./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_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_4829f40a-a4a4-49c5-bd2a-06587453199f/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4829f40a-a4a4-49c5-bd2a-06587453199f/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_4829f40a-a4a4-49c5-bd2a-06587453199f/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4829f40a-a4a4-49c5-bd2a-06587453199f/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4829f40a-a4a4-49c5-bd2a-06587453199f/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_4829f40a-a4a4-49c5-bd2a-06587453199f/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 885bac69872c2b34c2b244d1618f4ab60115ba2f5fec2456cdf32ad6a7277fb1
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 17:46:08,058 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 17:46:08,124 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4829f40a-a4a4-49c5-bd2a-06587453199f/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-08 17:46:08,134 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 17:46:08,134 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 17:46:08,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 17:46:08,161 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 17:46:08,162 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 17:46:08,162 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 17:46:08,163 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 17:46:08,163 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 17:46:08,164 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 17:46:08,164 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 17:46:08,165 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 17:46:08,165 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 17:46:08,166 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 17:46:08,166 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 17:46:08,166 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 17:46:08,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 17:46:08,167 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 17:46:08,167 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 17:46:08,171 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 17:46:08,172 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 17:46:08,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 17:46:08,172 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 17:46:08,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 17:46:08,173 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 17:46:08,173 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 17:46:08,173 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 17:46:08,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:46:08,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 17:46:08,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 17:46:08,175 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 17:46:08,176 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 17:46:08,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 17:46:08,177 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 17:46:08,178 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 17:46:08,178 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 17:46:08,179 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 17:46:08,179 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_4829f40a-a4a4-49c5-bd2a-06587453199f/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4829f40a-a4a4-49c5-bd2a-06587453199f/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 885bac69872c2b34c2b244d1618f4ab60115ba2f5fec2456cdf32ad6a7277fb1
[2024-11-08 17:46:08,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 17:46:08,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 17:46:08,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 17:46:08,510 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 17:46:08,511 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 17:46:08,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4829f40a-a4a4-49c5-bd2a-06587453199f/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i
Unable to find full path for "g++"
[2024-11-08 17:46:10,636 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 17:46:11,250 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 17:46:11,251 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4829f40a-a4a4-49c5-bd2a-06587453199f/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i
[2024-11-08 17:46:11,298 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4829f40a-a4a4-49c5-bd2a-06587453199f/bin/uautomizer-verify-jihMAELWvX/data/f54640a0e/6738bbd517d440d4849ea9c3ee272a1e/FLAG217f94db0
[2024-11-08 17:46:11,728 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4829f40a-a4a4-49c5-bd2a-06587453199f/bin/uautomizer-verify-jihMAELWvX/data/f54640a0e/6738bbd517d440d4849ea9c3ee272a1e
[2024-11-08 17:46:11,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 17:46:11,732 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 17:46:11,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 17:46:11,734 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 17:46:11,740 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 17:46:11,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:46:11" (1/1) ...
[2024-11-08 17:46:11,743 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e8866d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:11, skipping insertion in model container
[2024-11-08 17:46:11,743 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:46:11" (1/1) ...
[2024-11-08 17:46:11,910 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 17:46:12,341 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_4829f40a-a4a4-49c5-bd2a-06587453199f/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i[4495,4508]
[2024-11-08 17:46:12,349 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_4829f40a-a4a4-49c5-bd2a-06587453199f/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i[4555,4568]
[2024-11-08 17:46:13,561 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:46:13,563 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:46:13,566 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:46:13,567 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:46:13,569 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:46:13,594 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:46:13,595 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:46:13,598 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:46:13,599 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:46:14,527 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:46:14,528 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:46:14,658 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:46:14,746 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 17:46:14,766 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_4829f40a-a4a4-49c5-bd2a-06587453199f/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i[4495,4508]
[2024-11-08 17:46:14,770 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_4829f40a-a4a4-49c5-bd2a-06587453199f/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i[4555,4568]
[2024-11-08 17:46:14,825 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:46:14,826 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:46:14,826 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:46:14,827 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:46:14,828 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:46:14,839 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:46:14,840 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:46:14,841 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:46:14,842 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:46:15,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245]
[2024-11-08 17:46:15,030 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:46:15,030 WARN L1698 CHandler]: Possible shadowing of function index
[2024-11-08 17:46:15,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__(""
:
: "r"(pBuf)
: "memory"); [8731-8742]
[2024-11-08 17:46:15,067 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:46:15,373 INFO L204 MainTranslator]: Completed translation
[2024-11-08 17:46:15,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:15 WrapperNode
[2024-11-08 17:46:15,374 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 17:46:15,375 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 17:46:15,376 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 17:46:15,376 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 17:46:15,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:15" (1/1) ...
[2024-11-08 17:46:15,504 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:15" (1/1) ...
[2024-11-08 17:46:15,617 INFO L138 Inliner]: procedures = 680, calls = 2633, calls flagged for inlining = 64, calls inlined = 10, statements flattened = 902
[2024-11-08 17:46:15,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 17:46:15,619 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 17:46:15,619 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 17:46:15,619 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 17:46:15,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:15" (1/1) ...
[2024-11-08 17:46:15,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:15" (1/1) ...
[2024-11-08 17:46:15,651 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:15" (1/1) ...
[2024-11-08 17:46:15,749 INFO L175 MemorySlicer]: Split 556 memory accesses to 6 slices as follows [2, 257, 238, 13, 6, 40]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 5, 0, 8]. The 493 writes are split as follows [0, 257, 232, 0, 2, 2].
[2024-11-08 17:46:15,753 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:15" (1/1) ...
[2024-11-08 17:46:15,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:15" (1/1) ...
[2024-11-08 17:46:15,808 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:15" (1/1) ...
[2024-11-08 17:46:15,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:15" (1/1) ...
[2024-11-08 17:46:15,889 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:15" (1/1) ...
[2024-11-08 17:46:15,898 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:15" (1/1) ...
[2024-11-08 17:46:15,919 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 17:46:15,922 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 17:46:15,922 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 17:46:15,922 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 17:46:15,924 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:15" (1/1) ...
[2024-11-08 17:46:15,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:46:15,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4829f40a-a4a4-49c5-bd2a-06587453199f/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:46:15,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4829f40a-a4a4-49c5-bd2a-06587453199f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 17:46:15,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4829f40a-a4a4-49c5-bd2a-06587453199f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 17:46:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_c_str
[2024-11-08 17:46:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_c_str
[2024-11-08 17:46:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid
[2024-11-08 17:46:16,019 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid
[2024-11-08 17:46:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-08 17:46:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool
[2024-11-08 17:46:16,020 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool
[2024-11-08 17:46:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0
[2024-11-08 17:46:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1
[2024-11-08 17:46:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2
[2024-11-08 17:46:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3
[2024-11-08 17:46:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4
[2024-11-08 17:46:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5
[2024-11-08 17:46:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-08 17:46:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-08 17:46:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-11-08 17:46:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3
[2024-11-08 17:46:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4
[2024-11-08 17:46:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5
[2024-11-08 17:46:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-11-08 17:46:16,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-11-08 17:46:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-08 17:46:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 17:46:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array
[2024-11-08 17:46:16,024 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array
[2024-11-08 17:46:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-11-08 17:46:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-11-08 17:46:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2
[2024-11-08 17:46:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3
[2024-11-08 17:46:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4
[2024-11-08 17:46:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5
[2024-11-08 17:46:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 17:46:16,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 17:46:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc
[2024-11-08 17:46:16,027 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc
[2024-11-08 17:46:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches
[2024-11-08 17:46:16,028 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches
[2024-11-08 17:46:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0
[2024-11-08 17:46:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1
[2024-11-08 17:46:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2
[2024-11-08 17:46:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3
[2024-11-08 17:46:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4
[2024-11-08 17:46:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5
[2024-11-08 17:46:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-08 17:46:16,031 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-08 17:46:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-08 17:46:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-11-08 17:46:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-11-08 17:46:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2
[2024-11-08 17:46:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3
[2024-11-08 17:46:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4
[2024-11-08 17:46:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5
[2024-11-08 17:46:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0
[2024-11-08 17:46:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1
[2024-11-08 17:46:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2
[2024-11-08 17:46:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3
[2024-11-08 17:46:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4
[2024-11-08 17:46:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5
[2024-11-08 17:46:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator
[2024-11-08 17:46:16,036 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator
[2024-11-08 17:46:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t
[2024-11-08 17:46:16,037 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t
[2024-11-08 17:46:16,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-08 17:46:16,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-08 17:46:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-11-08 17:46:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3
[2024-11-08 17:46:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4
[2024-11-08 17:46:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5
[2024-11-08 17:46:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 17:46:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-08 17:46:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-08 17:46:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3
[2024-11-08 17:46:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4
[2024-11-08 17:46:16,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5
[2024-11-08 17:46:16,420 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 17:46:16,422 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 17:46:26,095 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live.
[2024-11-08 17:46:26,095 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 17:46:26,120 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 17:46:26,122 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 17:46:26,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:46:26 BoogieIcfgContainer
[2024-11-08 17:46:26,123 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 17:46:26,128 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 17:46:26,128 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 17:46:26,132 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 17:46:26,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:46:11" (1/3) ...
[2024-11-08 17:46:26,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d2d907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:46:26, skipping insertion in model container
[2024-11-08 17:46:26,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:46:15" (2/3) ...
[2024-11-08 17:46:26,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d2d907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:46:26, skipping insertion in model container
[2024-11-08 17:46:26,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:46:26" (3/3) ...
[2024-11-08 17:46:26,137 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_eq_c_str_harness_negated.i
[2024-11-08 17:46:26,161 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 17:46:26,161 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 17:46:26,268 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 17:46:26,279 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;@6bad24ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 17:46:26,279 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 17:46:26,284 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 92 states have (on average 1.25) internal successors, (115), 94 states have internal predecessors, (115), 36 states have call successors, (36), 10 states have call predecessors, (36), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36)
[2024-11-08 17:46:26,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126
[2024-11-08 17:46:26,303 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:46:26,304 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:46:26,305 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:46:26,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:46:26,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1819082167, now seen corresponding path program 1 times
[2024-11-08 17:46:26,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:46:26,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909713326]
[2024-11-08 17:46:26,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:46:26,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:48:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:48:36,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 17:48:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:48:36,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 17:48:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:48:36,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-08 17:48:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:48:36,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 17:48:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:48:36,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2024-11-08 17:48:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:48:36,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31
[2024-11-08 17:48:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:48:36,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2024-11-08 17:48:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:48:36,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 17:48:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:48:36,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 17:48:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:48:36,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55
[2024-11-08 17:48:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:48:36,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2024-11-08 17:48:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:48:37,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2024-11-08 17:48:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:48:37,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73
[2024-11-08 17:48:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:48:37,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79
[2024-11-08 17:48:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:48:37,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-08 17:48:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:48:37,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2024-11-08 17:48:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:48:37,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97
[2024-11-08 17:48:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:48:37,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 17:48:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:48:37,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2024-11-08 17:48:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:48:37,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115
[2024-11-08 17:48:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:48:37,261 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked.
[2024-11-08 17:48:37,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:48:37,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909713326]
[2024-11-08 17:48:37,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909713326] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:48:37,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:48:37,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:48:37,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869076465]
[2024-11-08 17:48:37,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:48:37,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:48:37,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:48:37,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:48:37,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:48:37,315 INFO L87 Difference]: Start difference. First operand has 140 states, 92 states have (on average 1.25) internal successors, (115), 94 states have internal predecessors, (115), 36 states have call successors, (36), 10 states have call predecessors, (36), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (20), 4 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19)
[2024-11-08 17:48:41,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-08 17:48:44,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:48:44,548 INFO L93 Difference]: Finished difference Result 277 states and 398 transitions.
[2024-11-08 17:48:44,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 17:48:44,552 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (20), 4 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 125
[2024-11-08 17:48:44,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:48:44,565 INFO L225 Difference]: With dead ends: 277
[2024-11-08 17:48:44,566 INFO L226 Difference]: Without dead ends: 137
[2024-11-08 17:48:44,571 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-08 17:48:44,580 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 124 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 79 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time
[2024-11-08 17:48:44,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 208 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 147 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time]
[2024-11-08 17:48:44,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states.
[2024-11-08 17:48:44,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 135.
[2024-11-08 17:48:44,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 88 states have (on average 1.2272727272727273) internal successors, (108), 89 states have internal predecessors, (108), 36 states have call successors, (36), 10 states have call predecessors, (36), 10 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35)
[2024-11-08 17:48:44,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 179 transitions.
[2024-11-08 17:48:44,653 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 179 transitions. Word has length 125
[2024-11-08 17:48:44,654 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:48:44,654 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 179 transitions.
[2024-11-08 17:48:44,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (20), 4 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19)
[2024-11-08 17:48:44,655 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 179 transitions.
[2024-11-08 17:48:44,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126
[2024-11-08 17:48:44,664 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:48:44,664 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:48:44,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 17:48:44,665 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:48:44,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:48:44,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1914402877, now seen corresponding path program 1 times
[2024-11-08 17:48:44,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:48:44,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487408894]
[2024-11-08 17:48:44,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:48:44,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:50:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:50:55,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 17:50:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:50:55,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 17:50:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:50:55,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-08 17:50:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:50:55,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 17:50:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:50:55,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2024-11-08 17:50:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:50:55,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31
[2024-11-08 17:50:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:50:55,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2024-11-08 17:50:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:50:55,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 17:50:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:50:55,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 17:50:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:50:55,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55
[2024-11-08 17:50:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:50:55,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2024-11-08 17:50:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:50:55,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2024-11-08 17:50:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:50:55,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73
[2024-11-08 17:50:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:50:55,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79
[2024-11-08 17:50:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:50:56,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-08 17:50:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:50:56,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2024-11-08 17:50:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:50:56,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97
[2024-11-08 17:50:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:50:56,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 17:50:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:50:56,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2024-11-08 17:50:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:50:56,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115
[2024-11-08 17:50:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:50:56,101 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked.
[2024-11-08 17:50:56,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:50:56,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487408894]
[2024-11-08 17:50:56,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487408894] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 17:50:56,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356917552]
[2024-11-08 17:50:56,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:50:56,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:50:56,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4829f40a-a4a4-49c5-bd2a-06587453199f/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:50:56,108 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4829f40a-a4a4-49c5-bd2a-06587453199f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:50:56,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4829f40a-a4a4-49c5-bd2a-06587453199f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 17:52:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:52:39,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 7802 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-08 17:52:39,555 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:52:40,749 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked.
[2024-11-08 17:52:40,749 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:52:40,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356917552] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:52:40,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 17:52:40,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11
[2024-11-08 17:52:40,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408482546]
[2024-11-08 17:52:40,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:52:40,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 17:52:40,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:52:40,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 17:52:40,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110
[2024-11-08 17:52:40,762 INFO L87 Difference]: Start difference. First operand 135 states and 179 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19)
[2024-11-08 17:52:42,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:52:42,663 INFO L93 Difference]: Finished difference Result 240 states and 323 transitions.
[2024-11-08 17:52:42,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 17:52:42,664 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 125
[2024-11-08 17:52:42,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:52:42,666 INFO L225 Difference]: With dead ends: 240
[2024-11-08 17:52:42,667 INFO L226 Difference]: Without dead ends: 138
[2024-11-08 17:52:42,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182
[2024-11-08 17:52:42,670 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 182 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2024-11-08 17:52:42,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 498 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2024-11-08 17:52:42,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states.
[2024-11-08 17:52:42,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138.
[2024-11-08 17:52:42,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 90 states have (on average 1.2222222222222223) internal successors, (110), 92 states have internal predecessors, (110), 36 states have call successors, (36), 10 states have call predecessors, (36), 11 states have return successors, (37), 35 states have call predecessors, (37), 35 states have call successors, (37)
[2024-11-08 17:52:42,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 183 transitions.
[2024-11-08 17:52:42,693 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 183 transitions. Word has length 125
[2024-11-08 17:52:42,693 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:52:42,693 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 183 transitions.
[2024-11-08 17:52:42,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19)
[2024-11-08 17:52:42,694 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 183 transitions.
[2024-11-08 17:52:42,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132
[2024-11-08 17:52:42,697 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:52:42,700 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:52:42,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4829f40a-a4a4-49c5-bd2a-06587453199f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-08 17:52:42,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4829f40a-a4a4-49c5-bd2a-06587453199f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1
[2024-11-08 17:52:42,901 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:52:42,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:52:42,902 INFO L85 PathProgramCache]: Analyzing trace with hash 386219336, now seen corresponding path program 1 times
[2024-11-08 17:52:42,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:52:42,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6632783]
[2024-11-08 17:52:42,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:52:42,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:54:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:54:31,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 17:54:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:54:31,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 17:54:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:54:32,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-08 17:54:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:54:32,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 17:54:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:54:32,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2024-11-08 17:54:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:54:32,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31
[2024-11-08 17:54:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:54:32,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2024-11-08 17:54:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:54:32,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 17:54:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:54:32,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 17:54:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:54:32,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55
[2024-11-08 17:54:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:54:32,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2024-11-08 17:54:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:54:32,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73
[2024-11-08 17:54:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:54:32,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79
[2024-11-08 17:54:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:54:32,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-08 17:54:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:54:33,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91
[2024-11-08 17:54:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:54:33,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97
[2024-11-08 17:54:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:54:33,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103
[2024-11-08 17:54:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:54:33,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 17:54:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:54:33,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2024-11-08 17:54:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:54:33,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2024-11-08 17:54:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:54:33,076 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked.
[2024-11-08 17:54:33,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:54:33,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6632783]
[2024-11-08 17:54:33,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6632783] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 17:54:33,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48662993]
[2024-11-08 17:54:33,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:54:33,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:54:33,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4829f40a-a4a4-49c5-bd2a-06587453199f/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:54:33,080 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4829f40a-a4a4-49c5-bd2a-06587453199f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:54:33,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4829f40a-a4a4-49c5-bd2a-06587453199f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-08 17:56:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:56:18,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 7819 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-08 17:56:18,696 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:56:20,169 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked.
[2024-11-08 17:56:20,170 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:56:20,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48662993] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:56:20,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 17:56:20,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13
[2024-11-08 17:56:20,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69307582]
[2024-11-08 17:56:20,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:56:20,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-08 17:56:20,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:56:20,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-08 17:56:20,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156
[2024-11-08 17:56:20,174 INFO L87 Difference]: Start difference. First operand 138 states and 183 transitions. Second operand has 7 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19)
[2024-11-08 17:56:22,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:56:22,517 INFO L93 Difference]: Finished difference Result 229 states and 305 transitions.
[2024-11-08 17:56:22,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-08 17:56:22,518 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 131
[2024-11-08 17:56:22,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:56:22,521 INFO L225 Difference]: With dead ends: 229
[2024-11-08 17:56:22,521 INFO L226 Difference]: Without dead ends: 135
[2024-11-08 17:56:22,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272
[2024-11-08 17:56:22,524 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 184 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2024-11-08 17:56:22,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 626 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2024-11-08 17:56:22,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states.
[2024-11-08 17:56:22,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135.
[2024-11-08 17:56:22,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 88 states have (on average 1.2159090909090908) internal successors, (107), 89 states have internal predecessors, (107), 36 states have call successors, (36), 10 states have call predecessors, (36), 10 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35)
[2024-11-08 17:56:22,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 178 transitions.
[2024-11-08 17:56:22,544 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 178 transitions. Word has length 131
[2024-11-08 17:56:22,545 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:56:22,545 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 178 transitions.
[2024-11-08 17:56:22,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19)
[2024-11-08 17:56:22,546 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 178 transitions.
[2024-11-08 17:56:22,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144
[2024-11-08 17:56:22,549 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:56:22,549 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:56:22,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4829f40a-a4a4-49c5-bd2a-06587453199f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-08 17:56:22,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4829f40a-a4a4-49c5-bd2a-06587453199f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2024-11-08 17:56:22,750 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:56:22,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:56:22,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1105577698, now seen corresponding path program 1 times
[2024-11-08 17:56:22,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:56:22,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304043973]
[2024-11-08 17:56:22,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:56:22,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:58:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:58:28,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 17:58:28,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:58:28,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 17:58:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:58:29,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-08 17:58:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:58:29,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 17:58:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:58:29,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2024-11-08 17:58:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:58:29,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31
[2024-11-08 17:58:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:58:29,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2024-11-08 17:58:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:58:29,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 17:58:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:58:29,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 17:58:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:58:29,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55
[2024-11-08 17:58:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:58:30,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2024-11-08 17:58:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:58:30,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73
[2024-11-08 17:58:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:58:30,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79
[2024-11-08 17:58:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:58:30,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-08 17:58:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:58:30,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97
[2024-11-08 17:58:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:58:30,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103
[2024-11-08 17:58:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:58:30,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109
[2024-11-08 17:58:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:58:30,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-08 17:58:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:58:30,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2024-11-08 17:58:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:58:30,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2024-11-08 17:58:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:58:30,670 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked.
[2024-11-08 17:58:30,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:58:30,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304043973]
[2024-11-08 17:58:30,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304043973] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 17:58:30,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796268194]
[2024-11-08 17:58:30,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:58:30,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:58:30,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4829f40a-a4a4-49c5-bd2a-06587453199f/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:58:30,673 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4829f40a-a4a4-49c5-bd2a-06587453199f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:58:30,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4829f40a-a4a4-49c5-bd2a-06587453199f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-08 18:00:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:00:22,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 7853 conjuncts, 26 conjuncts are in the unsatisfiable core
[2024-11-08 18:00:22,984 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:00:23,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1
[2024-11-08 18:00:25,576 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked.
[2024-11-08 18:00:25,577 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:00:25,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796268194] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:00:25,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 18:00:25,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12] total 17
[2024-11-08 18:00:25,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578654612]
[2024-11-08 18:00:25,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:00:25,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-08 18:00:25,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:00:25,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-08 18:00:25,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272
[2024-11-08 18:00:25,581 INFO L87 Difference]: Start difference. First operand 135 states and 178 transitions. Second operand has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 9 states have internal predecessors, (64), 4 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19)
[2024-11-08 18:00:29,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 18:00:33,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 18:00:38,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:00:38,077 INFO L93 Difference]: Finished difference Result 254 states and 336 transitions.
[2024-11-08 18:00:38,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2024-11-08 18:00:38,078 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 9 states have internal predecessors, (64), 4 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) Word has length 143
[2024-11-08 18:00:38,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:00:38,081 INFO L225 Difference]: With dead ends: 254
[2024-11-08 18:00:38,081 INFO L226 Difference]: Without dead ends: 152
[2024-11-08 18:00:38,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=74, Invalid=306, Unknown=0, NotChecked=0, Total=380
[2024-11-08 18:00:38,088 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 147 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 24 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time
[2024-11-08 18:00:38,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 755 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 384 Invalid, 2 Unknown, 0 Unchecked, 11.9s Time]
[2024-11-08 18:00:38,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states.
[2024-11-08 18:00:38,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 146.
[2024-11-08 18:00:38,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 96 states have (on average 1.1979166666666667) internal successors, (115), 98 states have internal predecessors, (115), 36 states have call successors, (36), 12 states have call predecessors, (36), 13 states have return successors, (37), 35 states have call predecessors, (37), 35 states have call successors, (37)
[2024-11-08 18:00:38,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 188 transitions.
[2024-11-08 18:00:38,127 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 188 transitions. Word has length 143
[2024-11-08 18:00:38,128 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:00:38,128 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 188 transitions.
[2024-11-08 18:00:38,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 9 states have internal predecessors, (64), 4 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19)
[2024-11-08 18:00:38,129 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 188 transitions.
[2024-11-08 18:00:38,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148
[2024-11-08 18:00:38,135 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 18:00:38,135 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:00:38,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4829f40a-a4a4-49c5-bd2a-06587453199f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-08 18:00:38,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4829f40a-a4a4-49c5-bd2a-06587453199f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:00:38,336 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:00:38,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:00:38,336 INFO L85 PathProgramCache]: Analyzing trace with hash -2010017756, now seen corresponding path program 1 times
[2024-11-08 18:00:38,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:00:38,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267922930]
[2024-11-08 18:00:38,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:00:38,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms