./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC --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 64bit --witnessprinter.graph.data.programhash 971edb75bb0f677639f0c3e5b019bf9afe7575a35e63ddba584727b568db50c6
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 01:11:01,006 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 01:11:01,095 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-24 01:11:01,104 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 01:11:01,108 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 01:11:01,146 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 01:11:01,147 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 01:11:01,148 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 01:11:01,148 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 01:11:01,149 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 01:11:01,149 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 01:11:01,149 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 01:11:01,150 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 01:11:01,150 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 01:11:01,151 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 01:11:01,152 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 01:11:01,152 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 01:11:01,152 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 01:11:01,152 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 01:11:01,152 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 01:11:01,152 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 01:11:01,152 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 01:11:01,153 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 01:11:01,153 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 01:11:01,153 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 01:11:01,153 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 01:11:01,153 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 01:11:01,154 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:11:01,154 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 01:11:01,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:11:01,154 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 01:11:01,154 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 01:11:01,155 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:11:01,155 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 01:11:01,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:11:01,156 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 01:11:01,156 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 01:11:01,156 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 01:11:01,156 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 01:11:01,156 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-24 01:11:01,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 01:11:01,156 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 01:11:01,156 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 01:11:01,157 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 01:11:01,157 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 01:11:01,157 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_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 971edb75bb0f677639f0c3e5b019bf9afe7575a35e63ddba584727b568db50c6
[2024-11-24 01:11:01,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 01:11:01,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 01:11:01,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 01:11:01,633 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 01:11:01,634 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 01:11:01,638 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i
[2024-11-24 01:11:05,035 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/data/1e07a78f0/9fc40b9354bf415bab1bccc49d942add/FLAG38925d624
[2024-11-24 01:11:05,795 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 01:11:05,796 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i
[2024-11-24 01:11:05,848 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/data/1e07a78f0/9fc40b9354bf415bab1bccc49d942add/FLAG38925d624
[2024-11-24 01:11:05,884 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/data/1e07a78f0/9fc40b9354bf415bab1bccc49d942add
[2024-11-24 01:11:05,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 01:11:05,889 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 01:11:05,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 01:11:05,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 01:11:05,898 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 01:11:05,899 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:11:05" (1/1) ...
[2024-11-24 01:11:05,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@128ae8d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:05, skipping insertion in model container
[2024-11-24 01:11:05,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:11:05" (1/1) ...
[2024-11-24 01:11:06,013 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 01:11:06,395 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_a8419599-3e2a-4a8e-b81b-0439ae609bc4/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4498,4511]
[2024-11-24 01:11:06,406 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_a8419599-3e2a-4a8e-b81b-0439ae609bc4/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4558,4571]
[2024-11-24 01:11:07,629 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:07,630 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:07,630 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:07,632 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:07,633 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:07,652 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:07,653 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:07,656 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:07,658 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:07,662 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:07,665 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:07,666 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:07,670 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:08,485 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:08,494 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:08,618 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:11:08,677 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 01:11:08,700 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_a8419599-3e2a-4a8e-b81b-0439ae609bc4/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4498,4511]
[2024-11-24 01:11:08,702 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_a8419599-3e2a-4a8e-b81b-0439ae609bc4/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4558,4571]
[2024-11-24 01:11:08,806 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:08,807 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:08,807 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:08,808 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:08,809 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:08,822 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:08,822 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:08,824 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:08,824 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:08,826 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:08,827 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:08,828 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:08,828 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:08,962 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:08,972 WARN L1675 CHandler]: Possible shadowing of function index
[2024-11-24 01:11:08,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__(""
:
: "r"(pBuf)
: "memory"); [7765-7776]
[2024-11-24 01:11:09,017 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:11:09,382 INFO L204 MainTranslator]: Completed translation
[2024-11-24 01:11:09,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:09 WrapperNode
[2024-11-24 01:11:09,383 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 01:11:09,385 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 01:11:09,385 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 01:11:09,385 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 01:11:09,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:09" (1/1) ...
[2024-11-24 01:11:09,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:09" (1/1) ...
[2024-11-24 01:11:09,562 INFO L138 Inliner]: procedures = 680, calls = 1679, calls flagged for inlining = 51, calls inlined = 10, statements flattened = 687
[2024-11-24 01:11:09,563 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 01:11:09,563 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 01:11:09,563 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 01:11:09,563 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 01:11:09,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:09" (1/1) ...
[2024-11-24 01:11:09,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:09" (1/1) ...
[2024-11-24 01:11:09,599 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:09" (1/1) ...
[2024-11-24 01:11:09,714 INFO L175 MemorySlicer]: Split 323 memory accesses to 6 slices as follows [238, 2, 3, 63, 11, 6]. 74 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 2, 1, 10, 5, 0]. The 240 writes are split as follows [232, 0, 1, 5, 0, 2].
[2024-11-24 01:11:09,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:09" (1/1) ...
[2024-11-24 01:11:09,718 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:09" (1/1) ...
[2024-11-24 01:11:09,766 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:09" (1/1) ...
[2024-11-24 01:11:09,768 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:09" (1/1) ...
[2024-11-24 01:11:09,771 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:09" (1/1) ...
[2024-11-24 01:11:09,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:09" (1/1) ...
[2024-11-24 01:11:09,783 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:09" (1/1) ...
[2024-11-24 01:11:09,793 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 01:11:09,794 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 01:11:09,794 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 01:11:09,794 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 01:11:09,795 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:09" (1/1) ...
[2024-11-24 01:11:09,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:11:09,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:11:09,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 01:11:09,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 01:11:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure memmove_impl
[2024-11-24 01:11:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure memmove_impl
[2024-11-24 01:11:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-24 01:11:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded
[2024-11-24 01:11:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded
[2024-11-24 01:11:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid
[2024-11-24 01:11:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid
[2024-11-24 01:11:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool
[2024-11-24 01:11:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool
[2024-11-24 01:11:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0
[2024-11-24 01:11:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1
[2024-11-24 01:11:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2
[2024-11-24 01:11:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3
[2024-11-24 01:11:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4
[2024-11-24 01:11:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5
[2024-11-24 01:11:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-24 01:11:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-24 01:11:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-11-24 01:11:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3
[2024-11-24 01:11:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4
[2024-11-24 01:11:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5
[2024-11-24 01:11:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error
[2024-11-24 01:11:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error
[2024-11-24 01:11:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-11-24 01:11:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-11-24 01:11:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-24 01:11:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 01:11:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-11-24 01:11:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-11-24 01:11:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2
[2024-11-24 01:11:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3
[2024-11-24 01:11:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4
[2024-11-24 01:11:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5
[2024-11-24 01:11:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 01:11:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 01:11:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc
[2024-11-24 01:11:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc
[2024-11-24 01:11:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches
[2024-11-24 01:11:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches
[2024-11-24 01:11:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked
[2024-11-24 01:11:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked
[2024-11-24 01:11:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0
[2024-11-24 01:11:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1
[2024-11-24 01:11:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2
[2024-11-24 01:11:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3
[2024-11-24 01:11:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4
[2024-11-24 01:11:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5
[2024-11-24 01:11:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length
[2024-11-24 01:11:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length
[2024-11-24 01:11:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-24 01:11:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-24 01:11:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-24 01:11:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-11-24 01:11:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-11-24 01:11:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2
[2024-11-24 01:11:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3
[2024-11-24 01:11:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4
[2024-11-24 01:11:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5
[2024-11-24 01:11:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0
[2024-11-24 01:11:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1
[2024-11-24 01:11:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2
[2024-11-24 01:11:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3
[2024-11-24 01:11:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4
[2024-11-24 01:11:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5
[2024-11-24 01:11:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator
[2024-11-24 01:11:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator
[2024-11-24 01:11:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult
[2024-11-24 01:11:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult
[2024-11-24 01:11:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-24 01:11:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-24 01:11:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-11-24 01:11:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3
[2024-11-24 01:11:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4
[2024-11-24 01:11:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5
[2024-11-24 01:11:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure my_memmove
[2024-11-24 01:11:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memmove
[2024-11-24 01:11:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_front
[2024-11-24 01:11:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_front
[2024-11-24 01:11:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member
[2024-11-24 01:11:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member
[2024-11-24 01:11:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-24 01:11:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-24 01:11:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-24 01:11:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3
[2024-11-24 01:11:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4
[2024-11-24 01:11:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5
[2024-11-24 01:11:10,326 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 01:11:10,329 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 01:11:16,696 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live.
[2024-11-24 01:11:16,696 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 01:11:16,713 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 01:11:16,717 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-24 01:11:16,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:11:16 BoogieIcfgContainer
[2024-11-24 01:11:16,718 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 01:11:16,720 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 01:11:16,720 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 01:11:16,726 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 01:11:16,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:11:05" (1/3) ...
[2024-11-24 01:11:16,727 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@662d6d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:11:16, skipping insertion in model container
[2024-11-24 01:11:16,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:09" (2/3) ...
[2024-11-24 01:11:16,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@662d6d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:11:16, skipping insertion in model container
[2024-11-24 01:11:16,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:11:16" (3/3) ...
[2024-11-24 01:11:16,729 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_array_list_pop_front_harness.i
[2024-11-24 01:11:16,748 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 01:11:16,750 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_array_list_pop_front_harness.i that has 17 procedures, 185 locations, 1 initial locations, 0 loop locations, and 1 error locations.
[2024-11-24 01:11:16,821 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 01:11:16,836 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;@74ba8d2e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 01:11:16,836 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-24 01:11:16,841 INFO L276 IsEmpty]: Start isEmpty. Operand has 185 states, 110 states have (on average 1.2) internal successors, (132), 111 states have internal predecessors, (132), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57)
[2024-11-24 01:11:16,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85
[2024-11-24 01:11:16,852 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:11:16,854 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:11:16,855 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:11:16,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:11:16,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1369416434, now seen corresponding path program 1 times
[2024-11-24 01:11:16,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:11:16,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406319240]
[2024-11-24 01:11:16,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:11:16,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:11:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:11:24,450 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked.
[2024-11-24 01:11:24,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:11:24,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406319240]
[2024-11-24 01:11:24,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406319240] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:11:24,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955781685]
[2024-11-24 01:11:24,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:11:24,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:11:24,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:11:24,457 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:11:24,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-24 01:11:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:11:31,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 4159 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-24 01:11:31,384 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:11:31,401 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked.
[2024-11-24 01:11:31,401 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:11:31,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955781685] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:11:31,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-24 01:11:31,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-24 01:11:31,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042403555]
[2024-11-24 01:11:31,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:11:31,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-24 01:11:31,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:11:31,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-24 01:11:31,428 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 01:11:31,431 INFO L87 Difference]: Start difference. First operand has 185 states, 110 states have (on average 1.2) internal successors, (132), 111 states have internal predecessors, (132), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-11-24 01:11:31,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:11:31,489 INFO L93 Difference]: Finished difference Result 363 states and 519 transitions.
[2024-11-24 01:11:31,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-24 01:11:31,493 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 84
[2024-11-24 01:11:31,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:11:31,501 INFO L225 Difference]: With dead ends: 363
[2024-11-24 01:11:31,501 INFO L226 Difference]: Without dead ends: 180
[2024-11-24 01:11:31,506 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 01:11:31,509 INFO L435 NwaCegarLoop]: 244 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 01:11:31,510 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 01:11:31,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states.
[2024-11-24 01:11:31,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180.
[2024-11-24 01:11:31,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 106 states have (on average 1.1886792452830188) internal successors, (126), 107 states have internal predecessors, (126), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56)
[2024-11-24 01:11:31,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 239 transitions.
[2024-11-24 01:11:31,593 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 239 transitions. Word has length 84
[2024-11-24 01:11:31,593 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:11:31,593 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 239 transitions.
[2024-11-24 01:11:31,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-11-24 01:11:31,594 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 239 transitions.
[2024-11-24 01:11:31,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85
[2024-11-24 01:11:31,600 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:11:31,600 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:11:31,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-24 01:11:31,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-11-24 01:11:31,801 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:11:31,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:11:31,802 INFO L85 PathProgramCache]: Analyzing trace with hash -293931922, now seen corresponding path program 1 times
[2024-11-24 01:11:31,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:11:31,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906891739]
[2024-11-24 01:11:31,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:11:31,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:11:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:11:38,738 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked.
[2024-11-24 01:11:38,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:11:38,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906891739]
[2024-11-24 01:11:38,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906891739] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:11:38,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289644789]
[2024-11-24 01:11:38,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:11:38,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:11:38,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:11:38,744 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:11:38,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-24 01:11:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:11:44,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 4159 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-24 01:11:44,710 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:11:45,181 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2024-11-24 01:11:45,182 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:11:45,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [289644789] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:11:45,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-24 01:11:45,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9
[2024-11-24 01:11:45,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084458128]
[2024-11-24 01:11:45,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:11:45,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 01:11:45,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:11:45,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 01:11:45,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2024-11-24 01:11:45,185 INFO L87 Difference]: Start difference. First operand 180 states and 239 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13)
[2024-11-24 01:11:46,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:11:46,844 INFO L93 Difference]: Finished difference Result 325 states and 446 transitions.
[2024-11-24 01:11:46,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 01:11:46,845 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 84
[2024-11-24 01:11:46,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:11:46,850 INFO L225 Difference]: With dead ends: 325
[2024-11-24 01:11:46,850 INFO L226 Difference]: Without dead ends: 182
[2024-11-24 01:11:46,856 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132
[2024-11-24 01:11:46,857 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 253 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-11-24 01:11:46,857 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 722 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-11-24 01:11:46,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states.
[2024-11-24 01:11:46,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182.
[2024-11-24 01:11:46,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 107 states have (on average 1.1869158878504673) internal successors, (127), 109 states have internal predecessors, (127), 57 states have call successors, (57), 16 states have call predecessors, (57), 17 states have return successors, (66), 56 states have call predecessors, (66), 56 states have call successors, (66)
[2024-11-24 01:11:46,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 250 transitions.
[2024-11-24 01:11:46,967 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 250 transitions. Word has length 84
[2024-11-24 01:11:46,968 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:11:46,968 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 250 transitions.
[2024-11-24 01:11:46,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13)
[2024-11-24 01:11:46,968 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 250 transitions.
[2024-11-24 01:11:46,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100
[2024-11-24 01:11:46,969 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:11:46,970 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:11:46,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-11-24 01:11:47,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:11:47,173 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:11:47,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:11:47,176 INFO L85 PathProgramCache]: Analyzing trace with hash -2116490439, now seen corresponding path program 1 times
[2024-11-24 01:11:47,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:11:47,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963770546]
[2024-11-24 01:11:47,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:11:47,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:11:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:11:54,003 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked.
[2024-11-24 01:11:54,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:11:54,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963770546]
[2024-11-24 01:11:54,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963770546] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:11:54,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243426244]
[2024-11-24 01:11:54,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:11:54,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:11:54,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:11:54,011 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:11:54,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-24 01:11:59,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:11:59,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 4286 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-24 01:11:59,905 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:12:00,764 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked.
[2024-11-24 01:12:00,764 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:12:00,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243426244] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:12:00,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-24 01:12:00,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13
[2024-11-24 01:12:00,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107294564]
[2024-11-24 01:12:00,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:12:00,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-24 01:12:00,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:12:00,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-24 01:12:00,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156
[2024-11-24 01:12:00,767 INFO L87 Difference]: Start difference. First operand 182 states and 250 transitions. Second operand has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15)
[2024-11-24 01:12:03,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:12:03,729 INFO L93 Difference]: Finished difference Result 317 states and 440 transitions.
[2024-11-24 01:12:03,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-24 01:12:03,730 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 99
[2024-11-24 01:12:03,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:12:03,733 INFO L225 Difference]: With dead ends: 317
[2024-11-24 01:12:03,733 INFO L226 Difference]: Without dead ends: 182
[2024-11-24 01:12:03,735 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306
[2024-11-24 01:12:03,735 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 273 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2024-11-24 01:12:03,736 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 975 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2024-11-24 01:12:03,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states.
[2024-11-24 01:12:03,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182.
[2024-11-24 01:12:03,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 107 states have (on average 1.1869158878504673) internal successors, (127), 109 states have internal predecessors, (127), 57 states have call successors, (57), 16 states have call predecessors, (57), 17 states have return successors, (63), 56 states have call predecessors, (63), 56 states have call successors, (63)
[2024-11-24 01:12:03,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 247 transitions.
[2024-11-24 01:12:03,759 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 247 transitions. Word has length 99
[2024-11-24 01:12:03,759 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:12:03,759 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 247 transitions.
[2024-11-24 01:12:03,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15)
[2024-11-24 01:12:03,760 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 247 transitions.
[2024-11-24 01:12:03,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115
[2024-11-24 01:12:03,762 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:12:03,762 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:12:03,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-24 01:12:03,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:12:03,963 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:12:03,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:12:03,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1678054398, now seen corresponding path program 2 times
[2024-11-24 01:12:03,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:12:03,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281525414]
[2024-11-24 01:12:03,964 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-24 01:12:03,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:12:09,591 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-24 01:12:09,595 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-24 01:12:11,563 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked.
[2024-11-24 01:12:11,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:12:11,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281525414]
[2024-11-24 01:12:11,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281525414] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:12:11,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:12:11,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-24 01:12:11,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898416428]
[2024-11-24 01:12:11,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:12:11,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-24 01:12:11,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:12:11,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-24 01:12:11,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2024-11-24 01:12:11,568 INFO L87 Difference]: Start difference. First operand 182 states and 247 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 7 states have internal predecessors, (46), 5 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15)
[2024-11-24 01:12:13,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:12:13,536 INFO L93 Difference]: Finished difference Result 326 states and 450 transitions.
[2024-11-24 01:12:13,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-24 01:12:13,537 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 7 states have internal predecessors, (46), 5 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) Word has length 114
[2024-11-24 01:12:13,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:12:13,540 INFO L225 Difference]: With dead ends: 326
[2024-11-24 01:12:13,540 INFO L226 Difference]: Without dead ends: 194
[2024-11-24 01:12:13,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110
[2024-11-24 01:12:13,542 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 86 mSDsluCounter, 1342 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 1555 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2024-11-24 01:12:13,542 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 1555 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2024-11-24 01:12:13,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states.
[2024-11-24 01:12:13,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194.
[2024-11-24 01:12:13,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 113 states have (on average 1.1858407079646018) internal successors, (134), 115 states have internal predecessors, (134), 62 states have call successors, (62), 17 states have call predecessors, (62), 18 states have return successors, (68), 61 states have call predecessors, (68), 61 states have call successors, (68)
[2024-11-24 01:12:13,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 264 transitions.
[2024-11-24 01:12:13,576 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 264 transitions. Word has length 114
[2024-11-24 01:12:13,578 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:12:13,578 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 264 transitions.
[2024-11-24 01:12:13,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 7 states have internal predecessors, (46), 5 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15)
[2024-11-24 01:12:13,578 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 264 transitions.
[2024-11-24 01:12:13,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145
[2024-11-24 01:12:13,584 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:12:13,585 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:12:13,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-24 01:12:13,585 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:12:13,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:12:13,585 INFO L85 PathProgramCache]: Analyzing trace with hash -533874894, now seen corresponding path program 1 times
[2024-11-24 01:12:13,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:12:13,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903094881]
[2024-11-24 01:12:13,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:12:13,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:12:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-24 01:12:21,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [532345273]
[2024-11-24 01:12:21,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:12:21,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:12:21,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:12:21,173 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:12:21,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8419599-3e2a-4a8e-b81b-0439ae609bc4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process