./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_array_harness.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de43799-e291-485b-9b6f-4686773b3bca/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de43799-e291-485b-9b6f-4686773b3bca/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de43799-e291-485b-9b6f-4686773b3bca/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de43799-e291-485b-9b6f-4686773b3bca/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_array_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de43799-e291-485b-9b6f-4686773b3bca/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de43799-e291-485b-9b6f-4686773b3bca/bin/uautomizer-verify-jihMAELWvX --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 9b31a0de2b621799e7704a1edbde99c549dd0681127022ee400e76db9f90281d
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 17:15:43,896 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 17:15:43,958 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de43799-e291-485b-9b6f-4686773b3bca/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-08 17:15:43,965 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 17:15:43,967 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 17:15:43,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 17:15:43,996 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 17:15:43,996 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 17:15:43,997 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 17:15:43,998 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 17:15:43,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 17:15:43,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 17:15:43,999 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 17:15:44,000 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 17:15:44,001 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 17:15:44,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 17:15:44,002 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 17:15:44,002 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 17:15:44,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 17:15:44,003 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 17:15:44,003 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 17:15:44,008 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 17:15:44,009 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 17:15:44,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 17:15:44,011 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 17:15:44,011 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 17:15:44,012 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 17:15:44,012 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 17:15:44,012 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 17:15:44,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:15:44,013 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 17:15:44,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 17:15:44,014 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 17:15:44,014 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 17:15:44,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 17:15:44,015 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 17:15:44,019 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 17:15:44,019 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 17:15:44,020 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 17:15:44,020 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de43799-e291-485b-9b6f-4686773b3bca/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de43799-e291-485b-9b6f-4686773b3bca/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b31a0de2b621799e7704a1edbde99c549dd0681127022ee400e76db9f90281d
[2024-11-08 17:15:44,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 17:15:44,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 17:15:44,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 17:15:44,294 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 17:15:44,295 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 17:15:44,297 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de43799-e291-485b-9b6f-4686773b3bca/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_array_harness.i
Unable to find full path for "g++"
[2024-11-08 17:15:46,487 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 17:15:47,021 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 17:15:47,024 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de43799-e291-485b-9b6f-4686773b3bca/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_array_harness.i
[2024-11-08 17:15:47,072 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de43799-e291-485b-9b6f-4686773b3bca/bin/uautomizer-verify-jihMAELWvX/data/aa68a396e/3ac02c2396e94776940a144a2161c589/FLAGb2d81e481
[2024-11-08 17:15:47,093 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de43799-e291-485b-9b6f-4686773b3bca/bin/uautomizer-verify-jihMAELWvX/data/aa68a396e/3ac02c2396e94776940a144a2161c589
[2024-11-08 17:15:47,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 17:15:47,098 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 17:15:47,101 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 17:15:47,103 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 17:15:47,110 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 17:15:47,112 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:15:47" (1/1) ...
[2024-11-08 17:15:47,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a5a0f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:47, skipping insertion in model container
[2024-11-08 17:15:47,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:15:47" (1/1) ...
[2024-11-08 17:15:47,257 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 17:15:47,637 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_6de43799-e291-485b-9b6f-4686773b3bca/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_array_harness.i[4497,4510]
[2024-11-08 17:15:47,645 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_6de43799-e291-485b-9b6f-4686773b3bca/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_array_harness.i[4557,4570]
[2024-11-08 17:15:48,651 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:15:48,652 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:15:48,653 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:15:48,654 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:15:48,655 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:15:48,678 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:15:48,679 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:15:48,681 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:15:48,687 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:15:49,525 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:15:49,526 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:15:49,613 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:15:49,699 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 17:15:49,714 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_6de43799-e291-485b-9b6f-4686773b3bca/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_array_harness.i[4497,4510]
[2024-11-08 17:15:49,719 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_6de43799-e291-485b-9b6f-4686773b3bca/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_array_harness.i[4557,4570]
[2024-11-08 17:15:49,779 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:15:49,780 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:15:49,780 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:15:49,781 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:15:49,782 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:15:49,791 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:15:49,793 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:15:49,795 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:15:49,796 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:15:50,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269]
[2024-11-08 17:15:50,017 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:15:50,017 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:15:50,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__(""
:
: "r"(pBuf)
: "memory"); [8755-8766]
[2024-11-08 17:15:50,056 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:15:50,352 INFO L204 MainTranslator]: Completed translation
[2024-11-08 17:15:50,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:50 WrapperNode
[2024-11-08 17:15:50,353 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 17:15:50,355 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 17:15:50,355 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 17:15:50,355 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 17:15:50,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:50" (1/1) ...
[2024-11-08 17:15:50,465 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:50" (1/1) ...
[2024-11-08 17:15:50,537 INFO L138 Inliner]: procedures = 679, calls = 2610, calls flagged for inlining = 56, calls inlined = 4, statements flattened = 765
[2024-11-08 17:15:50,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 17:15:50,538 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 17:15:50,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 17:15:50,539 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 17:15:50,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:50" (1/1) ...
[2024-11-08 17:15:50,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:50" (1/1) ...
[2024-11-08 17:15:50,560 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:50" (1/1) ...
[2024-11-08 17:15:50,664 INFO L175 MemorySlicer]: Split 530 memory accesses to 5 slices as follows [2, 257, 240, 26, 5]. 48 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 4, 5]. The 493 writes are split as follows [0, 257, 232, 4, 0].
[2024-11-08 17:15:50,664 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:50" (1/1) ...
[2024-11-08 17:15:50,664 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:50" (1/1) ...
[2024-11-08 17:15:50,708 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:50" (1/1) ...
[2024-11-08 17:15:50,711 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:50" (1/1) ...
[2024-11-08 17:15:50,726 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:50" (1/1) ...
[2024-11-08 17:15:50,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:50" (1/1) ...
[2024-11-08 17:15:50,754 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 17:15:50,758 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 17:15:50,758 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 17:15:50,758 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 17:15:50,759 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:50" (1/1) ...
[2024-11-08 17:15:50,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:15:50,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de43799-e291-485b-9b6f-4686773b3bca/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:15:50,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de43799-e291-485b-9b6f-4686773b3bca/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 17:15:50,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de43799-e291-485b-9b6f-4686773b3bca/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 17:15:50,875 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid
[2024-11-08 17:15:50,877 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid
[2024-11-08 17:15:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-08 17:15:50,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0
[2024-11-08 17:15:50,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1
[2024-11-08 17:15:50,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2
[2024-11-08 17:15:50,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3
[2024-11-08 17:15:50,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4
[2024-11-08 17:15:50,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-08 17:15:50,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-08 17:15:50,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-11-08 17:15:50,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3
[2024-11-08 17:15:50,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4
[2024-11-08 17:15:50,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-11-08 17:15:50,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-11-08 17:15:50,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-08 17:15:50,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 17:15:50,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-11-08 17:15:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-11-08 17:15:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2
[2024-11-08 17:15:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3
[2024-11-08 17:15:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4
[2024-11-08 17:15:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 17:15:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 17:15:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc
[2024-11-08 17:15:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc
[2024-11-08 17:15:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t
[2024-11-08 17:15:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t
[2024-11-08 17:15:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0
[2024-11-08 17:15:50,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1
[2024-11-08 17:15:50,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2
[2024-11-08 17:15:50,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3
[2024-11-08 17:15:50,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4
[2024-11-08 17:15:50,883 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-08 17:15:50,883 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-08 17:15:50,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-08 17:15:50,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-11-08 17:15:50,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-11-08 17:15:50,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2
[2024-11-08 17:15:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3
[2024-11-08 17:15:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4
[2024-11-08 17:15:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0
[2024-11-08 17:15:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1
[2024-11-08 17:15:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2
[2024-11-08 17:15:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3
[2024-11-08 17:15:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4
[2024-11-08 17:15:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t
[2024-11-08 17:15:50,887 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t
[2024-11-08 17:15:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-08 17:15:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-08 17:15:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-11-08 17:15:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3
[2024-11-08 17:15:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4
[2024-11-08 17:15:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 17:15:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-08 17:15:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-08 17:15:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3
[2024-11-08 17:15:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4
[2024-11-08 17:15:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_array
[2024-11-08 17:15:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_array
[2024-11-08 17:15:51,242 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 17:15:51,244 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 17:16:00,525 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live.
[2024-11-08 17:16:00,525 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 17:16:00,549 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 17:16:00,550 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 17:16:00,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:16:00 BoogieIcfgContainer
[2024-11-08 17:16:00,551 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 17:16:00,555 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 17:16:00,555 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 17:16:00,561 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 17:16:00,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:15:47" (1/3) ...
[2024-11-08 17:16:00,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c329a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:16:00, skipping insertion in model container
[2024-11-08 17:16:00,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:50" (2/3) ...
[2024-11-08 17:16:00,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c329a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:16:00, skipping insertion in model container
[2024-11-08 17:16:00,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:16:00" (3/3) ...
[2024-11-08 17:16:00,567 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_from_array_harness.i
[2024-11-08 17:16:00,589 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 17:16:00,590 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 17:16:00,664 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 17:16:00,672 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;@36a5c68e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 17:16:00,672 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 17:16:00,677 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 53 states have (on average 1.2264150943396226) internal successors, (65), 54 states have internal predecessors, (65), 16 states have call successors, (16), 7 states have call predecessors, (16), 7 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-08 17:16:00,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2024-11-08 17:16:00,687 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:16:00,688 INFO L215 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, 1, 1, 1]
[2024-11-08 17:16:00,689 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:16:00,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:16:00,696 INFO L85 PathProgramCache]: Analyzing trace with hash 942573112, now seen corresponding path program 1 times
[2024-11-08 17:16:00,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:16:00,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243971096]
[2024-11-08 17:16:00,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:16:00,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:17:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:17:55,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 17:17:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:17:55,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 17:17:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:17:55,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 17:17:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:17:55,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2024-11-08 17:17:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:17:55,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2024-11-08 17:17:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:17:55,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-08 17:17:55,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:17:55,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243971096]
[2024-11-08 17:17:55,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243971096] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:17:55,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:17:55,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 17:17:55,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561762123]
[2024-11-08 17:17:55,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:17:55,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 17:17:55,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:17:55,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 17:17:55,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 17:17:55,264 INFO L87 Difference]: Start difference. First operand has 78 states, 53 states have (on average 1.2264150943396226) internal successors, (65), 54 states have internal predecessors, (65), 16 states have call successors, (16), 7 states have call predecessors, (16), 7 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-08 17:17:59,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-08 17:18:00,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:18:00,773 INFO L93 Difference]: Finished difference Result 146 states and 194 transitions.
[2024-11-08 17:18:00,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 17:18:00,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36
[2024-11-08 17:18:00,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:18:00,784 INFO L225 Difference]: With dead ends: 146
[2024-11-08 17:18:00,784 INFO L226 Difference]: Without dead ends: 71
[2024-11-08 17:18:00,788 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 17:18:00,792 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 37 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time
[2024-11-08 17:18:00,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 78 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 56 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time]
[2024-11-08 17:18:00,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states.
[2024-11-08 17:18:00,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71.
[2024-11-08 17:18:00,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 48 states have internal predecessors, (55), 16 states have call successors, (16), 7 states have call predecessors, (16), 7 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2024-11-08 17:18:00,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 86 transitions.
[2024-11-08 17:18:00,837 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 86 transitions. Word has length 36
[2024-11-08 17:18:00,838 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:18:00,838 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 86 transitions.
[2024-11-08 17:18:00,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-08 17:18:00,839 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 86 transitions.
[2024-11-08 17:18:00,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2024-11-08 17:18:00,840 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:18:00,841 INFO L215 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, 1, 1, 1]
[2024-11-08 17:18:00,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 17:18:00,841 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:18:00,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:18:00,842 INFO L85 PathProgramCache]: Analyzing trace with hash 72004472, now seen corresponding path program 1 times
[2024-11-08 17:18:00,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:18:00,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793787315]
[2024-11-08 17:18:00,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:18:00,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:19:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:19:56,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 17:19:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:19:56,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 17:19:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:19:57,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 17:19:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:19:57,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2024-11-08 17:19:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:19:57,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2024-11-08 17:19:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:19:57,452 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-08 17:19:57,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:19:57,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793787315]
[2024-11-08 17:19:57,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793787315] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:19:57,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:19:57,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-08 17:19:57,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046321605]
[2024-11-08 17:19:57,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:19:57,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 17:19:57,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:19:57,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 17:19:57,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-08 17:19:57,458 INFO L87 Difference]: Start difference. First operand 71 states and 86 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-08 17:20:01,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-08 17:20:04,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:20:04,906 INFO L93 Difference]: Finished difference Result 126 states and 154 transitions.
[2024-11-08 17:20:04,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 17:20:04,907 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36
[2024-11-08 17:20:04,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:20:04,910 INFO L225 Difference]: With dead ends: 126
[2024-11-08 17:20:04,910 INFO L226 Difference]: Without dead ends: 74
[2024-11-08 17:20:04,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56
[2024-11-08 17:20:04,913 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 39 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time
[2024-11-08 17:20:04,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 161 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 207 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time]
[2024-11-08 17:20:04,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states.
[2024-11-08 17:20:04,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74.
[2024-11-08 17:20:04,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 49 states have (on average 1.163265306122449) internal successors, (57), 51 states have internal predecessors, (57), 16 states have call successors, (16), 7 states have call predecessors, (16), 8 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16)
[2024-11-08 17:20:04,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 89 transitions.
[2024-11-08 17:20:04,927 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 89 transitions. Word has length 36
[2024-11-08 17:20:04,927 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:20:04,928 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 89 transitions.
[2024-11-08 17:20:04,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-08 17:20:04,928 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 89 transitions.
[2024-11-08 17:20:04,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2024-11-08 17:20:04,929 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:20:04,930 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:20:04,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 17:20:04,930 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:20:04,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:20:04,931 INFO L85 PathProgramCache]: Analyzing trace with hash 501482117, now seen corresponding path program 1 times
[2024-11-08 17:20:04,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:20:04,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021419489]
[2024-11-08 17:20:04,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:20:04,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:21:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:21:54,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 17:21:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:21:54,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 17:21:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:21:54,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 17:21:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:21:54,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2024-11-08 17:21:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:21:54,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2024-11-08 17:21:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:21:54,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-08 17:21:54,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:21:54,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021419489]
[2024-11-08 17:21:54,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021419489] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:21:54,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:21:54,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 17:21:54,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539234907]
[2024-11-08 17:21:54,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:21:54,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 17:21:54,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:21:54,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 17:21:54,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 17:21:54,555 INFO L87 Difference]: Start difference. First operand 74 states and 89 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5)
[2024-11-08 17:21:58,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-08 17:22:01,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:22:01,365 INFO L93 Difference]: Finished difference Result 132 states and 162 transitions.
[2024-11-08 17:22:01,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 17:22:01,366 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 42
[2024-11-08 17:22:01,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:22:01,368 INFO L225 Difference]: With dead ends: 132
[2024-11-08 17:22:01,368 INFO L226 Difference]: Without dead ends: 77
[2024-11-08 17:22:01,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-08 17:22:01,370 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 41 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time
[2024-11-08 17:22:01,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 134 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 152 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time]
[2024-11-08 17:22:01,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states.
[2024-11-08 17:22:01,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 76.
[2024-11-08 17:22:01,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 51 states have (on average 1.1568627450980393) internal successors, (59), 53 states have internal predecessors, (59), 16 states have call successors, (16), 7 states have call predecessors, (16), 8 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16)
[2024-11-08 17:22:01,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 91 transitions.
[2024-11-08 17:22:01,394 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 91 transitions. Word has length 42
[2024-11-08 17:22:01,395 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:22:01,395 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 91 transitions.
[2024-11-08 17:22:01,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5)
[2024-11-08 17:22:01,395 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 91 transitions.
[2024-11-08 17:22:01,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2024-11-08 17:22:01,397 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:22:01,397 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:22:01,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 17:22:01,397 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:22:01,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:22:01,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1202546695, now seen corresponding path program 1 times
[2024-11-08 17:22:01,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:22:01,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786448196]
[2024-11-08 17:22:01,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:22:01,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:23:59,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:24:00,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 17:24:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:24:00,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 17:24:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:24:00,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 17:24:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:24:00,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2024-11-08 17:24:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:24:00,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2024-11-08 17:24:00,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:24:00,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-08 17:24:00,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:24:00,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786448196]
[2024-11-08 17:24:00,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786448196] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:24:00,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:24:00,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 17:24:00,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136409194]
[2024-11-08 17:24:00,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:24:00,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 17:24:00,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:24:00,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 17:24:00,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 17:24:00,871 INFO L87 Difference]: Start difference. First operand 76 states and 91 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5)
[2024-11-08 17:24:05,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-08 17:24:07,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:24:07,832 INFO L93 Difference]: Finished difference Result 135 states and 165 transitions.
[2024-11-08 17:24:07,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 17:24:07,833 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 42
[2024-11-08 17:24:07,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:24:07,834 INFO L225 Difference]: With dead ends: 135
[2024-11-08 17:24:07,835 INFO L226 Difference]: Without dead ends: 78
[2024-11-08 17:24:07,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-08 17:24:07,837 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 39 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time
[2024-11-08 17:24:07,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 134 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 153 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time]
[2024-11-08 17:24:07,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states.
[2024-11-08 17:24:07,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78.
[2024-11-08 17:24:07,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 53 states have (on average 1.150943396226415) internal successors, (61), 55 states have internal predecessors, (61), 16 states have call successors, (16), 7 states have call predecessors, (16), 8 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16)
[2024-11-08 17:24:07,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 93 transitions.
[2024-11-08 17:24:07,850 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 93 transitions. Word has length 42
[2024-11-08 17:24:07,850 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:24:07,850 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 93 transitions.
[2024-11-08 17:24:07,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5)
[2024-11-08 17:24:07,851 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 93 transitions.
[2024-11-08 17:24:07,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2024-11-08 17:24:07,852 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:24:07,853 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:24:07,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 17:24:07,853 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:24:07,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:24:07,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1088288131, now seen corresponding path program 1 times
[2024-11-08 17:24:07,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:24:07,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740430424]
[2024-11-08 17:24:07,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:24:07,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:26:15,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:26:21,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 17:26:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:26:21,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 17:26:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:26:21,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 17:26:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:26:21,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2024-11-08 17:26:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:26:21,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2024-11-08 17:26:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:26:22,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-08 17:26:22,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:26:22,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740430424]
[2024-11-08 17:26:22,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740430424] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:26:22,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:26:22,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-08 17:26:22,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035135237]
[2024-11-08 17:26:22,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:26:22,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-08 17:26:22,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:26:22,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-08 17:26:22,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2024-11-08 17:26:22,723 INFO L87 Difference]: Start difference. First operand 78 states and 93 transitions. Second operand has 9 states, 8 states have (on average 3.375) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5)
[2024-11-08 17:26:26,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-08 17:26:32,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:26:32,831 INFO L93 Difference]: Finished difference Result 90 states and 106 transitions.
[2024-11-08 17:26:32,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-08 17:26:32,832 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 42
[2024-11-08 17:26:32,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:26:32,833 INFO L225 Difference]: With dead ends: 90
[2024-11-08 17:26:32,834 INFO L226 Difference]: Without dead ends: 88
[2024-11-08 17:26:32,834 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182
[2024-11-08 17:26:32,836 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 44 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time
[2024-11-08 17:26:32,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 270 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 381 Invalid, 1 Unknown, 0 Unchecked, 9.3s Time]
[2024-11-08 17:26:32,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states.
[2024-11-08 17:26:32,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 87.
[2024-11-08 17:26:32,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 59 states have (on average 1.1355932203389831) internal successors, (67), 62 states have internal predecessors, (67), 17 states have call successors, (17), 8 states have call predecessors, (17), 10 states have return successors, (19), 16 states have call predecessors, (19), 16 states have call successors, (19)
[2024-11-08 17:26:32,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 103 transitions.
[2024-11-08 17:26:32,849 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 103 transitions. Word has length 42
[2024-11-08 17:26:32,850 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:26:32,850 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 103 transitions.
[2024-11-08 17:26:32,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5)
[2024-11-08 17:26:32,850 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 103 transitions.
[2024-11-08 17:26:32,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2024-11-08 17:26:32,852 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:26:32,852 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:26:32,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-08 17:26:32,853 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:26:32,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:26:32,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1524900017, now seen corresponding path program 1 times
[2024-11-08 17:26:32,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:26:32,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11552369]
[2024-11-08 17:26:32,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:26:32,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:28:40,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:29:02,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 17:29:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:29:02,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 17:29:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:29:03,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 17:29:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:29:04,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2024-11-08 17:29:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:29:04,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2024-11-08 17:29:04,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:29:07,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-08 17:29:07,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:29:07,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11552369]
[2024-11-08 17:29:07,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11552369] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 17:29:07,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595446721]
[2024-11-08 17:29:07,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:29:07,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:29:07,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de43799-e291-485b-9b6f-4686773b3bca/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:29:07,090 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de43799-e291-485b-9b6f-4686773b3bca/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:29:07,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de43799-e291-485b-9b6f-4686773b3bca/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process