesize reduction 67, result has 9.5 percent of original size
[2024-12-02 09:10:58,073 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 60
[2024-12-02 09:10:58,135 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 58
[2024-12-02 09:10:58,150 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 15
[2024-12-02 09:10:58,184 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 1
[2024-12-02 09:10:58,197 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 54
[2024-12-02 09:10:58,210 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 11
[2024-12-02 09:10:58,542 INFO  L349             Elim1Store]: treesize reduction 13, result has 40.9 percent of original size
[2024-12-02 09:10:58,543 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 15
[2024-12-02 09:10:58,563 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 5 treesize of output 3
[2024-12-02 09:10:58,576 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:10:58,620 INFO  L349             Elim1Store]: treesize reduction 25, result has 16.7 percent of original size
[2024-12-02 09:10:58,620 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 70
[2024-12-02 09:10:58,734 INFO  L349             Elim1Store]: treesize reduction 18, result has 58.1 percent of original size
[2024-12-02 09:10:58,735 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 43
[2024-12-02 09:10:58,804 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15
[2024-12-02 09:10:59,077 INFO  L349             Elim1Store]: treesize reduction 25, result has 16.7 percent of original size
[2024-12-02 09:10:59,077 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 64
[2024-12-02 09:10:59,101 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24
[2024-12-02 09:10:59,197 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11
[2024-12-02 09:11:00,258 INFO  L349             Elim1Store]: treesize reduction 26, result has 3.7 percent of original size
[2024-12-02 09:11:00,258 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 84 treesize of output 37
[2024-12-02 09:11:00,272 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3
[2024-12-02 09:11:00,428 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-12-02 09:11:00,429 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 09:11:01,014 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-02 09:11:01,014 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 35
[2024-12-02 09:11:01,049 WARN  L851   $PredicateComparison]: unable to prove that (forall ((v_ArrVal_772 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_773 (Array (_ BitVec 32) (_ BitVec 32))) (|ULTIMATE.start_main_~item~0#1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_main_~item~0#1.base_41| (_ BitVec 32)) (v_arrayElimArr_16 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~item~0#1.base_41|))) (not (= (_ bv1 32) (select v_arrayElimArr_16 (bvadd (_ bv4 32) |ULTIMATE.start_main_~item~0#1.offset|)))) (= (_ bv1 32) (select (select (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_41| v_arrayElimArr_16) (select (select (store |c_#memory_$Pointer$#1.base| |v_ULTIMATE.start_main_~item~0#1.base_41| v_ArrVal_773) |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (bvadd (_ bv8 32) (select (select (store |c_#memory_$Pointer$#1.offset| |v_ULTIMATE.start_main_~item~0#1.base_41| v_ArrVal_772) |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|)))))) is different from false
[2024-12-02 09:11:01,138 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-12-02 09:11:01,138 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 09:11:01,138 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565288086]
[2024-12-02 09:11:01,138 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [565288086] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 09:11:01,138 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-02 09:11:01,139 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14
[2024-12-02 09:11:01,139 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840830502]
[2024-12-02 09:11:01,139 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-02 09:11:01,139 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-12-02 09:11:01,139 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 09:11:01,140 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-12-02 09:11:01,140 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=122, Unknown=6, NotChecked=22, Total=182
[2024-12-02 09:11:01,140 INFO  L87              Difference]: Start difference. First operand 100 states and 118 transitions. Second operand  has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 14 states have internal predecessors, (39), 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 09:11:04,136 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:11:07,375 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:11:10,936 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:11:14,205 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:11:18,218 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-12-02 09:11:21,001 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:11:22,891 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:11:26,073 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:11:26,073 INFO  L93              Difference]: Finished difference Result 182 states and 218 transitions.
[2024-12-02 09:11:26,074 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-12-02 09:11:26,074 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 14 states have internal predecessors, (39), 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 25
[2024-12-02 09:11:26,075 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:11:26,075 INFO  L225             Difference]: With dead ends: 182
[2024-12-02 09:11:26,075 INFO  L226             Difference]: Without dead ends: 141
[2024-12-02 09:11:26,076 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=81, Invalid=221, Unknown=8, NotChecked=32, Total=342
[2024-12-02 09:11:26,076 INFO  L435           NwaCegarLoop]: 39 mSDtfsCounter, 104 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 74 IncrementalHoareTripleChecker+Unchecked, 23.6s IncrementalHoareTripleChecker+Time
[2024-12-02 09:11:26,077 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 274 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 286 Invalid, 1 Unknown, 74 Unchecked, 23.6s Time]
[2024-12-02 09:11:26,077 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 141 states.
[2024-12-02 09:11:26,121 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 110.
[2024-12-02 09:11:26,121 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 110 states, 108 states have (on average 1.1944444444444444) internal successors, (129), 109 states have internal predecessors, (129), 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 09:11:26,122 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions.
[2024-12-02 09:11:26,122 INFO  L78                 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 25
[2024-12-02 09:11:26,122 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:11:26,122 INFO  L471      AbstractCegarLoop]: Abstraction has 110 states and 129 transitions.
[2024-12-02 09:11:26,122 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 14 states have internal predecessors, (39), 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 09:11:26,122 INFO  L276                IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions.
[2024-12-02 09:11:26,123 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2024-12-02 09:11:26,123 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:11:26,123 INFO  L218           NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:11:26,142 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0
[2024-12-02 09:11:26,323 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:11:26,323 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:11:26,324 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:11:26,324 INFO  L85        PathProgramCache]: Analyzing trace with hash 2100111604, now seen corresponding path program 1 times
[2024-12-02 09:11:26,324 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 09:11:26,324 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2117682319]
[2024-12-02 09:11:26,324 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:11:26,324 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:11:26,324 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:11:26,326 INFO  L229       MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:11:26,327 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-12-02 09:11:26,468 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:11:26,470 INFO  L256         TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 46 conjuncts are in the unsatisfiable core
[2024-12-02 09:11:26,476 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:11:26,514 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 32
[2024-12-02 09:11:26,553 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 32
[2024-12-02 09:11:26,748 INFO  L349             Elim1Store]: treesize reduction 54, result has 23.9 percent of original size
[2024-12-02 09:11:26,748 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 93 treesize of output 83
[2024-12-02 09:11:26,881 INFO  L349             Elim1Store]: treesize reduction 132, result has 12.6 percent of original size
[2024-12-02 09:11:26,881 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 83 treesize of output 76
[2024-12-02 09:11:26,950 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 1
[2024-12-02 09:11:26,968 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:11:26,969 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 26
[2024-12-02 09:11:27,005 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11
[2024-12-02 09:11:27,033 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 28
[2024-12-02 09:11:27,056 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 15
[2024-12-02 09:11:27,413 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:11:27,454 INFO  L349             Elim1Store]: treesize reduction 25, result has 16.7 percent of original size
[2024-12-02 09:11:27,454 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 71
[2024-12-02 09:11:27,490 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:11:27,571 INFO  L349             Elim1Store]: treesize reduction 18, result has 58.1 percent of original size
[2024-12-02 09:11:27,571 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 43
[2024-12-02 09:11:27,614 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:11:27,615 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25
[2024-12-02 09:11:27,657 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 19
[2024-12-02 09:11:27,932 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28
[2024-12-02 09:11:27,989 INFO  L349             Elim1Store]: treesize reduction 25, result has 16.7 percent of original size
[2024-12-02 09:11:27,989 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 90 treesize of output 65
[2024-12-02 09:11:28,048 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:11:28,049 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25
[2024-12-02 09:11:29,776 INFO  L349             Elim1Store]: treesize reduction 4, result has 50.0 percent of original size
[2024-12-02 09:11:29,776 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 93 treesize of output 44
[2024-12-02 09:11:29,808 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7
[2024-12-02 09:11:29,964 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:11:29,964 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 09:11:30,506 WARN  L851   $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~item~0#1.offset| (_ BitVec 32)) (v_ArrVal_864 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_866 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv2 32) (let ((.cse3 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_864)) (.cse0 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_866))) (let ((.cse1 (select (select .cse0 |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (.cse2 (select (select .cse3 |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|))) (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_main_~item~0#1.base| (store (select |c_#memory_int#1| |c_ULTIMATE.start_main_~item~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~item~0#1.offset|) (_ bv2 32))) (select (select .cse0 .cse1) .cse2)) (bvadd (select (select .cse3 .cse1) .cse2) (_ bv8 32))))))) is different from false
[2024-12-02 09:11:30,562 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-02 09:11:30,562 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 63
[2024-12-02 09:11:30,603 WARN  L851   $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~item~0#1.offset| (_ BitVec 32)) (v_arrayElimArr_19 (Array (_ BitVec 32) (_ BitVec 32))) (|v_ULTIMATE.start_main_~item~0#1.base_43| (_ BitVec 32)) (v_ArrVal_864 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_866 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= (_ bv2 32) (let ((.cse3 (store |c_#memory_$Pointer$#1.offset| |v_ULTIMATE.start_main_~item~0#1.base_43| v_ArrVal_864)) (.cse0 (store |c_#memory_$Pointer$#1.base| |v_ULTIMATE.start_main_~item~0#1.base_43| v_ArrVal_866))) (let ((.cse1 (select (select .cse0 |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (.cse2 (select (select .cse3 |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|))) (select (select (store |c_#memory_int#1| |v_ULTIMATE.start_main_~item~0#1.base_43| v_arrayElimArr_19) (select (select .cse0 .cse1) .cse2)) (bvadd (_ bv8 32) (select (select .cse3 .cse1) .cse2)))))) (not (= (_ bv2 32) (select v_arrayElimArr_19 (bvadd (_ bv4 32) |ULTIMATE.start_main_~item~0#1.offset|)))) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~item~0#1.base_43|))))) is different from false
[2024-12-02 09:11:30,699 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:11:30,699 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 09:11:30,699 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117682319]
[2024-12-02 09:11:30,699 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117682319] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 09:11:30,699 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-02 09:11:30,700 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16
[2024-12-02 09:11:30,700 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378678368]
[2024-12-02 09:11:30,700 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-02 09:11:30,700 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-12-02 09:11:30,700 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 09:11:30,701 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-12-02 09:11:30,701 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=153, Unknown=2, NotChecked=50, Total=240
[2024-12-02 09:11:30,701 INFO  L87              Difference]: Start difference. First operand 110 states and 129 transitions. Second operand  has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 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 09:11:34,712 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:11:37,180 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:11:39,236 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:11:43,247 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:11:45,016 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:11:47,931 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:11:51,280 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:11:54,263 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:11:58,280 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:12:00,023 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:12:04,307 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:12:04,307 INFO  L93              Difference]: Finished difference Result 179 states and 214 transitions.
[2024-12-02 09:12:04,308 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-12-02 09:12:04,308 INFO  L78                 Accepts]: Start accepts. Automaton has  has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 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 25
[2024-12-02 09:12:04,308 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:12:04,309 INFO  L225             Difference]: With dead ends: 179
[2024-12-02 09:12:04,309 INFO  L226             Difference]: Without dead ends: 139
[2024-12-02 09:12:04,309 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=89, Invalid=297, Unknown=2, NotChecked=74, Total=462
[2024-12-02 09:12:04,310 INFO  L435           NwaCegarLoop]: 42 mSDtfsCounter, 84 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 165 IncrementalHoareTripleChecker+Unchecked, 31.7s IncrementalHoareTripleChecker+Time
[2024-12-02 09:12:04,310 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 354 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 416 Invalid, 3 Unknown, 165 Unchecked, 31.7s Time]
[2024-12-02 09:12:04,310 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 139 states.
[2024-12-02 09:12:04,348 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 112.
[2024-12-02 09:12:04,348 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 112 states, 110 states have (on average 1.2) internal successors, (132), 111 states have internal predecessors, (132), 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 09:12:04,348 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 132 transitions.
[2024-12-02 09:12:04,349 INFO  L78                 Accepts]: Start accepts. Automaton has 112 states and 132 transitions. Word has length 25
[2024-12-02 09:12:04,349 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:12:04,349 INFO  L471      AbstractCegarLoop]: Abstraction has 112 states and 132 transitions.
[2024-12-02 09:12:04,349 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 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 09:12:04,349 INFO  L276                IsEmpty]: Start isEmpty. Operand 112 states and 132 transitions.
[2024-12-02 09:12:04,349 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2024-12-02 09:12:04,349 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:12:04,349 INFO  L218           NwaCegarLoop]: trace histogram [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]
[2024-12-02 09:12:04,361 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0
[2024-12-02 09:12:04,550 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:12:04,550 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:12:04,550 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:12:04,550 INFO  L85        PathProgramCache]: Analyzing trace with hash 1003860032, now seen corresponding path program 1 times
[2024-12-02 09:12:04,551 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 09:12:04,551 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1152040359]
[2024-12-02 09:12:04,551 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:12:04,551 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:12:04,551 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:12:04,553 INFO  L229       MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:12:04,554 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2024-12-02 09:12:04,718 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:12:04,720 INFO  L256         TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 32 conjuncts are in the unsatisfiable core
[2024-12-02 09:12:04,724 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:12:04,775 INFO  L349             Elim1Store]: treesize reduction 17, result has 29.2 percent of original size
[2024-12-02 09:12:04,776 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 22
[2024-12-02 09:12:04,855 INFO  L349             Elim1Store]: treesize reduction 37, result has 15.9 percent of original size
[2024-12-02 09:12:04,855 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 22
[2024-12-02 09:12:05,259 INFO  L349             Elim1Store]: treesize reduction 6, result has 90.2 percent of original size
[2024-12-02 09:12:05,259 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 85
[2024-12-02 09:12:05,518 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2024-12-02 09:12:06,221 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7
[2024-12-02 09:12:06,234 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25
[2024-12-02 09:12:06,260 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1
[2024-12-02 09:12:06,521 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3
[2024-12-02 09:12:06,538 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25
[2024-12-02 09:12:06,546 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 27 treesize of output 15
[2024-12-02 09:12:06,841 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:12:06,841 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 09:12:07,475 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 108 treesize of output 102
[2024-12-02 09:12:07,498 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 170 treesize of output 158
[2024-12-02 09:12:08,039 WARN  L851   $PredicateComparison]: unable to prove that (let ((.cse5 (bvadd |c_ULTIMATE.start_main_~item~0#1.offset| (_ bv4 32))) (.cse10 (bvadd |c_ULTIMATE.start_main_~bucket~0#1.offset| (_ bv8 32))) (.cse9 (bvadd |c_ULTIMATE.start_main_~bucket~0#1.offset| (_ bv4 32))) (.cse11 (select |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base|)) (.cse12 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~bcki~0#1.offset|))) (let ((.cse1 (and (forall ((v_ArrVal_948 (_ BitVec 32)) (v_ArrVal_953 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse17 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base| (store .cse11 .cse12 v_ArrVal_948)))) (or (forall ((v_arrayElimCell_153 (_ BitVec 32)) (v_arrayElimCell_152 (_ BitVec 32))) (= (select (select (store .cse17 |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_953) v_arrayElimCell_152) (bvadd v_arrayElimCell_153 (_ bv4 32))) (select v_ArrVal_953 .cse10))) (not (= v_ArrVal_953 (store (select .cse17 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse9 (select v_ArrVal_953 .cse9))))))) (forall ((v_ArrVal_948 (_ BitVec 32)) (v_ArrVal_953 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse20 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base| (store .cse11 .cse12 v_ArrVal_948)))) (or (forall ((v_arrayElimCell_153 (_ BitVec 32)) (v_arrayElimCell_152 (_ BitVec 32))) (let ((.cse18 (select (store .cse20 |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_953) v_arrayElimCell_152)) (.cse19 (select v_ArrVal_953 .cse10))) (or (= (select .cse18 .cse5) .cse19) (= (select .cse18 (bvadd v_arrayElimCell_153 (_ bv4 32))) .cse19)))) (not (= v_ArrVal_953 (store (select .cse20 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse9 (select v_ArrVal_953 .cse9))))))))) (.cse3 (= |c_ULTIMATE.start_main_~bucket~0#1.offset| |c_ULTIMATE.start_main_~bcki~0#1.offset|)) (.cse2 (forall ((v_ArrVal_948 (_ BitVec 32)) (v_arrayElimCell_153 (_ BitVec 32)) (v_ArrVal_953 (Array (_ BitVec 32) (_ BitVec 32))) (v_arrayElimCell_152 (_ BitVec 32))) (let ((.cse16 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base| (store .cse11 .cse12 v_ArrVal_948)))) (let ((.cse14 (store .cse16 |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_953)) (.cse15 (select v_ArrVal_953 .cse10))) (or (= (select (select .cse14 v_arrayElimCell_152) (bvadd v_arrayElimCell_153 (_ bv4 32))) .cse15) (= (select (select .cse14 |c_ULTIMATE.start_main_~item~0#1.base|) .cse5) .cse15) (not (= v_ArrVal_953 (store (select .cse16 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse9 (select v_ArrVal_953 .cse9))))))))) (.cse0 (= |c_ULTIMATE.start_main_~bcki~0#1.base| |c_ULTIMATE.start_main_~bucket~0#1.base|))) (and (or .cse0 .cse1) (or .cse2 .cse3) (forall ((v_ArrVal_948 (_ BitVec 32)) (v_ArrVal_953 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse8 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base| (store .cse11 .cse12 v_ArrVal_948)))) (let ((.cse7 (store .cse8 |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_953)) (.cse6 (select v_ArrVal_953 .cse10))) (or (forall ((v_arrayElimCell_153 (_ BitVec 32)) (v_arrayElimCell_152 (_ BitVec 32))) (let ((.cse4 (select .cse7 v_arrayElimCell_152))) (or (= (select .cse4 .cse5) .cse6) (= (select .cse4 (bvadd v_arrayElimCell_153 (_ bv4 32))) .cse6)))) (= (select (select .cse7 |c_ULTIMATE.start_main_~item~0#1.base|) .cse5) .cse6) (not (= v_ArrVal_953 (store (select .cse8 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse9 (select v_ArrVal_953 .cse9)))))))) (or .cse3 .cse1) (or (not .cse0) (not .cse3) (forall ((v_ArrVal_948 (_ BitVec 32)) (v_ArrVal_953 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse13 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base| (store .cse11 .cse12 v_ArrVal_948)))) (or (= (select (select (store .cse13 |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_953) |c_ULTIMATE.start_main_~item~0#1.base|) .cse5) (select v_ArrVal_953 .cse10)) (not (= v_ArrVal_953 (store (select .cse13 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse9 (select v_ArrVal_953 .cse9)))))))) (or .cse2 .cse0)))) is different from false
[2024-12-02 09:12:19,959 INFO  L349             Elim1Store]: treesize reduction 31, result has 40.4 percent of original size
[2024-12-02 09:12:19,959 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 190 treesize of output 144
[2024-12-02 09:12:20,097 INFO  L349             Elim1Store]: treesize reduction 12, result has 52.0 percent of original size
[2024-12-02 09:12:20,097 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 208 treesize of output 204
[2024-12-02 09:12:20,810 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-02 09:12:20,810 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 85 treesize of output 97
[2024-12-02 09:12:31,049 INFO  L349             Elim1Store]: treesize reduction 5, result has 96.2 percent of original size
[2024-12-02 09:12:31,050 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 297 treesize of output 302
[2024-12-02 09:12:31,725 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:12:31,725 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 09:12:31,725 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152040359]
[2024-12-02 09:12:31,725 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152040359] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 09:12:31,726 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-02 09:12:31,726 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24
[2024-12-02 09:12:31,726 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282178461]
[2024-12-02 09:12:31,726 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-02 09:12:31,726 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 24 states
[2024-12-02 09:12:31,726 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 09:12:31,726 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants.
[2024-12-02 09:12:31,726 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=430, Unknown=2, NotChecked=42, Total=552
[2024-12-02 09:12:31,727 INFO  L87              Difference]: Start difference. First operand 112 states and 132 transitions. Second operand  has 24 states, 24 states have (on average 2.1666666666666665) internal successors, (52), 24 states have internal predecessors, (52), 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 09:12:35,738 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-12-02 09:12:37,503 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:12:40,558 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:12:42,634 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:12:45,289 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:12:48,100 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:12:51,162 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-12-02 09:12:54,670 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:12:56,766 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:12:59,452 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:13:03,466 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-12-02 09:13:07,484 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-12-02 09:13:11,423 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:13:13,607 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:13:17,620 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-12-02 09:13:29,644 WARN  L851   $PredicateComparison]: unable to prove that (let ((.cse7 (bvadd |c_ULTIMATE.start_main_~item~0#1.offset| (_ bv4 32))) (.cse15 (bvadd |c_ULTIMATE.start_main_~bucket~0#1.offset| (_ bv4 32))) (.cse14 (bvadd |c_ULTIMATE.start_main_~bucket~0#1.offset| (_ bv8 32))) (.cse8 (select |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base|)) (.cse16 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~bcki~0#1.offset|))) (let ((.cse10 (forall ((v_ArrVal_948 (_ BitVec 32)) (v_arrayElimCell_153 (_ BitVec 32)) (v_ArrVal_953 (Array (_ BitVec 32) (_ BitVec 32))) (v_arrayElimCell_152 (_ BitVec 32))) (let ((.cse28 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base| (store .cse8 .cse16 v_ArrVal_948)))) (let ((.cse26 (store .cse28 |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_953)) (.cse27 (select v_ArrVal_953 .cse14))) (or (= (select (select .cse26 v_arrayElimCell_152) (bvadd v_arrayElimCell_153 (_ bv4 32))) .cse27) (= (select (select .cse26 |c_ULTIMATE.start_main_~item~0#1.base|) .cse7) .cse27) (not (= v_ArrVal_953 (store (select .cse28 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse15 (select v_ArrVal_953 .cse15))))))))) (.cse12 (= |c_ULTIMATE.start_main_~bucket~0#1.offset| |c_ULTIMATE.start_main_~bcki~0#1.offset|)) (.cse11 (= |c_ULTIMATE.start_main_~bcki~0#1.base| |c_ULTIMATE.start_main_~bucket~0#1.base|)) (.cse17 (and (forall ((v_ArrVal_948 (_ BitVec 32)) (v_ArrVal_953 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse22 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base| (store .cse8 .cse16 v_ArrVal_948)))) (or (forall ((v_arrayElimCell_153 (_ BitVec 32)) (v_arrayElimCell_152 (_ BitVec 32))) (= (select (select (store .cse22 |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_953) v_arrayElimCell_152) (bvadd v_arrayElimCell_153 (_ bv4 32))) (select v_ArrVal_953 .cse14))) (not (= v_ArrVal_953 (store (select .cse22 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse15 (select v_ArrVal_953 .cse15))))))) (forall ((v_ArrVal_948 (_ BitVec 32)) (v_ArrVal_953 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse25 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base| (store .cse8 .cse16 v_ArrVal_948)))) (or (forall ((v_arrayElimCell_153 (_ BitVec 32)) (v_arrayElimCell_152 (_ BitVec 32))) (let ((.cse23 (select (store .cse25 |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_953) v_arrayElimCell_152)) (.cse24 (select v_ArrVal_953 .cse14))) (or (= (select .cse23 .cse7) .cse24) (= (select .cse23 (bvadd v_arrayElimCell_153 (_ bv4 32))) .cse24)))) (not (= v_ArrVal_953 (store (select .cse25 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse15 (select v_ArrVal_953 .cse15)))))))))) (let ((.cse0 (or .cse11 .cse17)) (.cse2 (or .cse10 .cse12)) (.cse3 (forall ((v_ArrVal_948 (_ BitVec 32)) (v_ArrVal_953 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse21 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base| (store .cse8 .cse16 v_ArrVal_948)))) (let ((.cse20 (store .cse21 |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_953)) (.cse19 (select v_ArrVal_953 .cse14))) (or (forall ((v_arrayElimCell_153 (_ BitVec 32)) (v_arrayElimCell_152 (_ BitVec 32))) (let ((.cse18 (select .cse20 v_arrayElimCell_152))) (or (= (select .cse18 .cse7) .cse19) (= (select .cse18 (bvadd v_arrayElimCell_153 (_ bv4 32))) .cse19)))) (= (select (select .cse20 |c_ULTIMATE.start_main_~item~0#1.base|) .cse7) .cse19) (not (= v_ArrVal_953 (store (select .cse21 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse15 (select v_ArrVal_953 .cse15))))))))) (.cse4 (or .cse12 .cse17)) (.cse5 (or (not .cse11) (not .cse12) (forall ((v_ArrVal_948 (_ BitVec 32)) (v_ArrVal_953 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse13 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base| (store .cse8 .cse16 v_ArrVal_948)))) (or (= (select (select (store .cse13 |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_953) |c_ULTIMATE.start_main_~item~0#1.base|) .cse7) (select v_ArrVal_953 .cse14)) (not (= v_ArrVal_953 (store (select .cse13 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse15 (select v_ArrVal_953 .cse15))))))))) (.cse6 (or .cse10 .cse11))) (let ((.cse1 (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6))) (and .cse0 (or (not (= |c_ULTIMATE.start_main_#t~mem10#1| |c_ULTIMATE.start_main_#t~mem11#1|)) .cse1) (= |c_ULTIMATE.start_main_~item~0#1.offset| (_ bv0 32)) .cse2 .cse3 (= |c_ULTIMATE.start_main_~bucket~0#1.offset| (_ bv0 32)) (not (= |c_ULTIMATE.start_main_~bucket~0#1.base| |c_ULTIMATE.start_main_~item~0#1.base|)) .cse4 .cse5 .cse6 (or .cse1 (not (= (select (select |c_#memory_int#1| |c_ULTIMATE.start_main_~item~0#1.base|) .cse7) (select .cse8 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~bcki~0#1.offset|))))) (let ((.cse9 (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| |c_ULTIMATE.start_main_~bucket~0#1.base|))))) (or (and .cse9 (exists ((|v_ULTIMATE.start_main_~bcki~0#1.base_75| (_ BitVec 32))) (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~bcki~0#1.base_75|))))) (and .cse9 (exists ((|v_ULTIMATE.start_main_#t~malloc2#1.base_34| (_ BitVec 32))) (and (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_#t~malloc2#1.base_34|))) (not (= |v_ULTIMATE.start_main_#t~malloc2#1.base_34| |c_ULTIMATE.start_main_~bucket~0#1.base|)))))))))))) is different from false
[2024-12-02 09:13:34,208 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1]
[2024-12-02 09:13:45,124 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:13:45,124 INFO  L93              Difference]: Finished difference Result 274 states and 330 transitions.
[2024-12-02 09:13:45,128 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. 
[2024-12-02 09:13:45,129 INFO  L78                 Accepts]: Start accepts. Automaton has  has 24 states, 24 states have (on average 2.1666666666666665) internal successors, (52), 24 states have internal predecessors, (52), 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 27
[2024-12-02 09:13:45,129 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:13:45,129 INFO  L225             Difference]: With dead ends: 274
[2024-12-02 09:13:45,130 INFO  L226             Difference]: Without dead ends: 233
[2024-12-02 09:13:45,130 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=264, Invalid=1073, Unknown=3, NotChecked=142, Total=1482
[2024-12-02 09:13:45,130 INFO  L435           NwaCegarLoop]: 36 mSDtfsCounter, 251 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 9 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 246 IncrementalHoareTripleChecker+Unchecked, 66.8s IncrementalHoareTripleChecker+Time
[2024-12-02 09:13:45,131 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 444 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 599 Invalid, 8 Unknown, 246 Unchecked, 66.8s Time]
[2024-12-02 09:13:45,131 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 233 states.
[2024-12-02 09:13:45,190 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 171.
[2024-12-02 09:13:45,190 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 171 states, 169 states have (on average 1.2189349112426036) internal successors, (206), 170 states have internal predecessors, (206), 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 09:13:45,191 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 206 transitions.
[2024-12-02 09:13:45,191 INFO  L78                 Accepts]: Start accepts. Automaton has 171 states and 206 transitions. Word has length 27
[2024-12-02 09:13:45,191 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:13:45,191 INFO  L471      AbstractCegarLoop]: Abstraction has 171 states and 206 transitions.
[2024-12-02 09:13:45,191 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 24 states, 24 states have (on average 2.1666666666666665) internal successors, (52), 24 states have internal predecessors, (52), 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 09:13:45,191 INFO  L276                IsEmpty]: Start isEmpty. Operand 171 states and 206 transitions.
[2024-12-02 09:13:45,191 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2024-12-02 09:13:45,191 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:13:45,192 INFO  L218           NwaCegarLoop]: trace histogram [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, 1]
[2024-12-02 09:13:45,199 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0
[2024-12-02 09:13:45,392 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:13:45,392 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:13:45,393 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:13:45,393 INFO  L85        PathProgramCache]: Analyzing trace with hash 360574330, now seen corresponding path program 1 times
[2024-12-02 09:13:45,393 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 09:13:45,393 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2039800593]
[2024-12-02 09:13:45,393 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:13:45,393 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:13:45,393 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:13:45,395 INFO  L229       MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:13:45,396 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process
[2024-12-02 09:13:45,560 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:13:45,562 INFO  L256         TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 26 conjuncts are in the unsatisfiable core
[2024-12-02 09:13:45,566 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:13:45,593 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 28
[2024-12-02 09:13:45,610 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:13:45,689 INFO  L349             Elim1Store]: treesize reduction 45, result has 13.5 percent of original size
[2024-12-02 09:13:45,689 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 37
[2024-12-02 09:13:45,744 INFO  L349             Elim1Store]: treesize reduction 44, result has 10.2 percent of original size
[2024-12-02 09:13:45,744 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 88 treesize of output 65
[2024-12-02 09:13:45,763 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 36
[2024-12-02 09:13:45,775 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 16
[2024-12-02 09:13:46,067 INFO  L349             Elim1Store]: treesize reduction 13, result has 40.9 percent of original size
[2024-12-02 09:13:46,067 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 20
[2024-12-02 09:13:46,108 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-12-02 09:13:46,109 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26
[2024-12-02 09:13:46,205 INFO  L349             Elim1Store]: treesize reduction 12, result has 52.0 percent of original size
[2024-12-02 09:13:46,206 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 26
[2024-12-02 09:13:46,333 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23
[2024-12-02 09:13:46,360 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16
[2024-12-02 09:13:46,918 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 09:13:46,918 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 09:13:46,918 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 09:13:46,918 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039800593]
[2024-12-02 09:13:46,918 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039800593] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 09:13:46,918 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 09:13:46,918 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-02 09:13:46,918 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083938787]
[2024-12-02 09:13:46,919 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 09:13:46,919 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 09:13:46,919 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 09:13:46,919 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 09:13:46,919 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-12-02 09:13:46,919 INFO  L87              Difference]: Start difference. First operand 171 states and 206 transitions. Second operand  has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 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 09:13:48,914 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:13:51,603 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:13:54,158 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 09:13:55,130 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:13:55,130 INFO  L93              Difference]: Finished difference Result 281 states and 342 transitions.
[2024-12-02 09:13:55,131 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-12-02 09:13:55,131 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 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 30
[2024-12-02 09:13:55,131 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:13:55,132 INFO  L225             Difference]: With dead ends: 281
[2024-12-02 09:13:55,132 INFO  L226             Difference]: Without dead ends: 183
[2024-12-02 09:13:55,132 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90
[2024-12-02 09:13:55,133 INFO  L435           NwaCegarLoop]: 26 mSDtfsCounter, 83 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time
[2024-12-02 09:13:55,133 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 105 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time]
[2024-12-02 09:13:55,133 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 183 states.
[2024-12-02 09:13:55,199 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 175.
[2024-12-02 09:13:55,200 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 175 states, 173 states have (on average 1.2080924855491328) internal successors, (209), 174 states have internal predecessors, (209), 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 09:13:55,200 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 209 transitions.
[2024-12-02 09:13:55,200 INFO  L78                 Accepts]: Start accepts. Automaton has 175 states and 209 transitions. Word has length 30
[2024-12-02 09:13:55,200 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:13:55,201 INFO  L471      AbstractCegarLoop]: Abstraction has 175 states and 209 transitions.
[2024-12-02 09:13:55,201 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 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 09:13:55,201 INFO  L276                IsEmpty]: Start isEmpty. Operand 175 states and 209 transitions.
[2024-12-02 09:13:55,201 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2024-12-02 09:13:55,201 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 09:13:55,201 INFO  L218           NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:13:55,209 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0
[2024-12-02 09:13:55,402 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:13:55,402 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2024-12-02 09:13:55,402 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:13:55,402 INFO  L85        PathProgramCache]: Analyzing trace with hash 605370130, now seen corresponding path program 3 times
[2024-12-02 09:13:55,403 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 09:13:55,403 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [90479066]
[2024-12-02 09:13:55,403 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 09:13:55,403 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 09:13:55,403 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:13:55,405 INFO  L229       MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 09:13:55,406 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_200f7d83-6006-40be-accf-5d73fa1e1341/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process
[2024-12-02 09:14:27,309 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s)
[2024-12-02 09:14:27,309 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 09:14:27,320 INFO  L256         TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 40 conjuncts are in the unsatisfiable core
[2024-12-02 09:14:27,324 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 09:14:27,372 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 40
[2024-12-02 09:14:27,389 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 44
[2024-12-02 09:14:27,540 INFO  L349             Elim1Store]: treesize reduction 66, result has 20.5 percent of original size
[2024-12-02 09:14:27,540 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 90
[2024-12-02 09:14:27,579 INFO  L349             Elim1Store]: treesize reduction 21, result has 4.5 percent of original size
[2024-12-02 09:14:27,580 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 43
[2024-12-02 09:14:27,635 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11
[2024-12-02 09:14:27,658 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 47
[2024-12-02 09:14:27,693 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 23
[2024-12-02 09:14:27,734 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11
[2024-12-02 09:14:27,768 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 49