./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.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_9e78038e-1f03-4695-b7d9-55583db43154/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78038e-1f03-4695-b7d9-55583db43154/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_9e78038e-1f03-4695-b7d9-55583db43154/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78038e-1f03-4695-b7d9-55583db43154/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78038e-1f03-4695-b7d9-55583db43154/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_9e78038e-1f03-4695-b7d9-55583db43154/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 405c1ec90d5a90e81495140f9bf47a8a22bd7e0c555d7b6deaec7143608df286
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 16:30:05,937 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 16:30:06,024 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78038e-1f03-4695-b7d9-55583db43154/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-08 16:30:06,029 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 16:30:06,030 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 16:30:06,058 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 16:30:06,058 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 16:30:06,059 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 16:30:06,059 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 16:30:06,060 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 16:30:06,060 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 16:30:06,060 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 16:30:06,061 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 16:30:06,061 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 16:30:06,062 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 16:30:06,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 16:30:06,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 16:30:06,063 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 16:30:06,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 16:30:06,063 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 16:30:06,064 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 16:30:06,066 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 16:30:06,067 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 16:30:06,075 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 16:30:06,075 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 16:30:06,076 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 16:30:06,076 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 16:30:06,077 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 16:30:06,077 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 16:30:06,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:30:06,078 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 16:30:06,078 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 16:30:06,079 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 16:30:06,079 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 16:30:06,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 16:30:06,080 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 16:30:06,080 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 16:30:06,081 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 16:30:06,081 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 16:30:06,081 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_9e78038e-1f03-4695-b7d9-55583db43154/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78038e-1f03-4695-b7d9-55583db43154/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 405c1ec90d5a90e81495140f9bf47a8a22bd7e0c555d7b6deaec7143608df286
[2024-11-08 16:30:06,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 16:30:06,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 16:30:06,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 16:30:06,408 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 16:30:06,409 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 16:30:06,410 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78038e-1f03-4695-b7d9-55583db43154/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i
Unable to find full path for "g++"
[2024-11-08 16:30:08,378 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 16:30:08,908 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 16:30:08,909 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78038e-1f03-4695-b7d9-55583db43154/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i
[2024-11-08 16:30:08,953 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78038e-1f03-4695-b7d9-55583db43154/bin/uautomizer-verify-jihMAELWvX/data/71fa2b37c/df0a4243910844df91003b483f74ef99/FLAG93fa15431
[2024-11-08 16:30:08,973 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78038e-1f03-4695-b7d9-55583db43154/bin/uautomizer-verify-jihMAELWvX/data/71fa2b37c/df0a4243910844df91003b483f74ef99
[2024-11-08 16:30:08,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 16:30:08,977 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 16:30:08,978 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 16:30:08,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 16:30:08,984 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 16:30:08,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:30:08" (1/1) ...
[2024-11-08 16:30:08,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c23f2d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:08, skipping insertion in model container
[2024-11-08 16:30:08,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:30:08" (1/1) ...
[2024-11-08 16:30:09,130 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 16:30:09,493 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_9e78038e-1f03-4695-b7d9-55583db43154/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i[4490,4503]
[2024-11-08 16:30:09,502 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_9e78038e-1f03-4695-b7d9-55583db43154/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i[4550,4563]
[2024-11-08 16:30:10,608 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 16:30:10,609 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 16:30:10,609 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 16:30:10,610 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 16:30:10,612 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 16:30:10,628 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 16:30:10,629 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 16:30:10,632 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 16:30:10,633 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 16:30:11,773 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 16:30:11,774 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 16:30:11,866 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:30:11,938 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 16:30:11,954 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_9e78038e-1f03-4695-b7d9-55583db43154/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i[4490,4503]
[2024-11-08 16:30:11,955 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_9e78038e-1f03-4695-b7d9-55583db43154/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i[4550,4563]
[2024-11-08 16:30:12,020 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 16:30:12,021 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 16:30:12,021 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 16:30:12,022 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 16:30:12,022 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 16:30:12,032 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 16:30:12,033 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 16:30:12,035 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 16:30:12,036 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 16:30:12,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245]
[2024-11-08 16:30:12,189 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 16:30:12,189 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 16:30:12,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__(""
:
: "r"(pBuf)
: "memory"); [8731-8742]
[2024-11-08 16:30:12,284 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:30:12,541 INFO L204 MainTranslator]: Completed translation
[2024-11-08 16:30:12,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:12 WrapperNode
[2024-11-08 16:30:12,542 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 16:30:12,544 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 16:30:12,544 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 16:30:12,547 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 16:30:12,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:12" (1/1) ...
[2024-11-08 16:30:12,742 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:12" (1/1) ...
[2024-11-08 16:30:12,850 INFO L138 Inliner]: procedures = 680, calls = 2722, calls flagged for inlining = 59, calls inlined = 8, statements flattened = 1085
[2024-11-08 16:30:12,851 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 16:30:12,852 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 16:30:12,852 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 16:30:12,852 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 16:30:12,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:12" (1/1) ...
[2024-11-08 16:30:12,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:12" (1/1) ...
[2024-11-08 16:30:12,881 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:12" (1/1) ...
[2024-11-08 16:30:12,997 INFO L175 MemorySlicer]: Split 627 memory accesses to 8 slices as follows [257, 2, 246, 87, 4, 17, 6, 8]. 41 percent of accesses are in the largest equivalence class. The 47 initializations are split as follows [0, 2, 11, 28, 0, 2, 0, 4]. The 500 writes are split as follows [257, 0, 233, 3, 3, 2, 2, 0].
[2024-11-08 16:30:13,001 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:12" (1/1) ...
[2024-11-08 16:30:13,002 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:12" (1/1) ...
[2024-11-08 16:30:13,052 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:12" (1/1) ...
[2024-11-08 16:30:13,065 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:12" (1/1) ...
[2024-11-08 16:30:13,084 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:12" (1/1) ...
[2024-11-08 16:30:13,097 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:12" (1/1) ...
[2024-11-08 16:30:13,112 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 16:30:13,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 16:30:13,113 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 16:30:13,113 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 16:30:13,114 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:12" (1/1) ...
[2024-11-08 16:30:13,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:30:13,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78038e-1f03-4695-b7d9-55583db43154/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:30:13,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78038e-1f03-4695-b7d9-55583db43154/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 16:30:13,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78038e-1f03-4695-b7d9-55583db43154/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 16:30:13,185 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid
[2024-11-08 16:30:13,186 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid
[2024-11-08 16:30:13,187 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid
[2024-11-08 16:30:13,187 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid
[2024-11-08 16:30:13,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-08 16:30:13,188 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool
[2024-11-08 16:30:13,188 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool
[2024-11-08 16:30:13,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0
[2024-11-08 16:30:13,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1
[2024-11-08 16:30:13,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2
[2024-11-08 16:30:13,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3
[2024-11-08 16:30:13,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4
[2024-11-08 16:30:13,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5
[2024-11-08 16:30:13,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6
[2024-11-08 16:30:13,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7
[2024-11-08 16:30:13,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0
[2024-11-08 16:30:13,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1
[2024-11-08 16:30:13,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2
[2024-11-08 16:30:13,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3
[2024-11-08 16:30:13,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4
[2024-11-08 16:30:13,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5
[2024-11-08 16:30:13,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6
[2024-11-08 16:30:13,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7
[2024-11-08 16:30:13,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0
[2024-11-08 16:30:13,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1
[2024-11-08 16:30:13,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2
[2024-11-08 16:30:13,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3
[2024-11-08 16:30:13,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4
[2024-11-08 16:30:13,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5
[2024-11-08 16:30:13,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6
[2024-11-08 16:30:13,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7
[2024-11-08 16:30:13,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-08 16:30:13,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-08 16:30:13,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-11-08 16:30:13,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3
[2024-11-08 16:30:13,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4
[2024-11-08 16:30:13,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5
[2024-11-08 16:30:13,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6
[2024-11-08 16:30:13,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7
[2024-11-08 16:30:13,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0
[2024-11-08 16:30:13,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1
[2024-11-08 16:30:13,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2
[2024-11-08 16:30:13,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3
[2024-11-08 16:30:13,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4
[2024-11-08 16:30:13,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5
[2024-11-08 16:30:13,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6
[2024-11-08 16:30:13,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7
[2024-11-08 16:30:13,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0
[2024-11-08 16:30:13,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1
[2024-11-08 16:30:13,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2
[2024-11-08 16:30:13,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3
[2024-11-08 16:30:13,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4
[2024-11-08 16:30:13,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5
[2024-11-08 16:30:13,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6
[2024-11-08 16:30:13,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7
[2024-11-08 16:30:13,194 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error
[2024-11-08 16:30:13,194 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error
[2024-11-08 16:30:13,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-11-08 16:30:13,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-11-08 16:30:13,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-08 16:30:13,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 16:30:13,196 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array
[2024-11-08 16:30:13,196 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array
[2024-11-08 16:30:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-11-08 16:30:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-11-08 16:30:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2
[2024-11-08 16:30:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3
[2024-11-08 16:30:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4
[2024-11-08 16:30:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5
[2024-11-08 16:30:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6
[2024-11-08 16:30:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7
[2024-11-08 16:30:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member
[2024-11-08 16:30:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member
[2024-11-08 16:30:13,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 16:30:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 16:30:13,199 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc
[2024-11-08 16:30:13,199 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc
[2024-11-08 16:30:13,199 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches
[2024-11-08 16:30:13,199 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches
[2024-11-08 16:30:13,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0
[2024-11-08 16:30:13,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1
[2024-11-08 16:30:13,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2
[2024-11-08 16:30:13,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3
[2024-11-08 16:30:13,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4
[2024-11-08 16:30:13,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5
[2024-11-08 16:30:13,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6
[2024-11-08 16:30:13,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7
[2024-11-08 16:30:13,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0
[2024-11-08 16:30:13,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1
[2024-11-08 16:30:13,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2
[2024-11-08 16:30:13,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3
[2024-11-08 16:30:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4
[2024-11-08 16:30:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5
[2024-11-08 16:30:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6
[2024-11-08 16:30:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7
[2024-11-08 16:30:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-08 16:30:13,201 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-08 16:30:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-08 16:30:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-11-08 16:30:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-11-08 16:30:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2
[2024-11-08 16:30:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3
[2024-11-08 16:30:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4
[2024-11-08 16:30:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5
[2024-11-08 16:30:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6
[2024-11-08 16:30:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7
[2024-11-08 16:30:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0
[2024-11-08 16:30:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1
[2024-11-08 16:30:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2
[2024-11-08 16:30:13,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3
[2024-11-08 16:30:13,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4
[2024-11-08 16:30:13,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5
[2024-11-08 16:30:13,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6
[2024-11-08 16:30:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7
[2024-11-08 16:30:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator
[2024-11-08 16:30:13,204 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator
[2024-11-08 16:30:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded
[2024-11-08 16:30:13,204 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded
[2024-11-08 16:30:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-08 16:30:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-08 16:30:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-11-08 16:30:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3
[2024-11-08 16:30:13,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4
[2024-11-08 16:30:13,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5
[2024-11-08 16:30:13,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6
[2024-11-08 16:30:13,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7
[2024-11-08 16:30:13,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0
[2024-11-08 16:30:13,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1
[2024-11-08 16:30:13,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2
[2024-11-08 16:30:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3
[2024-11-08 16:30:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4
[2024-11-08 16:30:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5
[2024-11-08 16:30:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6
[2024-11-08 16:30:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7
[2024-11-08 16:30:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence
[2024-11-08 16:30:13,207 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence
[2024-11-08 16:30:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 16:30:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-08 16:30:13,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-08 16:30:13,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3
[2024-11-08 16:30:13,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4
[2024-11-08 16:30:13,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5
[2024-11-08 16:30:13,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6
[2024-11-08 16:30:13,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7
[2024-11-08 16:30:13,731 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 16:30:13,734 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 16:30:24,721 INFO L? ?]: Removed 231 outVars from TransFormulas that were not future-live.
[2024-11-08 16:30:24,721 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 16:30:24,745 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 16:30:24,746 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 16:30:24,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:30:24 BoogieIcfgContainer
[2024-11-08 16:30:24,746 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 16:30:24,750 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 16:30:24,751 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 16:30:24,754 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 16:30:24,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:30:08" (1/3) ...
[2024-11-08 16:30:24,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e94cfc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:30:24, skipping insertion in model container
[2024-11-08 16:30:24,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:12" (2/3) ...
[2024-11-08 16:30:24,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e94cfc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:30:24, skipping insertion in model container
[2024-11-08 16:30:24,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:30:24" (3/3) ...
[2024-11-08 16:30:24,759 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_cat_harness_negated.i
[2024-11-08 16:30:24,778 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 16:30:24,779 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 16:30:24,875 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 16:30:24,885 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;@59cc0df6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 16:30:24,885 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 16:30:24,890 INFO L276 IsEmpty]: Start isEmpty. Operand has 211 states, 123 states have (on average 1.2276422764227641) internal successors, (151), 124 states have internal predecessors, (151), 72 states have call successors, (72), 14 states have call predecessors, (72), 14 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72)
[2024-11-08 16:30:24,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213
[2024-11-08 16:30:24,908 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 16:30:24,909 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:30:24,910 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 16:30:24,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:30:24,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1332133103, now seen corresponding path program 1 times
[2024-11-08 16:30:24,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:30:24,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463950256]
[2024-11-08 16:30:24,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:30:24,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:32:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:29,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 16:32:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:29,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2024-11-08 16:32:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:29,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-08 16:32:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:29,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:32:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:29,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 16:32:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:29,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:32:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:29,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2024-11-08 16:32:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:29,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2024-11-08 16:32:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:29,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-08 16:32:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:29,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 16:32:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:29,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55
[2024-11-08 16:32:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:29,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:32:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:29,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 16:32:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:29,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:32:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:29,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2024-11-08 16:32:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:29,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2024-11-08 16:32:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:29,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2024-11-08 16:32:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:29,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92
[2024-11-08 16:32:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:29,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-08 16:32:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:29,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:32:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:29,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 16:32:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:30,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:32:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:30,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119
[2024-11-08 16:32:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:30,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125
[2024-11-08 16:32:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:30,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2024-11-08 16:32:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:30,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:32:30,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:30,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 16:32:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:30,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:32:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:30,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152
[2024-11-08 16:32:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:30,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158
[2024-11-08 16:32:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:30,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164
[2024-11-08 16:32:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:30,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170
[2024-11-08 16:32:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:30,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176
[2024-11-08 16:32:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:30,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182
[2024-11-08 16:32:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:30,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188
[2024-11-08 16:32:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:30,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194
[2024-11-08 16:32:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:30,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202
[2024-11-08 16:32:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:32:30,439 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked.
[2024-11-08 16:32:30,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:32:30,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463950256]
[2024-11-08 16:32:30,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463950256] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:32:30,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:32:30,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 16:32:30,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15163166]
[2024-11-08 16:32:30,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:32:30,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 16:32:30,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:32:30,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 16:32:30,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-08 16:32:30,492 INFO L87 Difference]: Start difference. First operand has 211 states, 123 states have (on average 1.2276422764227641) internal successors, (151), 124 states have internal predecessors, (151), 72 states have call successors, (72), 14 states have call predecessors, (72), 14 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (29), 5 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-08 16:32:34,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-08 16:32:39,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-08 16:32:44,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 16:32:44,373 INFO L93 Difference]: Finished difference Result 424 states and 641 transitions.
[2024-11-08 16:32:44,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 16:32:44,376 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (29), 5 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 212
[2024-11-08 16:32:44,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 16:32:44,389 INFO L225 Difference]: With dead ends: 424
[2024-11-08 16:32:44,389 INFO L226 Difference]: Without dead ends: 212
[2024-11-08 16:32:44,395 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2024-11-08 16:32:44,399 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 285 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 243 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time
[2024-11-08 16:32:44,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 270 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 270 Invalid, 2 Unknown, 0 Unchecked, 13.2s Time]
[2024-11-08 16:32:44,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states.
[2024-11-08 16:32:44,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 206.
[2024-11-08 16:32:44,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 119 states have (on average 1.218487394957983) internal successors, (145), 120 states have internal predecessors, (145), 72 states have call successors, (72), 14 states have call predecessors, (72), 14 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71)
[2024-11-08 16:32:44,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 288 transitions.
[2024-11-08 16:32:44,485 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 288 transitions. Word has length 212
[2024-11-08 16:32:44,486 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 16:32:44,486 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 288 transitions.
[2024-11-08 16:32:44,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (29), 5 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-08 16:32:44,487 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 288 transitions.
[2024-11-08 16:32:44,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213
[2024-11-08 16:32:44,492 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 16:32:44,493 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:32:44,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 16:32:44,494 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 16:32:44,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:32:44,494 INFO L85 PathProgramCache]: Analyzing trace with hash -53413717, now seen corresponding path program 1 times
[2024-11-08 16:32:44,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:32:44,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158192343]
[2024-11-08 16:32:44,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:32:44,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:34:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:52,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 16:34:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:52,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2024-11-08 16:34:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:53,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-08 16:34:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:53,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:34:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:53,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 16:34:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:53,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:34:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:53,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2024-11-08 16:34:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:53,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2024-11-08 16:34:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:53,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-08 16:34:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:53,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 16:34:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:53,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55
[2024-11-08 16:34:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:53,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:34:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:53,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 16:34:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:53,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:34:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:53,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2024-11-08 16:34:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:53,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2024-11-08 16:34:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:53,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2024-11-08 16:34:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:53,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92
[2024-11-08 16:34:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:53,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-08 16:34:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:53,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:34:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:53,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 16:34:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:53,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:34:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:53,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119
[2024-11-08 16:34:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:53,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125
[2024-11-08 16:34:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:53,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2024-11-08 16:34:53,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:53,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:34:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:54,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 16:34:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:54,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:34:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:54,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152
[2024-11-08 16:34:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:54,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158
[2024-11-08 16:34:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:54,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164
[2024-11-08 16:34:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:54,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170
[2024-11-08 16:34:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:54,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176
[2024-11-08 16:34:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:54,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182
[2024-11-08 16:34:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:54,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188
[2024-11-08 16:34:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:54,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194
[2024-11-08 16:34:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:54,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202
[2024-11-08 16:34:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:34:54,289 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked.
[2024-11-08 16:34:54,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:34:54,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158192343]
[2024-11-08 16:34:54,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158192343] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 16:34:54,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634848892]
[2024-11-08 16:34:54,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:34:54,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:34:54,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78038e-1f03-4695-b7d9-55583db43154/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:34:54,293 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78038e-1f03-4695-b7d9-55583db43154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 16:34:54,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78038e-1f03-4695-b7d9-55583db43154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 16:36:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:36:39,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 8435 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-08 16:36:40,009 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 16:36:40,936 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked.
[2024-11-08 16:36:40,936 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 16:36:40,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634848892] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:36:40,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 16:36:40,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12
[2024-11-08 16:36:40,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634522012]
[2024-11-08 16:36:40,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:36:40,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 16:36:40,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:36:40,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 16:36:40,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132
[2024-11-08 16:36:40,940 INFO L87 Difference]: Start difference. First operand 206 states and 288 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31)
[2024-11-08 16:36:43,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 16:36:43,636 INFO L93 Difference]: Finished difference Result 408 states and 582 transitions.
[2024-11-08 16:36:43,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 16:36:43,637 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 212
[2024-11-08 16:36:43,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 16:36:43,641 INFO L225 Difference]: With dead ends: 408
[2024-11-08 16:36:43,641 INFO L226 Difference]: Without dead ends: 209
[2024-11-08 16:36:43,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210
[2024-11-08 16:36:43,644 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 275 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2024-11-08 16:36:43,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 588 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2024-11-08 16:36:43,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states.
[2024-11-08 16:36:43,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209.
[2024-11-08 16:36:43,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 121 states have (on average 1.2148760330578512) internal successors, (147), 123 states have internal predecessors, (147), 72 states have call successors, (72), 14 states have call predecessors, (72), 15 states have return successors, (84), 71 states have call predecessors, (84), 71 states have call successors, (84)
[2024-11-08 16:36:43,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 303 transitions.
[2024-11-08 16:36:43,680 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 303 transitions. Word has length 212
[2024-11-08 16:36:43,681 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 16:36:43,681 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 303 transitions.
[2024-11-08 16:36:43,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31)
[2024-11-08 16:36:43,681 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 303 transitions.
[2024-11-08 16:36:43,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219
[2024-11-08 16:36:43,686 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 16:36:43,686 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:36:43,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78038e-1f03-4695-b7d9-55583db43154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-08 16:36:43,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78038e-1f03-4695-b7d9-55583db43154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:36:43,887 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 16:36:43,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:36:43,888 INFO L85 PathProgramCache]: Analyzing trace with hash -806380736, now seen corresponding path program 1 times
[2024-11-08 16:36:43,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:36:43,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131799844]
[2024-11-08 16:36:43,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:36:43,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:38:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:28,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 16:38:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:28,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2024-11-08 16:38:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:29,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-08 16:38:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:29,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:38:29,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:29,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 16:38:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:29,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:38:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:29,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2024-11-08 16:38:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:29,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-08 16:38:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:29,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2024-11-08 16:38:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:29,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55
[2024-11-08 16:38:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:29,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2024-11-08 16:38:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:29,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:38:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:29,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 16:38:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:29,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:38:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:29,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2024-11-08 16:38:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:30,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2024-11-08 16:38:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:30,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2024-11-08 16:38:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:30,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-08 16:38:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:30,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2024-11-08 16:38:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:30,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:38:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:30,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 16:38:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:30,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:38:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:30,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125
[2024-11-08 16:38:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:30,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2024-11-08 16:38:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:30,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137
[2024-11-08 16:38:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:30,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:38:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:30,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 16:38:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:30,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:38:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:30,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158
[2024-11-08 16:38:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:30,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164
[2024-11-08 16:38:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:30,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170
[2024-11-08 16:38:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:30,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176
[2024-11-08 16:38:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:30,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182
[2024-11-08 16:38:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:30,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188
[2024-11-08 16:38:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:30,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194
[2024-11-08 16:38:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:30,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200
[2024-11-08 16:38:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:30,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208
[2024-11-08 16:38:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:38:30,511 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked.
[2024-11-08 16:38:30,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:38:30,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131799844]
[2024-11-08 16:38:30,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131799844] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 16:38:30,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020228759]
[2024-11-08 16:38:30,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:38:30,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:38:30,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78038e-1f03-4695-b7d9-55583db43154/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:38:30,515 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78038e-1f03-4695-b7d9-55583db43154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 16:38:30,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78038e-1f03-4695-b7d9-55583db43154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-08 16:40:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:40:17,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 8452 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-08 16:40:17,021 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 16:40:18,118 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked.
[2024-11-08 16:40:18,118 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 16:40:18,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020228759] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:40:18,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 16:40:18,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12
[2024-11-08 16:40:18,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154260067]
[2024-11-08 16:40:18,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:40:18,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 16:40:18,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:40:18,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 16:40:18,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132
[2024-11-08 16:40:18,161 INFO L87 Difference]: Start difference. First operand 209 states and 303 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31)
[2024-11-08 16:40:20,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 16:40:20,906 INFO L93 Difference]: Finished difference Result 404 states and 582 transitions.
[2024-11-08 16:40:20,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 16:40:20,907 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 218
[2024-11-08 16:40:20,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 16:40:20,911 INFO L225 Difference]: With dead ends: 404
[2024-11-08 16:40:20,911 INFO L226 Difference]: Without dead ends: 209
[2024-11-08 16:40:20,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210
[2024-11-08 16:40:20,913 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 273 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2024-11-08 16:40:20,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 588 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2024-11-08 16:40:20,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states.
[2024-11-08 16:40:20,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209.
[2024-11-08 16:40:20,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 121 states have (on average 1.2148760330578512) internal successors, (147), 123 states have internal predecessors, (147), 72 states have call successors, (72), 14 states have call predecessors, (72), 15 states have return successors, (82), 71 states have call predecessors, (82), 71 states have call successors, (82)
[2024-11-08 16:40:20,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 301 transitions.
[2024-11-08 16:40:20,945 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 301 transitions. Word has length 218
[2024-11-08 16:40:20,945 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 16:40:20,945 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 301 transitions.
[2024-11-08 16:40:20,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31)
[2024-11-08 16:40:20,946 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 301 transitions.
[2024-11-08 16:40:20,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225
[2024-11-08 16:40:20,950 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 16:40:20,950 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:40:20,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78038e-1f03-4695-b7d9-55583db43154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-08 16:40:21,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78038e-1f03-4695-b7d9-55583db43154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:40:21,151 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 16:40:21,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:40:21,151 INFO L85 PathProgramCache]: Analyzing trace with hash 777505227, now seen corresponding path program 2 times
[2024-11-08 16:40:21,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:40:21,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076051233]
[2024-11-08 16:40:21,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:40:21,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:42:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:17,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 16:42:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:17,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2024-11-08 16:42:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:17,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-08 16:42:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:17,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:42:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:17,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 16:42:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:17,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:42:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:17,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2024-11-08 16:42:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:17,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-08 16:42:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:17,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2024-11-08 16:42:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:17,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55
[2024-11-08 16:42:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:17,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2024-11-08 16:42:17,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:17,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:42:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:17,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 16:42:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:17,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:42:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:17,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2024-11-08 16:42:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:17,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2024-11-08 16:42:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:17,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2024-11-08 16:42:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:17,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2024-11-08 16:42:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:17,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110
[2024-11-08 16:42:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:17,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:42:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:17,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 16:42:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:17,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:42:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:17,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2024-11-08 16:42:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:18,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137
[2024-11-08 16:42:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:18,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143
[2024-11-08 16:42:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:18,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:42:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:18,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 16:42:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:18,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 16:42:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:18,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164
[2024-11-08 16:42:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:18,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170
[2024-11-08 16:42:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:18,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176
[2024-11-08 16:42:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:18,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182
[2024-11-08 16:42:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:18,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188
[2024-11-08 16:42:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:18,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194
[2024-11-08 16:42:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:18,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200
[2024-11-08 16:42:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:18,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206
[2024-11-08 16:42:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:18,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214
[2024-11-08 16:42:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:42:18,462 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked.
[2024-11-08 16:42:18,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:42:18,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076051233]
[2024-11-08 16:42:18,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076051233] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 16:42:18,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817536779]
[2024-11-08 16:42:18,465 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-08 16:42:18,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:42:18,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78038e-1f03-4695-b7d9-55583db43154/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:42:18,470 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78038e-1f03-4695-b7d9-55583db43154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 16:42:18,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78038e-1f03-4695-b7d9-55583db43154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process