./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/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_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/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_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/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 8ccdea72ddab462e9567b7f56695cddd8d47da872c9a3d4b09c71a162ef49999
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 19:03:06,066 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 19:03:06,164 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-08 19:03:06,174 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 19:03:06,174 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 19:03:06,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 19:03:06,227 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 19:03:06,227 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 19:03:06,228 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 19:03:06,228 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 19:03:06,229 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 19:03:06,230 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 19:03:06,230 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 19:03:06,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 19:03:06,232 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 19:03:06,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 19:03:06,233 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 19:03:06,233 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 19:03:06,234 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 19:03:06,234 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 19:03:06,235 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 19:03:06,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 19:03:06,238 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 19:03:06,239 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 19:03:06,239 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 19:03:06,239 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 19:03:06,262 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 19:03:06,262 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 19:03:06,262 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 19:03:06,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 19:03:06,263 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 19:03:06,263 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 19:03:06,264 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 19:03:06,264 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 19:03:06,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 19:03:06,264 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 19:03:06,265 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 19:03:06,265 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 19:03:06,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 19:03:06,269 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_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ccdea72ddab462e9567b7f56695cddd8d47da872c9a3d4b09c71a162ef49999
[2024-11-08 19:03:06,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 19:03:06,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 19:03:06,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 19:03:06,699 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 19:03:06,700 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 19:03:06,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i
Unable to find full path for "g++"
[2024-11-08 19:03:09,141 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 19:03:09,937 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 19:03:09,937 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i
[2024-11-08 19:03:09,999 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/bin/uautomizer-verify-jihMAELWvX/data/d77eef61a/fdb7386794a043388b4fd21b61e3d9a0/FLAG3c478e495
[2024-11-08 19:03:10,236 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/bin/uautomizer-verify-jihMAELWvX/data/d77eef61a/fdb7386794a043388b4fd21b61e3d9a0
[2024-11-08 19:03:10,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 19:03:10,241 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 19:03:10,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 19:03:10,243 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 19:03:10,250 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 19:03:10,251 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:03:10" (1/1) ...
[2024-11-08 19:03:10,253 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d6f7953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:10, skipping insertion in model container
[2024-11-08 19:03:10,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:03:10" (1/1) ...
[2024-11-08 19:03:10,407 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 19:03:10,782 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_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i[4504,4517]
[2024-11-08 19:03:10,793 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_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i[4564,4577]
[2024-11-08 19:03:12,134 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 19:03:12,136 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 19:03:12,137 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 19:03:12,138 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 19:03:12,140 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 19:03:12,162 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 19:03:12,163 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 19:03:12,166 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 19:03:12,167 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 19:03:13,452 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 19:03:13,457 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 19:03:13,576 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 19:03:13,671 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 19:03:13,692 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_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i[4504,4517]
[2024-11-08 19:03:13,693 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_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i[4564,4577]
[2024-11-08 19:03:13,745 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 19:03:13,745 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 19:03:13,745 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 19:03:13,746 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 19:03:13,747 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 19:03:13,757 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 19:03:13,758 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 19:03:13,760 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 19:03:13,761 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 19:03:13,929 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277]
[2024-11-08 19:03:13,932 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 19:03:13,932 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 19:03:13,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__(""
:
: "r"(pBuf)
: "memory"); [8763-8774]
[2024-11-08 19:03:13,969 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 19:03:14,449 INFO L204 MainTranslator]: Completed translation
[2024-11-08 19:03:14,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:14 WrapperNode
[2024-11-08 19:03:14,450 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 19:03:14,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 19:03:14,452 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 19:03:14,452 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 19:03:14,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:14" (1/1) ...
[2024-11-08 19:03:14,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:14" (1/1) ...
[2024-11-08 19:03:14,701 INFO L138 Inliner]: procedures = 680, calls = 2647, calls flagged for inlining = 58, calls inlined = 4, statements flattened = 835
[2024-11-08 19:03:14,702 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 19:03:14,703 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 19:03:14,703 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 19:03:14,703 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 19:03:14,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:14" (1/1) ...
[2024-11-08 19:03:14,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:14" (1/1) ...
[2024-11-08 19:03:14,739 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:14" (1/1) ...
[2024-11-08 19:03:14,834 INFO L175 MemorySlicer]: Split 548 memory accesses to 8 slices as follows [2, 257, 34, 238, 4, 6, 2, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 4, 6, 0, 0, 0, 5]. The 494 writes are split as follows [0, 257, 3, 232, 0, 2, 0, 0].
[2024-11-08 19:03:14,834 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:14" (1/1) ...
[2024-11-08 19:03:14,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:14" (1/1) ...
[2024-11-08 19:03:14,888 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:14" (1/1) ...
[2024-11-08 19:03:14,894 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:14" (1/1) ...
[2024-11-08 19:03:14,903 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:14" (1/1) ...
[2024-11-08 19:03:14,909 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:14" (1/1) ...
[2024-11-08 19:03:14,927 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 19:03:14,932 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 19:03:14,932 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 19:03:14,933 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 19:03:14,934 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:14" (1/1) ...
[2024-11-08 19:03:14,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 19:03:14,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:03:14,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 19:03:14,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 19:03:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid
[2024-11-08 19:03:15,031 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid
[2024-11-08 19:03:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-08 19:03:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool
[2024-11-08 19:03:15,032 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool
[2024-11-08 19:03:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0
[2024-11-08 19:03:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1
[2024-11-08 19:03:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2
[2024-11-08 19:03:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3
[2024-11-08 19:03:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4
[2024-11-08 19:03:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5
[2024-11-08 19:03:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6
[2024-11-08 19:03:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7
[2024-11-08 19:03:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-08 19:03:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-08 19:03:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-11-08 19:03:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3
[2024-11-08 19:03:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4
[2024-11-08 19:03:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5
[2024-11-08 19:03:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6
[2024-11-08 19:03:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7
[2024-11-08 19:03:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded
[2024-11-08 19:03:15,037 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded
[2024-11-08 19:03:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-11-08 19:03:15,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-11-08 19:03:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-08 19:03:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 19:03:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array
[2024-11-08 19:03:15,038 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array
[2024-11-08 19:03:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-11-08 19:03:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-11-08 19:03:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2
[2024-11-08 19:03:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3
[2024-11-08 19:03:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4
[2024-11-08 19:03:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5
[2024-11-08 19:03:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6
[2024-11-08 19:03:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7
[2024-11-08 19:03:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 19:03:15,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 19:03:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc
[2024-11-08 19:03:15,040 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc
[2024-11-08 19:03:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches
[2024-11-08 19:03:15,040 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches
[2024-11-08 19:03:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0
[2024-11-08 19:03:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1
[2024-11-08 19:03:15,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2
[2024-11-08 19:03:15,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3
[2024-11-08 19:03:15,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4
[2024-11-08 19:03:15,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5
[2024-11-08 19:03:15,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6
[2024-11-08 19:03:15,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7
[2024-11-08 19:03:15,043 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-08 19:03:15,044 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-08 19:03:15,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-08 19:03:15,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-11-08 19:03:15,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-11-08 19:03:15,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2
[2024-11-08 19:03:15,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3
[2024-11-08 19:03:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4
[2024-11-08 19:03:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5
[2024-11-08 19:03:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6
[2024-11-08 19:03:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7
[2024-11-08 19:03:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0
[2024-11-08 19:03:15,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1
[2024-11-08 19:03:15,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2
[2024-11-08 19:03:15,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3
[2024-11-08 19:03:15,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4
[2024-11-08 19:03:15,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5
[2024-11-08 19:03:15,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6
[2024-11-08 19:03:15,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7
[2024-11-08 19:03:15,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-08 19:03:15,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-08 19:03:15,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-11-08 19:03:15,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3
[2024-11-08 19:03:15,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4
[2024-11-08 19:03:15,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5
[2024-11-08 19:03:15,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6
[2024-11-08 19:03:15,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7
[2024-11-08 19:03:15,049 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member
[2024-11-08 19:03:15,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member
[2024-11-08 19:03:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lookup
[2024-11-08 19:03:15,050 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lookup
[2024-11-08 19:03:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 19:03:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-08 19:03:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-08 19:03:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3
[2024-11-08 19:03:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4
[2024-11-08 19:03:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5
[2024-11-08 19:03:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6
[2024-11-08 19:03:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7
[2024-11-08 19:03:15,501 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 19:03:15,504 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 19:03:25,960 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live.
[2024-11-08 19:03:25,962 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 19:03:25,982 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 19:03:25,982 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 19:03:25,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:03:25 BoogieIcfgContainer
[2024-11-08 19:03:25,983 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 19:03:25,986 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 19:03:25,986 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 19:03:25,991 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 19:03:25,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:03:10" (1/3) ...
[2024-11-08 19:03:25,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218657c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:03:25, skipping insertion in model container
[2024-11-08 19:03:25,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:03:14" (2/3) ...
[2024-11-08 19:03:25,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218657c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:03:25, skipping insertion in model container
[2024-11-08 19:03:25,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:03:25" (3/3) ...
[2024-11-08 19:03:25,995 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lookup_harness.i
[2024-11-08 19:03:26,020 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 19:03:26,021 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 19:03:26,123 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 19:03:26,132 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;@5146d82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 19:03:26,133 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 19:03:26,139 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 81 states have (on average 1.2592592592592593) internal successors, (102), 82 states have internal predecessors, (102), 41 states have call successors, (41), 10 states have call predecessors, (41), 10 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41)
[2024-11-08 19:03:26,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96
[2024-11-08 19:03:26,154 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:03:26,155 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:03:26,156 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 19:03:26,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:03:26,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1102464858, now seen corresponding path program 1 times
[2024-11-08 19:03:26,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:03:26,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877430414]
[2024-11-08 19:03:26,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:03:26,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:05:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:05:42,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 19:05:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:05:42,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2024-11-08 19:05:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:05:43,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-08 19:05:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:05:43,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 19:05:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:05:43,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-08 19:05:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:05:43,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2024-11-08 19:05:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:05:43,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2024-11-08 19:05:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:05:43,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-08 19:05:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:05:44,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46
[2024-11-08 19:05:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:05:44,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-08 19:05:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:05:44,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-08 19:05:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:05:44,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66
[2024-11-08 19:05:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:05:44,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72
[2024-11-08 19:05:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:05:44,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2024-11-08 19:05:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:05:44,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-08 19:05:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:05:44,119 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked.
[2024-11-08 19:05:44,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:05:44,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877430414]
[2024-11-08 19:05:44,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877430414] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 19:05:44,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142798146]
[2024-11-08 19:05:44,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:05:44,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:05:44,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:05:44,127 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:05:44,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 19:07:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:07:56,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 7742 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-08 19:07:56,433 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:07:57,283 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked.
[2024-11-08 19:07:57,283 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 19:07:57,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1142798146] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:07:57,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 19:07:57,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11
[2024-11-08 19:07:57,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705237146]
[2024-11-08 19:07:57,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:07:57,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 19:07:57,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:07:57,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 19:07:57,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110
[2024-11-08 19:07:57,334 INFO L87 Difference]: Start difference. First operand has 134 states, 81 states have (on average 1.2592592592592593) internal successors, (102), 82 states have internal predecessors, (102), 41 states have call successors, (41), 10 states have call predecessors, (41), 10 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15)
[2024-11-08 19:07:58,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:07:58,749 INFO L93 Difference]: Finished difference Result 267 states and 401 transitions.
[2024-11-08 19:07:58,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 19:07:58,752 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 95
[2024-11-08 19:07:58,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:07:58,766 INFO L225 Difference]: With dead ends: 267
[2024-11-08 19:07:58,766 INFO L226 Difference]: Without dead ends: 131
[2024-11-08 19:07:58,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182
[2024-11-08 19:07:58,786 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 183 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-08 19:07:58,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 394 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-08 19:07:58,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states.
[2024-11-08 19:07:58,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131.
[2024-11-08 19:07:58,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 78 states have (on average 1.2307692307692308) internal successors, (96), 80 states have internal predecessors, (96), 41 states have call successors, (41), 10 states have call predecessors, (41), 11 states have return successors, (48), 40 states have call predecessors, (48), 40 states have call successors, (48)
[2024-11-08 19:07:58,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 185 transitions.
[2024-11-08 19:07:58,890 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 185 transitions. Word has length 95
[2024-11-08 19:07:58,892 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:07:58,893 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 185 transitions.
[2024-11-08 19:07:58,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15)
[2024-11-08 19:07:58,894 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 185 transitions.
[2024-11-08 19:07:58,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98
[2024-11-08 19:07:58,905 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:07:58,905 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 3, 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]
[2024-11-08 19:07:58,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-08 19:07:59,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-11-08 19:07:59,107 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 19:07:59,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:07:59,108 INFO L85 PathProgramCache]: Analyzing trace with hash 465323797, now seen corresponding path program 1 times
[2024-11-08 19:07:59,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:07:59,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853226752]
[2024-11-08 19:07:59,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:07:59,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:10:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:07,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 19:10:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:07,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2024-11-08 19:10:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:07,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-08 19:10:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:07,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 19:10:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:07,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-08 19:10:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:07,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30
[2024-11-08 19:10:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:07,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36
[2024-11-08 19:10:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:07,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42
[2024-11-08 19:10:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:07,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48
[2024-11-08 19:10:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:07,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-08 19:10:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:08,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62
[2024-11-08 19:10:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:08,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68
[2024-11-08 19:10:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:08,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2024-11-08 19:10:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:08,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80
[2024-11-08 19:10:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:08,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2024-11-08 19:10:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:10:08,194 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked.
[2024-11-08 19:10:08,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:10:08,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853226752]
[2024-11-08 19:10:08,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853226752] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 19:10:08,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615229362]
[2024-11-08 19:10:08,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:10:08,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:10:08,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:10:08,199 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:10:08,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-08 19:12:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:12:07,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 7747 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-08 19:12:07,547 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:12:08,770 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked.
[2024-11-08 19:12:08,770 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 19:12:08,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615229362] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:12:08,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 19:12:08,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15
[2024-11-08 19:12:08,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341802839]
[2024-11-08 19:12:08,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:12:08,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-08 19:12:08,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:12:08,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-08 19:12:08,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210
[2024-11-08 19:12:08,774 INFO L87 Difference]: Start difference. First operand 131 states and 185 transitions. Second operand has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15)
[2024-11-08 19:12:10,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:12:10,965 INFO L93 Difference]: Finished difference Result 212 states and 305 transitions.
[2024-11-08 19:12:10,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-08 19:12:10,966 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 97
[2024-11-08 19:12:10,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:12:10,970 INFO L225 Difference]: With dead ends: 212
[2024-11-08 19:12:10,970 INFO L226 Difference]: Without dead ends: 131
[2024-11-08 19:12:10,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380
[2024-11-08 19:12:10,973 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 195 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2024-11-08 19:12:10,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 571 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2024-11-08 19:12:10,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states.
[2024-11-08 19:12:10,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131.
[2024-11-08 19:12:10,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 78 states have (on average 1.2307692307692308) internal successors, (96), 80 states have internal predecessors, (96), 41 states have call successors, (41), 10 states have call predecessors, (41), 11 states have return successors, (45), 40 states have call predecessors, (45), 40 states have call successors, (45)
[2024-11-08 19:12:10,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 182 transitions.
[2024-11-08 19:12:10,997 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 182 transitions. Word has length 97
[2024-11-08 19:12:10,997 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:12:10,998 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 182 transitions.
[2024-11-08 19:12:10,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15)
[2024-11-08 19:12:10,998 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 182 transitions.
[2024-11-08 19:12:11,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102
[2024-11-08 19:12:11,002 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:12:11,002 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 3, 3, 3, 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]
[2024-11-08 19:12:11,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-08 19:12:11,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:12:11,203 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 19:12:11,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:12:11,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1820021835, now seen corresponding path program 2 times
[2024-11-08 19:12:11,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:12:11,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143315825]
[2024-11-08 19:12:11,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:12:11,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:14:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:14,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 19:14:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:14,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2024-11-08 19:14:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:14,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-08 19:14:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:14,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 19:14:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:14,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-08 19:14:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:14,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30
[2024-11-08 19:14:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:14,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36
[2024-11-08 19:14:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:14,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42
[2024-11-08 19:14:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:14,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48
[2024-11-08 19:14:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:14,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-08 19:14:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:14,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64
[2024-11-08 19:14:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:14,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70
[2024-11-08 19:14:14,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:15,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2024-11-08 19:14:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:15,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2024-11-08 19:14:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:15,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2024-11-08 19:14:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:14:15,255 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked.
[2024-11-08 19:14:15,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:14:15,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143315825]
[2024-11-08 19:14:15,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143315825] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 19:14:15,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405707286]
[2024-11-08 19:14:15,256 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-08 19:14:15,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:14:15,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:14:15,259 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:14:15,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-08 19:16:09,469 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-08 19:16:09,469 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-08 19:16:09,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 7419 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-08 19:16:09,517 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:16:10,513 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked.
[2024-11-08 19:16:10,514 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 19:16:10,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405707286] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:16:10,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 19:16:10,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15
[2024-11-08 19:16:10,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664467790]
[2024-11-08 19:16:10,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:16:10,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-08 19:16:10,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:16:10,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-08 19:16:10,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210
[2024-11-08 19:16:10,518 INFO L87 Difference]: Start difference. First operand 131 states and 182 transitions. Second operand has 8 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15)
[2024-11-08 19:16:11,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:16:11,264 INFO L93 Difference]: Finished difference Result 143 states and 203 transitions.
[2024-11-08 19:16:11,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-08 19:16:11,267 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 101
[2024-11-08 19:16:11,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:16:11,271 INFO L225 Difference]: With dead ends: 143
[2024-11-08 19:16:11,271 INFO L226 Difference]: Without dead ends: 141
[2024-11-08 19:16:11,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240
[2024-11-08 19:16:11,273 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 3 mSDsluCounter, 1042 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1219 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-08 19:16:11,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1219 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-08 19:16:11,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states.
[2024-11-08 19:16:11,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 140.
[2024-11-08 19:16:11,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 84 states have (on average 1.2142857142857142) internal successors, (102), 87 states have internal predecessors, (102), 42 states have call successors, (42), 11 states have call predecessors, (42), 13 states have return successors, (56), 41 states have call predecessors, (56), 41 states have call successors, (56)
[2024-11-08 19:16:11,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 200 transitions.
[2024-11-08 19:16:11,299 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 200 transitions. Word has length 101
[2024-11-08 19:16:11,300 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:16:11,300 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 200 transitions.
[2024-11-08 19:16:11,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15)
[2024-11-08 19:16:11,301 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 200 transitions.
[2024-11-08 19:16:11,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2024-11-08 19:16:11,303 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:16:11,303 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 3, 3, 3, 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]
[2024-11-08 19:16:11,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-08 19:16:11,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9d87b8-5966-41f4-bd8a-3b6404d9753b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:16:11,504 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 19:16:11,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:16:11,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1450915870, now seen corresponding path program 1 times
[2024-11-08 19:16:11,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:16:11,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778286678]
[2024-11-08 19:16:11,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:16:11,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms