./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.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_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/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_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/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_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/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 57a18073b2c44f50c41075cb58c545f11651aa11bf22ee68e7e7b5aa1590e494
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 17:28:21,674 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 17:28:21,764 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-08 17:28:21,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 17:28:21,774 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 17:28:21,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 17:28:21,814 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 17:28:21,814 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 17:28:21,815 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 17:28:21,815 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 17:28:21,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 17:28:21,816 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 17:28:21,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 17:28:21,820 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 17:28:21,820 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 17:28:21,821 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 17:28:21,822 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 17:28:21,822 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 17:28:21,823 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 17:28:21,823 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 17:28:21,824 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 17:28:21,828 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 17:28:21,828 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 17:28:21,828 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 17:28:21,829 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 17:28:21,829 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 17:28:21,829 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 17:28:21,830 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 17:28:21,830 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 17:28:21,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:28:21,831 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 17:28:21,831 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 17:28:21,831 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 17:28:21,831 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 17:28:21,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 17:28:21,833 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 17:28:21,834 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 17:28:21,834 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 17:28:21,834 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 17:28:21,834 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_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57a18073b2c44f50c41075cb58c545f11651aa11bf22ee68e7e7b5aa1590e494
[2024-11-08 17:28:22,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 17:28:22,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 17:28:22,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 17:28:22,175 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 17:28:22,176 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 17:28:22,177 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i
Unable to find full path for "g++"
[2024-11-08 17:28:24,208 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 17:28:24,750 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 17:28:24,750 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i
[2024-11-08 17:28:24,795 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/bin/uautomizer-verify-jihMAELWvX/data/a931ad62e/90ec1d45d44e42b88397f63cf1b9604b/FLAG8c6048f2e
[2024-11-08 17:28:25,269 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/bin/uautomizer-verify-jihMAELWvX/data/a931ad62e/90ec1d45d44e42b88397f63cf1b9604b
[2024-11-08 17:28:25,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 17:28:25,274 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 17:28:25,275 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 17:28:25,276 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 17:28:25,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 17:28:25,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:28:25" (1/1) ...
[2024-11-08 17:28:25,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a044e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:25, skipping insertion in model container
[2024-11-08 17:28:25,287 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:28:25" (1/1) ...
[2024-11-08 17:28:25,414 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 17:28:25,753 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_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i[4497,4510]
[2024-11-08 17:28:25,765 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_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i[4557,4570]
[2024-11-08 17:28:26,882 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:28:26,883 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:28:26,884 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:28:26,889 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:28:26,890 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:28:26,919 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:28:26,920 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:28:26,923 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:28:26,924 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:28:27,861 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:28:27,866 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:28:27,970 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:28:28,053 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 17:28:28,073 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_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i[4497,4510]
[2024-11-08 17:28:28,074 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_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i[4557,4570]
[2024-11-08 17:28:28,126 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:28:28,127 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:28:28,127 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:28:28,128 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:28:28,129 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:28:28,141 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:28:28,142 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:28:28,147 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:28:28,147 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:28:28,340 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259]
[2024-11-08 17:28:28,342 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:28:28,343 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:28:28,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__(""
:
: "r"(pBuf)
: "memory"); [8745-8756]
[2024-11-08 17:28:28,379 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:28:28,698 INFO L204 MainTranslator]: Completed translation
[2024-11-08 17:28:28,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:28 WrapperNode
[2024-11-08 17:28:28,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 17:28:28,701 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 17:28:28,701 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 17:28:28,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 17:28:28,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:28" (1/1) ...
[2024-11-08 17:28:28,810 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:28" (1/1) ...
[2024-11-08 17:28:28,882 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 882
[2024-11-08 17:28:28,883 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 17:28:28,884 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 17:28:28,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 17:28:28,884 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 17:28:28,898 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:28" (1/1) ...
[2024-11-08 17:28:28,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:28" (1/1) ...
[2024-11-08 17:28:28,909 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:28" (1/1) ...
[2024-11-08 17:28:28,976 INFO L175 MemorySlicer]: Split 562 memory accesses to 7 slices as follows [2, 257, 238, 4, 6, 47, 8]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 0, 0, 8, 5]. The 497 writes are split as follows [0, 257, 232, 2, 2, 3, 1].
[2024-11-08 17:28:28,976 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:28" (1/1) ...
[2024-11-08 17:28:28,977 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:28" (1/1) ...
[2024-11-08 17:28:29,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:28" (1/1) ...
[2024-11-08 17:28:29,019 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:28" (1/1) ...
[2024-11-08 17:28:29,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:28" (1/1) ...
[2024-11-08 17:28:29,045 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:28" (1/1) ...
[2024-11-08 17:28:29,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 17:28:29,070 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 17:28:29,070 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 17:28:29,070 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 17:28:29,071 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:28" (1/1) ...
[2024-11-08 17:28:29,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:28:29,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:28:29,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 17:28:29,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 17:28:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid
[2024-11-08 17:28:29,146 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid
[2024-11-08 17:28:29,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-08 17:28:29,148 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool
[2024-11-08 17:28:29,149 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool
[2024-11-08 17:28:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0
[2024-11-08 17:28:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1
[2024-11-08 17:28:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2
[2024-11-08 17:28:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3
[2024-11-08 17:28:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4
[2024-11-08 17:28:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5
[2024-11-08 17:28:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6
[2024-11-08 17:28:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-08 17:28:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-08 17:28:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-11-08 17:28:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3
[2024-11-08 17:28:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4
[2024-11-08 17:28:29,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5
[2024-11-08 17:28:29,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6
[2024-11-08 17:28:29,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-11-08 17:28:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-11-08 17:28:29,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-08 17:28:29,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 17:28:29,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-11-08 17:28:29,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-11-08 17:28:29,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2
[2024-11-08 17:28:29,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3
[2024-11-08 17:28:29,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4
[2024-11-08 17:28:29,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5
[2024-11-08 17:28:29,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6
[2024-11-08 17:28:29,153 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl
[2024-11-08 17:28:29,153 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl
[2024-11-08 17:28:29,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 17:28:29,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 17:28:29,153 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc
[2024-11-08 17:28:29,153 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc
[2024-11-08 17:28:29,207 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches
[2024-11-08 17:28:29,207 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches
[2024-11-08 17:28:29,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0
[2024-11-08 17:28:29,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1
[2024-11-08 17:28:29,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2
[2024-11-08 17:28:29,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3
[2024-11-08 17:28:29,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4
[2024-11-08 17:28:29,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5
[2024-11-08 17:28:29,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6
[2024-11-08 17:28:29,208 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-08 17:28:29,208 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-08 17:28:29,208 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy
[2024-11-08 17:28:29,208 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy
[2024-11-08 17:28:29,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-08 17:28:29,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-11-08 17:28:29,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-11-08 17:28:29,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2
[2024-11-08 17:28:29,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3
[2024-11-08 17:28:29,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4
[2024-11-08 17:28:29,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5
[2024-11-08 17:28:29,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6
[2024-11-08 17:28:29,209 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write
[2024-11-08 17:28:29,209 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write
[2024-11-08 17:28:29,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0
[2024-11-08 17:28:29,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1
[2024-11-08 17:28:29,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2
[2024-11-08 17:28:29,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3
[2024-11-08 17:28:29,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4
[2024-11-08 17:28:29,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5
[2024-11-08 17:28:29,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6
[2024-11-08 17:28:29,210 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator
[2024-11-08 17:28:29,210 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator
[2024-11-08 17:28:29,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-08 17:28:29,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-08 17:28:29,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-11-08 17:28:29,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3
[2024-11-08 17:28:29,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4
[2024-11-08 17:28:29,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5
[2024-11-08 17:28:29,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6
[2024-11-08 17:28:29,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 17:28:29,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-08 17:28:29,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-08 17:28:29,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3
[2024-11-08 17:28:29,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4
[2024-11-08 17:28:29,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5
[2024-11-08 17:28:29,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6
[2024-11-08 17:28:29,554 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 17:28:29,557 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 17:28:39,675 INFO L? ?]: Removed 109 outVars from TransFormulas that were not future-live.
[2024-11-08 17:28:39,675 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 17:28:39,700 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 17:28:39,701 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 17:28:39,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:28:39 BoogieIcfgContainer
[2024-11-08 17:28:39,702 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 17:28:39,706 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 17:28:39,707 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 17:28:39,711 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 17:28:39,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:28:25" (1/3) ...
[2024-11-08 17:28:39,712 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b8204a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:28:39, skipping insertion in model container
[2024-11-08 17:28:39,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:28" (2/3) ...
[2024-11-08 17:28:39,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b8204a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:28:39, skipping insertion in model container
[2024-11-08 17:28:39,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:28:39" (3/3) ...
[2024-11-08 17:28:39,717 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be16_harness_negated.i
[2024-11-08 17:28:39,739 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 17:28:39,739 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 17:28:39,838 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 17:28:39,845 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;@68c6ff93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 17:28:39,845 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 17:28:39,850 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 87 states have (on average 1.2298850574712643) internal successors, (107), 88 states have internal predecessors, (107), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34)
[2024-11-08 17:28:39,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88
[2024-11-08 17:28:39,863 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:28:39,864 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:28:39,864 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:28:39,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:28:39,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1009267185, now seen corresponding path program 1 times
[2024-11-08 17:28:39,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:28:39,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800324940]
[2024-11-08 17:28:39,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:28:39,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:30:26,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:30:27,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-08 17:30:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:30:27,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 17:30:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:30:27,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 17:30:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:30:27,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 17:30:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:30:27,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2024-11-08 17:30:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:30:27,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2024-11-08 17:30:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:30:27,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42
[2024-11-08 17:30:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:30:27,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48
[2024-11-08 17:30:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:30:27,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57
[2024-11-08 17:30:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:30:27,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63
[2024-11-08 17:30:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:30:27,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2024-11-08 17:30:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:30:27,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77
[2024-11-08 17:30:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:30:27,746 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked.
[2024-11-08 17:30:27,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:30:27,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800324940]
[2024-11-08 17:30:27,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800324940] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:30:27,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:30:27,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 17:30:27,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369375872]
[2024-11-08 17:30:27,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:30:27,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 17:30:27,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:30:27,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 17:30:27,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 17:30:27,800 INFO L87 Difference]: Start difference. First operand has 133 states, 87 states have (on average 1.2298850574712643) internal successors, (107), 88 states have internal predecessors, (107), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12)
[2024-11-08 17:30:32,063 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 17:30:34,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:30:34,439 INFO L93 Difference]: Finished difference Result 261 states and 370 transitions.
[2024-11-08 17:30:34,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 17:30:34,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 87
[2024-11-08 17:30:34,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:30:34,451 INFO L225 Difference]: With dead ends: 261
[2024-11-08 17:30:34,452 INFO L226 Difference]: Without dead ends: 128
[2024-11-08 17:30:34,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 17:30:34,460 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 76 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 21 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time
[2024-11-08 17:30:34,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 119 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 115 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time]
[2024-11-08 17:30:34,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states.
[2024-11-08 17:30:34,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128.
[2024-11-08 17:30:34,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 83 states have (on average 1.216867469879518) internal successors, (101), 84 states have internal predecessors, (101), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33)
[2024-11-08 17:30:34,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 168 transitions.
[2024-11-08 17:30:34,514 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 168 transitions. Word has length 87
[2024-11-08 17:30:34,519 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:30:34,519 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 168 transitions.
[2024-11-08 17:30:34,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12)
[2024-11-08 17:30:34,520 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 168 transitions.
[2024-11-08 17:30:34,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88
[2024-11-08 17:30:34,525 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:30:34,525 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:30:34,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 17:30:34,526 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:30:34,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:30:34,527 INFO L85 PathProgramCache]: Analyzing trace with hash 858974453, now seen corresponding path program 1 times
[2024-11-08 17:30:34,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:30:34,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948912078]
[2024-11-08 17:30:34,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:30:34,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:32:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:32:30,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-08 17:32:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:32:30,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 17:32:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:32:30,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 17:32:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:32:30,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 17:32:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:32:30,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2024-11-08 17:32:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:32:30,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2024-11-08 17:32:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:32:30,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42
[2024-11-08 17:32:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:32:30,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48
[2024-11-08 17:32:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:32:30,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57
[2024-11-08 17:32:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:32:30,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63
[2024-11-08 17:32:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:32:30,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2024-11-08 17:32:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:32:30,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77
[2024-11-08 17:32:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:32:30,898 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked.
[2024-11-08 17:32:30,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:32:30,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948912078]
[2024-11-08 17:32:30,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948912078] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 17:32:30,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430609618]
[2024-11-08 17:32:30,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:32:30,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:32:30,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:32:30,904 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:32:30,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 17:34:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:34:29,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 7719 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-08 17:34:29,411 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:34:30,569 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked.
[2024-11-08 17:34:30,569 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:34:30,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430609618] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:34:30,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 17:34:30,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10
[2024-11-08 17:34:30,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454162806]
[2024-11-08 17:34:30,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:34:30,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 17:34:30,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:34:30,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 17:34:30,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90
[2024-11-08 17:34:30,575 INFO L87 Difference]: Start difference. First operand 128 states and 168 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12)
[2024-11-08 17:34:32,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:34:32,102 INFO L93 Difference]: Finished difference Result 233 states and 314 transitions.
[2024-11-08 17:34:32,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 17:34:32,103 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 87
[2024-11-08 17:34:32,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:34:32,108 INFO L225 Difference]: With dead ends: 233
[2024-11-08 17:34:32,108 INFO L226 Difference]: Without dead ends: 131
[2024-11-08 17:34:32,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156
[2024-11-08 17:34:32,111 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 176 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-11-08 17:34:32,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 367 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-11-08 17:34:32,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states.
[2024-11-08 17:34:32,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131.
[2024-11-08 17:34:32,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 85 states have (on average 1.2117647058823529) internal successors, (103), 87 states have internal predecessors, (103), 34 states have call successors, (34), 10 states have call predecessors, (34), 11 states have return successors, (37), 33 states have call predecessors, (37), 33 states have call successors, (37)
[2024-11-08 17:34:32,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 174 transitions.
[2024-11-08 17:34:32,145 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 174 transitions. Word has length 87
[2024-11-08 17:34:32,146 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:34:32,147 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 174 transitions.
[2024-11-08 17:34:32,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12)
[2024-11-08 17:34:32,147 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 174 transitions.
[2024-11-08 17:34:32,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94
[2024-11-08 17:34:32,150 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:34:32,151 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:34:32,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-08 17:34:32,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:34:32,352 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:34:32,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:34:32,355 INFO L85 PathProgramCache]: Analyzing trace with hash 798238218, now seen corresponding path program 1 times
[2024-11-08 17:34:32,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:34:32,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296767174]
[2024-11-08 17:34:32,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:34:32,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:36:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:36:25,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-08 17:36:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:36:25,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 17:36:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:36:25,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 17:36:25,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:36:25,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 17:36:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:36:25,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2024-11-08 17:36:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:36:25,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-08 17:36:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:36:25,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48
[2024-11-08 17:36:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:36:26,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-08 17:36:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:36:26,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63
[2024-11-08 17:36:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:36:26,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2024-11-08 17:36:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:36:26,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75
[2024-11-08 17:36:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:36:26,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2024-11-08 17:36:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:36:26,265 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked.
[2024-11-08 17:36:26,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:36:26,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296767174]
[2024-11-08 17:36:26,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296767174] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 17:36:26,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376981052]
[2024-11-08 17:36:26,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:36:26,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:36:26,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:36:26,269 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:36:26,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-08 17:38:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:38:14,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 7736 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-08 17:38:14,201 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:38:15,566 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2024-11-08 17:38:15,567 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:38:15,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376981052] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:38:15,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 17:38:15,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12
[2024-11-08 17:38:15,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033556012]
[2024-11-08 17:38:15,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:38:15,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-08 17:38:15,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:38:15,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-08 17:38:15,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132
[2024-11-08 17:38:15,571 INFO L87 Difference]: Start difference. First operand 131 states and 174 transitions. Second operand has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12)
[2024-11-08 17:38:17,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:38:17,713 INFO L93 Difference]: Finished difference Result 228 states and 305 transitions.
[2024-11-08 17:38:17,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-08 17:38:17,714 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 93
[2024-11-08 17:38:17,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:38:17,717 INFO L225 Difference]: With dead ends: 228
[2024-11-08 17:38:17,717 INFO L226 Difference]: Without dead ends: 131
[2024-11-08 17:38:17,718 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240
[2024-11-08 17:38:17,720 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 177 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2024-11-08 17:38:17,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 497 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2024-11-08 17:38:17,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states.
[2024-11-08 17:38:17,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131.
[2024-11-08 17:38:17,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 85 states have (on average 1.2117647058823529) internal successors, (103), 87 states have internal predecessors, (103), 34 states have call successors, (34), 10 states have call predecessors, (34), 11 states have return successors, (36), 33 states have call predecessors, (36), 33 states have call successors, (36)
[2024-11-08 17:38:17,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 173 transitions.
[2024-11-08 17:38:17,740 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 173 transitions. Word has length 93
[2024-11-08 17:38:17,741 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:38:17,741 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 173 transitions.
[2024-11-08 17:38:17,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12)
[2024-11-08 17:38:17,742 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 173 transitions.
[2024-11-08 17:38:17,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100
[2024-11-08 17:38:17,744 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:38:17,745 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:38:17,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-11-08 17:38:17,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:38:17,946 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:38:17,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:38:17,946 INFO L85 PathProgramCache]: Analyzing trace with hash 2034981343, now seen corresponding path program 2 times
[2024-11-08 17:38:17,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:38:17,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557073376]
[2024-11-08 17:38:17,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:38:17,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:40:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:40:04,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-08 17:40:04,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:40:04,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 17:40:04,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:40:05,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 17:40:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:40:05,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 17:40:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:40:05,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2024-11-08 17:40:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:40:05,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-08 17:40:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:40:05,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48
[2024-11-08 17:40:05,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:40:05,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-08 17:40:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:40:05,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2024-11-08 17:40:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:40:05,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75
[2024-11-08 17:40:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:40:05,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81
[2024-11-08 17:40:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:40:05,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2024-11-08 17:40:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:40:05,552 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-08 17:40:05,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:40:05,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557073376]
[2024-11-08 17:40:05,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557073376] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 17:40:05,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106121093]
[2024-11-08 17:40:05,553 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-08 17:40:05,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:40:05,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:40:05,558 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:40:05,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-08 17:41:56,460 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-08 17:41:56,461 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-08 17:41:56,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 7383 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-11-08 17:41:56,506 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:41:57,852 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked.
[2024-11-08 17:41:57,852 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:41:57,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106121093] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:41:57,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 17:41:57,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14
[2024-11-08 17:41:57,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192687860]
[2024-11-08 17:41:57,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:41:57,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-08 17:41:57,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:41:57,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-08 17:41:57,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182
[2024-11-08 17:41:57,856 INFO L87 Difference]: Start difference. First operand 131 states and 173 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12)
[2024-11-08 17:41:58,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:41:58,560 INFO L93 Difference]: Finished difference Result 139 states and 181 transitions.
[2024-11-08 17:41:58,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-08 17:41:58,561 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 99
[2024-11-08 17:41:58,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:41:58,563 INFO L225 Difference]: With dead ends: 139
[2024-11-08 17:41:58,564 INFO L226 Difference]: Without dead ends: 137
[2024-11-08 17:41:58,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210
[2024-11-08 17:41:58,566 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 3 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 969 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-08 17:41:58,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 969 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-08 17:41:58,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states.
[2024-11-08 17:41:58,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 136.
[2024-11-08 17:41:58,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 88 states have (on average 1.2045454545454546) internal successors, (106), 90 states have internal predecessors, (106), 35 states have call successors, (35), 11 states have call predecessors, (35), 12 states have return successors, (37), 34 states have call predecessors, (37), 34 states have call successors, (37)
[2024-11-08 17:41:58,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 178 transitions.
[2024-11-08 17:41:58,588 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 178 transitions. Word has length 99
[2024-11-08 17:41:58,588 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:41:58,589 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 178 transitions.
[2024-11-08 17:41:58,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12)
[2024-11-08 17:41:58,589 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 178 transitions.
[2024-11-08 17:41:58,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106
[2024-11-08 17:41:58,591 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:41:58,592 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 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]
[2024-11-08 17:41:58,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-08 17:41:58,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfd5b83a-c106-4ce3-81a8-4b5dbd6dec99/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:41:58,793 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:41:58,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:41:58,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1494056298, now seen corresponding path program 3 times
[2024-11-08 17:41:58,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:41:58,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385291989]
[2024-11-08 17:41:58,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:41:58,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms