./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness_negated.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b91612-20f0-4c54-b2c7-d4002646a0d1/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b91612-20f0-4c54-b2c7-d4002646a0d1/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b91612-20f0-4c54-b2c7-d4002646a0d1/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b91612-20f0-4c54-b2c7-d4002646a0d1/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b91612-20f0-4c54-b2c7-d4002646a0d1/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b91612-20f0-4c54-b2c7-d4002646a0d1/bin/uautomizer-verify-84ZbGMXZE1 --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 b62eef3129e91aaac3acc29e5a183350b87388a8c6b16bdbf751f7e8be177f34
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 10:53:34,683 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 10:53:34,739 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b91612-20f0-4c54-b2c7-d4002646a0d1/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-12-02 10:53:34,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 10:53:34,743 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 10:53:34,764 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 10:53:34,764 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 10:53:34,765 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 10:53:34,765 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 10:53:34,765 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 10:53:34,765 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 10:53:34,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 10:53:34,766 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 10:53:34,766 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 10:53:34,766 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 10:53:34,766 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 10:53:34,766 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 10:53:34,766 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 10:53:34,766 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 10:53:34,766 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 10:53:34,767 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 10:53:34,767 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 10:53:34,767 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 10:53:34,767 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 10:53:34,767 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 10:53:34,767 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 10:53:34,767 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 10:53:34,767 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 10:53:34,767 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 10:53:34,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:53:34,768 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 10:53:34,768 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 10:53:34,768 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 10:53:34,768 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 10:53:34,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:53:34,768 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 10:53:34,768 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 10:53:34,768 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 10:53:34,768 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 10:53:34,768 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 10:53:34,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 10:53:34,769 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 10:53:34,769 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 10:53:34,769 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 10:53:34,769 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 10:53:34,769 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b91612-20f0-4c54-b2c7-d4002646a0d1/bin/uautomizer-verify-84ZbGMXZE1
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 -> b62eef3129e91aaac3acc29e5a183350b87388a8c6b16bdbf751f7e8be177f34
[2024-12-02 10:53:34,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 10:53:34,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 10:53:34,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 10:53:34,986 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 10:53:34,986 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 10:53:34,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b91612-20f0-4c54-b2c7-d4002646a0d1/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness_negated.i
[2024-12-02 10:53:37,661 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b91612-20f0-4c54-b2c7-d4002646a0d1/bin/uautomizer-verify-84ZbGMXZE1/data/75ad71dad/38f2562302674ddfa9a05ba81a9539c3/FLAG498989158
[2024-12-02 10:53:38,058 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 10:53:38,059 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b91612-20f0-4c54-b2c7-d4002646a0d1/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness_negated.i
[2024-12-02 10:53:38,092 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b91612-20f0-4c54-b2c7-d4002646a0d1/bin/uautomizer-verify-84ZbGMXZE1/data/75ad71dad/38f2562302674ddfa9a05ba81a9539c3/FLAG498989158
[2024-12-02 10:53:38,208 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b91612-20f0-4c54-b2c7-d4002646a0d1/bin/uautomizer-verify-84ZbGMXZE1/data/75ad71dad/38f2562302674ddfa9a05ba81a9539c3
[2024-12-02 10:53:38,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 10:53:38,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 10:53:38,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 10:53:38,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 10:53:38,217 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 10:53:38,217 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:53:38" (1/1) ...
[2024-12-02 10:53:38,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44909ba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:38, skipping insertion in model container
[2024-12-02 10:53:38,218 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:53:38" (1/1) ...
[2024-12-02 10:53:38,283 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 10:53:38,484 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_e3b91612-20f0-4c54-b2c7-d4002646a0d1/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness_negated.i[4492,4505]
[2024-12-02 10:53:38,490 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_e3b91612-20f0-4c54-b2c7-d4002646a0d1/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness_negated.i[4552,4565]
[2024-12-02 10:53:39,142 WARN L1675 CHandler]: Possible shadowing of function index
[2024-12-02 10:53:39,142 WARN L1675 CHandler]: Possible shadowing of function index
[2024-12-02 10:53:39,143 WARN L1675 CHandler]: Possible shadowing of function index
[2024-12-02 10:53:39,144 WARN L1675 CHandler]: Possible shadowing of function index
[2024-12-02 10:53:39,144 WARN L1675 CHandler]: Possible shadowing of function index
[2024-12-02 10:53:39,158 WARN L1675 CHandler]: Possible shadowing of function index
[2024-12-02 10:53:39,159 WARN L1675 CHandler]: Possible shadowing of function index
[2024-12-02 10:53:39,161 WARN L1675 CHandler]: Possible shadowing of function index
[2024-12-02 10:53:39,162 WARN L1675 CHandler]: Possible shadowing of function index
[2024-12-02 10:53:39,864 WARN L1675 CHandler]: Possible shadowing of function index
[2024-12-02 10:53:39,865 WARN L1675 CHandler]: Possible shadowing of function index
[2024-12-02 10:53:39,927 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 10:53:39,974 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 10:53:39,988 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_e3b91612-20f0-4c54-b2c7-d4002646a0d1/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness_negated.i[4492,4505]
[2024-12-02 10:53:39,988 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_e3b91612-20f0-4c54-b2c7-d4002646a0d1/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness_negated.i[4552,4565]
[2024-12-02 10:53:40,030 WARN L1675 CHandler]: Possible shadowing of function index
[2024-12-02 10:53:40,030 WARN L1675 CHandler]: Possible shadowing of function index
[2024-12-02 10:53:40,030 WARN L1675 CHandler]: Possible shadowing of function index
[2024-12-02 10:53:40,031 WARN L1675 CHandler]: Possible shadowing of function index
[2024-12-02 10:53:40,031 WARN L1675 CHandler]: Possible shadowing of function index
[2024-12-02 10:53:40,037 WARN L1675 CHandler]: Possible shadowing of function index
[2024-12-02 10:53:40,038 WARN L1675 CHandler]: Possible shadowing of function index
[2024-12-02 10:53:40,038 WARN L1675 CHandler]: Possible shadowing of function index
[2024-12-02 10:53:40,039 WARN L1675 CHandler]: Possible shadowing of function index
[2024-12-02 10:53:40,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245]
[2024-12-02 10:53:40,158 WARN L1675 CHandler]: Possible shadowing of function index
[2024-12-02 10:53:40,158 WARN L1675 CHandler]: Possible shadowing of function index
[2024-12-02 10:53:40,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__(""
:
: "r"(pBuf)
: "memory"); [8731-8742]
[2024-12-02 10:53:40,187 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 10:53:40,397 INFO L204 MainTranslator]: Completed translation
[2024-12-02 10:53:40,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:40 WrapperNode
[2024-12-02 10:53:40,397 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 10:53:40,398 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 10:53:40,398 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 10:53:40,398 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 10:53:40,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:40" (1/1) ...
[2024-12-02 10:53:40,457 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:40" (1/1) ...
[2024-12-02 10:53:40,510 INFO L138 Inliner]: procedures = 680, calls = 2609, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 802
[2024-12-02 10:53:40,510 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 10:53:40,511 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 10:53:40,511 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 10:53:40,511 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 10:53:40,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:40" (1/1) ...
[2024-12-02 10:53:40,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:40" (1/1) ...
[2024-12-02 10:53:40,527 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:40" (1/1) ...
[2024-12-02 10:53:40,588 INFO L175 MemorySlicer]: Split 516 memory accesses to 6 slices as follows [2, 257, 238, 6, 8, 5]. 50 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 0, 6, 0, 0, 5]. The 491 writes are split as follows [0, 257, 232, 2, 0, 0].
[2024-12-02 10:53:40,588 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:40" (1/1) ...
[2024-12-02 10:53:40,589 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:40" (1/1) ...
[2024-12-02 10:53:40,612 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:40" (1/1) ...
[2024-12-02 10:53:40,613 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:40" (1/1) ...
[2024-12-02 10:53:40,617 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:40" (1/1) ...
[2024-12-02 10:53:40,623 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:40" (1/1) ...
[2024-12-02 10:53:40,627 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:40" (1/1) ...
[2024-12-02 10:53:40,635 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 10:53:40,635 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 10:53:40,636 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 10:53:40,636 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 10:53:40,636 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:40" (1/1) ...
[2024-12-02 10:53:40,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:53:40,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b91612-20f0-4c54-b2c7-d4002646a0d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 10:53:40,666 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b91612-20f0-4c54-b2c7-d4002646a0d1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 10:53:40,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b91612-20f0-4c54-b2c7-d4002646a0d1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 10:53:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_c_str
[2024-12-02 10:53:40,692 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_c_str
[2024-12-02 10:53:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-12-02 10:53:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool
[2024-12-02 10:53:40,692 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool
[2024-12-02 10:53:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0
[2024-12-02 10:53:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1
[2024-12-02 10:53:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2
[2024-12-02 10:53:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3
[2024-12-02 10:53:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4
[2024-12-02 10:53:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5
[2024-12-02 10:53:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-12-02 10:53:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-12-02 10:53:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-12-02 10:53:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3
[2024-12-02 10:53:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4
[2024-12-02 10:53:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5
[2024-12-02 10:53:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-12-02 10:53:40,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-12-02 10:53:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-12-02 10:53:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 10:53:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array
[2024-12-02 10:53:40,693 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array
[2024-12-02 10:53:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 10:53:40,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 10:53:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc
[2024-12-02 10:53:40,693 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc
[2024-12-02 10:53:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches
[2024-12-02 10:53:40,693 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches
[2024-12-02 10:53:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0
[2024-12-02 10:53:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1
[2024-12-02 10:53:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2
[2024-12-02 10:53:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3
[2024-12-02 10:53:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4
[2024-12-02 10:53:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5
[2024-12-02 10:53:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc
[2024-12-02 10:53:40,694 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc
[2024-12-02 10:53:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-12-02 10:53:40,694 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-12-02 10:53:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-12-02 10:53:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0
[2024-12-02 10:53:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1
[2024-12-02 10:53:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2
[2024-12-02 10:53:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3
[2024-12-02 10:53:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4
[2024-12-02 10:53:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5
[2024-12-02 10:53:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t
[2024-12-02 10:53:40,694 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t
[2024-12-02 10:53:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-12-02 10:53:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-12-02 10:53:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-12-02 10:53:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3
[2024-12-02 10:53:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4
[2024-12-02 10:53:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5
[2024-12-02 10:53:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 10:53:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-12-02 10:53:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-12-02 10:53:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3
[2024-12-02 10:53:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4
[2024-12-02 10:53:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5
[2024-12-02 10:53:40,930 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 10:53:40,932 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 10:53:48,437 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live.
[2024-12-02 10:53:48,437 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 10:53:48,447 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 10:53:48,448 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-02 10:53:48,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:53:48 BoogieIcfgContainer
[2024-12-02 10:53:48,448 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 10:53:48,450 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 10:53:48,450 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 10:53:48,455 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 10:53:48,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:53:38" (1/3) ...
[2024-12-02 10:53:48,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f80c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:53:48, skipping insertion in model container
[2024-12-02 10:53:48,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:40" (2/3) ...
[2024-12-02 10:53:48,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f80c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:53:48, skipping insertion in model container
[2024-12-02 10:53:48,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:53:48" (3/3) ...
[2024-12-02 10:53:48,457 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_array_eq_c_str_harness_negated.i
[2024-12-02 10:53:48,471 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 10:53:48,472 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_array_eq_c_str_harness_negated.i that has 10 procedures, 96 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 10:53:48,522 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 10:53:48,533 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;@63a50b06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 10:53:48,533 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 10:53:48,537 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 59 states have (on average 1.271186440677966) internal successors, (75), 62 states have internal predecessors, (75), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26)
[2024-12-02 10:53:48,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68
[2024-12-02 10:53:48,545 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:53:48,546 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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]
[2024-12-02 10:53:48,546 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:53:48,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:53:48,551 INFO L85 PathProgramCache]: Analyzing trace with hash 511260694, now seen corresponding path program 1 times
[2024-12-02 10:53:48,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:53:48,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200216107]
[2024-12-02 10:53:48,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:53:48,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:55:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:55:11,585 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked.
[2024-12-02 10:55:11,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:55:11,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200216107]
[2024-12-02 10:55:11,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200216107] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 10:55:11,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140274657]
[2024-12-02 10:55:11,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:55:11,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:55:11,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b91612-20f0-4c54-b2c7-d4002646a0d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 10:55:11,589 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b91612-20f0-4c54-b2c7-d4002646a0d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 10:55:11,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b91612-20f0-4c54-b2c7-d4002646a0d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 10:56:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:56:36,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 7538 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-12-02 10:56:36,816 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 10:56:36,828 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked.
[2024-12-02 10:56:36,828 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 10:56:36,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2140274657] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:56:36,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 10:56:36,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-12-02 10:56:36,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484030210]
[2024-12-02 10:56:36,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:56:36,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 10:56:36,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:56:36,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 10:56:36,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 10:56:36,850 INFO L87 Difference]: Start difference. First operand has 96 states, 59 states have (on average 1.271186440677966) internal successors, (75), 62 states have internal predecessors, (75), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11)
[2024-12-02 10:56:36,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:56:36,874 INFO L93 Difference]: Finished difference Result 189 states and 272 transitions.
[2024-12-02 10:56:36,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 10:56:36,876 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 67
[2024-12-02 10:56:36,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:56:36,881 INFO L225 Difference]: With dead ends: 189
[2024-12-02 10:56:36,881 INFO L226 Difference]: Without dead ends: 91
[2024-12-02 10:56:36,884 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 10:56:36,887 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:56:36,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 10:56:36,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states.
[2024-12-02 10:56:36,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91.
[2024-12-02 10:56:36,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 57 states have internal predecessors, (67), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25)
[2024-12-02 10:56:36,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions.
[2024-12-02 10:56:36,916 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 67
[2024-12-02 10:56:36,916 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:56:36,917 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions.
[2024-12-02 10:56:36,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11)
[2024-12-02 10:56:36,917 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions.
[2024-12-02 10:56:36,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68
[2024-12-02 10:56:36,919 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:56:36,919 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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]
[2024-12-02 10:56:36,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b91612-20f0-4c54-b2c7-d4002646a0d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 10:56:37,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b91612-20f0-4c54-b2c7-d4002646a0d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-12-02 10:56:37,120 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:56:37,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:56:37,121 INFO L85 PathProgramCache]: Analyzing trace with hash -2109288692, now seen corresponding path program 1 times
[2024-12-02 10:56:37,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:56:37,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068793691]
[2024-12-02 10:56:37,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:56:37,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:58:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:58:08,630 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked.
[2024-12-02 10:58:08,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:58:08,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068793691]
[2024-12-02 10:58:08,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068793691] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 10:58:08,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024633037]
[2024-12-02 10:58:08,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:58:08,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:58:08,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b91612-20f0-4c54-b2c7-d4002646a0d1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 10:58:08,632 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b91612-20f0-4c54-b2c7-d4002646a0d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 10:58:08,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b91612-20f0-4c54-b2c7-d4002646a0d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 10:59:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:59:36,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 7538 conjuncts, 26 conjuncts are in the unsatisfiable core
[2024-12-02 10:59:36,481 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 10:59:37,467 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked.
[2024-12-02 10:59:37,467 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 10:59:37,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1024633037] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:59:37,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 10:59:37,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 9
[2024-12-02 10:59:37,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422758007]
[2024-12-02 10:59:37,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:59:37,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-12-02 10:59:37,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:59:37,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-12-02 10:59:37,469 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2024-12-02 10:59:37,469 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 5 states have call predecessors, (11), 3 states have call successors, (11)
[2024-12-02 10:59:38,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:59:38,519 INFO L93 Difference]: Finished difference Result 144 states and 188 transitions.
[2024-12-02 10:59:38,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-12-02 10:59:38,520 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 5 states have call predecessors, (11), 3 states have call successors, (11) Word has length 67
[2024-12-02 10:59:38,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:59:38,522 INFO L225 Difference]: With dead ends: 144
[2024-12-02 10:59:38,522 INFO L226 Difference]: Without dead ends: 91
[2024-12-02 10:59:38,523 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90
[2024-12-02 10:59:38,524 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 6 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-12-02 10:59:38,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 680 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-12-02 10:59:38,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states.
[2024-12-02 10:59:38,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91.
[2024-12-02 10:59:38,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 55 states have (on average 1.2) internal successors, (66), 57 states have internal predecessors, (66), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25)
[2024-12-02 10:59:38,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 117 transitions.
[2024-12-02 10:59:38,537 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 117 transitions. Word has length 67
[2024-12-02 10:59:38,538 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:59:38,538 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 117 transitions.
[2024-12-02 10:59:38,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 4 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 5 states have call predecessors, (11), 3 states have call successors, (11)
[2024-12-02 10:59:38,539 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 117 transitions.
[2024-12-02 10:59:38,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96
[2024-12-02 10:59:38,541 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:59:38,541 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 10:59:38,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b91612-20f0-4c54-b2c7-d4002646a0d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-12-02 10:59:38,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b91612-20f0-4c54-b2c7-d4002646a0d1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1
[2024-12-02 10:59:38,742 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 10:59:38,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:59:38,743 INFO L85 PathProgramCache]: Analyzing trace with hash 890501595, now seen corresponding path program 1 times
[2024-12-02 10:59:38,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:59:38,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316120950]
[2024-12-02 10:59:38,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:59:38,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:05:12,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 11:05:12,357 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.