./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label23.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
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_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label23.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB --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 32bit --witnessprinter.graph.data.programhash f668bcf95cb3f7c5766f9dcc6b0650136e6fca9e506098f3960957e6cecfca84
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-11-28 04:42:30,299 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-28 04:42:30,397 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-28 04:42:30,407 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-28 04:42:30,407 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-28 04:42:30,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-28 04:42:30,451 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-28 04:42:30,452 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-28 04:42:30,452 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-28 04:42:30,453 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-28 04:42:30,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-28 04:42:30,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-28 04:42:30,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-28 04:42:30,454 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-28 04:42:30,455 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-28 04:42:30,455 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-28 04:42:30,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-28 04:42:30,456 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-28 04:42:30,456 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-28 04:42:30,456 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-28 04:42:30,456 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-28 04:42:30,456 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-28 04:42:30,456 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-28 04:42:30,456 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-28 04:42:30,456 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-28 04:42:30,456 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-28 04:42:30,456 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-28 04:42:30,456 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-28 04:42:30,457 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-28 04:42:30,457 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-28 04:42:30,457 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-28 04:42:30,457 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-28 04:42:30,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-28 04:42:30,457 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-28 04:42:30,457 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-28 04:42:30,457 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-28 04:42:30,458 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-28 04:42:30,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-28 04:42:30,459 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-28 04:42:30,459 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-28 04:42:30,459 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-28 04:42:30,459 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-28 04:42:30,459 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-28 04:42:30,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-28 04:42:30,460 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-28 04:42:30,460 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-28 04:42:30,460 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-28 04:42:30,460 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-28 04:42:30,460 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_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB
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 -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f668bcf95cb3f7c5766f9dcc6b0650136e6fca9e506098f3960957e6cecfca84
[2024-11-28 04:42:30,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-28 04:42:30,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-28 04:42:30,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-28 04:42:30,817 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-28 04:42:30,817 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-28 04:42:30,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/eca-rers2012/Problem10_label23.c
[2024-11-28 04:42:33,870 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/data/92c4b2fce/cfa1175cbe2a4e568f8985db84588a25/FLAG4206ab2c5
[2024-11-28 04:42:34,247 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-28 04:42:34,252 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/sv-benchmarks/c/eca-rers2012/Problem10_label23.c
[2024-11-28 04:42:34,268 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/data/92c4b2fce/cfa1175cbe2a4e568f8985db84588a25/FLAG4206ab2c5
[2024-11-28 04:42:34,428 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/data/92c4b2fce/cfa1175cbe2a4e568f8985db84588a25
[2024-11-28 04:42:34,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-28 04:42:34,432 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-28 04:42:34,433 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-28 04:42:34,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-28 04:42:34,437 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-28 04:42:34,438 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:34" (1/1) ...
[2024-11-28 04:42:34,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c8135be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:34, skipping insertion in model container
[2024-11-28 04:42:34,439 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:34" (1/1) ...
[2024-11-28 04:42:34,470 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-28 04:42:34,677 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_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/sv-benchmarks/c/eca-rers2012/Problem10_label23.c[5328,5341]
[2024-11-28 04:42:34,805 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-28 04:42:34,817 INFO L200 MainTranslator]: Completed pre-run
[2024-11-28 04:42:34,839 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_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/sv-benchmarks/c/eca-rers2012/Problem10_label23.c[5328,5341]
[2024-11-28 04:42:34,923 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-28 04:42:34,947 INFO L204 MainTranslator]: Completed translation
[2024-11-28 04:42:34,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:34 WrapperNode
[2024-11-28 04:42:34,949 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-28 04:42:34,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-28 04:42:34,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-28 04:42:34,951 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-28 04:42:34,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:34" (1/1) ...
[2024-11-28 04:42:34,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:34" (1/1) ...
[2024-11-28 04:42:35,040 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597
[2024-11-28 04:42:35,041 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-28 04:42:35,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-28 04:42:35,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-28 04:42:35,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-28 04:42:35,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:34" (1/1) ...
[2024-11-28 04:42:35,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:34" (1/1) ...
[2024-11-28 04:42:35,056 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:34" (1/1) ...
[2024-11-28 04:42:35,090 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-28 04:42:35,090 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:34" (1/1) ...
[2024-11-28 04:42:35,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:34" (1/1) ...
[2024-11-28 04:42:35,107 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:34" (1/1) ...
[2024-11-28 04:42:35,109 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:34" (1/1) ...
[2024-11-28 04:42:35,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:34" (1/1) ...
[2024-11-28 04:42:35,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:34" (1/1) ...
[2024-11-28 04:42:35,123 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:34" (1/1) ...
[2024-11-28 04:42:35,130 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-28 04:42:35,131 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-28 04:42:35,131 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-28 04:42:35,134 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-28 04:42:35,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:34" (1/1) ...
[2024-11-28 04:42:35,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-28 04:42:35,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/z3
[2024-11-28 04:42:35,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-28 04:42:35,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-28 04:42:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-28 04:42:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-28 04:42:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-28 04:42:35,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-28 04:42:35,278 INFO L234 CfgBuilder]: Building ICFG
[2024-11-28 04:42:35,280 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-28 04:42:36,699 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live.
[2024-11-28 04:42:36,699 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-28 04:42:36,720 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-28 04:42:36,722 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-28 04:42:36,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:36 BoogieIcfgContainer
[2024-11-28 04:42:36,723 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-28 04:42:36,725 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-28 04:42:36,726 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-28 04:42:36,731 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-28 04:42:36,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:42:34" (1/3) ...
[2024-11-28 04:42:36,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1da4d00b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:42:36, skipping insertion in model container
[2024-11-28 04:42:36,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:34" (2/3) ...
[2024-11-28 04:42:36,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1da4d00b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:42:36, skipping insertion in model container
[2024-11-28 04:42:36,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:36" (3/3) ...
[2024-11-28 04:42:36,736 INFO L128 eAbstractionObserver]: Analyzing ICFG Problem10_label23.c
[2024-11-28 04:42:36,755 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-28 04:42:36,757 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem10_label23.c that has 1 procedures, 206 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-28 04:42:36,840 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-28 04:42:36,856 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;@4ba0df49, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-28 04:42:36,856 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-28 04:42:36,863 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:36,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2024-11-28 04:42:36,872 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-28 04:42:36,873 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-28 04:42:36,874 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 04:42:36,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 04:42:36,881 INFO L85 PathProgramCache]: Analyzing trace with hash 291089130, now seen corresponding path program 1 times
[2024-11-28 04:42:36,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 04:42:36,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528280262]
[2024-11-28 04:42:36,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 04:42:36,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 04:42:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 04:42:37,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 04:42:37,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 04:42:37,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528280262]
[2024-11-28 04:42:37,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528280262] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 04:42:37,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 04:42:37,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-28 04:42:37,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975531245]
[2024-11-28 04:42:37,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 04:42:37,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-28 04:42:37,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 04:42:37,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-28 04:42:37,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-28 04:42:37,429 INFO L87 Difference]: Start difference. First operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:38,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 04:42:38,517 INFO L93 Difference]: Finished difference Result 552 states and 966 transitions.
[2024-11-28 04:42:38,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-28 04:42:38,521 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46
[2024-11-28 04:42:38,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 04:42:38,535 INFO L225 Difference]: With dead ends: 552
[2024-11-28 04:42:38,535 INFO L226 Difference]: Without dead ends: 282
[2024-11-28 04:42:38,542 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-28 04:42:38,550 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 117 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-28 04:42:38,552 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 120 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-28 04:42:38,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states.
[2024-11-28 04:42:38,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282.
[2024-11-28 04:42:38,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.3416370106761566) internal successors, (377), 281 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:38,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 377 transitions.
[2024-11-28 04:42:38,628 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 377 transitions. Word has length 46
[2024-11-28 04:42:38,628 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-28 04:42:38,629 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 377 transitions.
[2024-11-28 04:42:38,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:38,629 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 377 transitions.
[2024-11-28 04:42:38,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113
[2024-11-28 04:42:38,637 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-28 04:42:38,637 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-28 04:42:38,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-28 04:42:38,638 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 04:42:38,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 04:42:38,639 INFO L85 PathProgramCache]: Analyzing trace with hash 413449494, now seen corresponding path program 1 times
[2024-11-28 04:42:38,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 04:42:38,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496899150]
[2024-11-28 04:42:38,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 04:42:38,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 04:42:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 04:42:39,133 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 04:42:39,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 04:42:39,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496899150]
[2024-11-28 04:42:39,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496899150] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 04:42:39,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 04:42:39,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-28 04:42:39,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351260854]
[2024-11-28 04:42:39,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 04:42:39,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-28 04:42:39,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 04:42:39,137 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-28 04:42:39,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-28 04:42:39,137 INFO L87 Difference]: Start difference. First operand 282 states and 377 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:39,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 04:42:39,818 INFO L93 Difference]: Finished difference Result 701 states and 967 transitions.
[2024-11-28 04:42:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-28 04:42:39,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112
[2024-11-28 04:42:39,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 04:42:39,822 INFO L225 Difference]: With dead ends: 701
[2024-11-28 04:42:39,822 INFO L226 Difference]: Without dead ends: 421
[2024-11-28 04:42:39,824 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-28 04:42:39,825 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 100 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-28 04:42:39,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 215 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-28 04:42:39,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states.
[2024-11-28 04:42:39,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421.
[2024-11-28 04:42:39,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.2523809523809524) internal successors, (526), 420 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:39,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 526 transitions.
[2024-11-28 04:42:39,868 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 526 transitions. Word has length 112
[2024-11-28 04:42:39,868 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-28 04:42:39,869 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 526 transitions.
[2024-11-28 04:42:39,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:39,869 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 526 transitions.
[2024-11-28 04:42:39,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120
[2024-11-28 04:42:39,874 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-28 04:42:39,875 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-28 04:42:39,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-28 04:42:39,875 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 04:42:39,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 04:42:39,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1323359063, now seen corresponding path program 1 times
[2024-11-28 04:42:39,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 04:42:39,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149279532]
[2024-11-28 04:42:39,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 04:42:39,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 04:42:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 04:42:40,332 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 04:42:40,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 04:42:40,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149279532]
[2024-11-28 04:42:40,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149279532] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 04:42:40,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 04:42:40,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-28 04:42:40,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343140028]
[2024-11-28 04:42:40,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 04:42:40,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-28 04:42:40,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 04:42:40,336 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-28 04:42:40,336 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-28 04:42:40,337 INFO L87 Difference]: Start difference. First operand 421 states and 526 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:40,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 04:42:40,925 INFO L93 Difference]: Finished difference Result 979 states and 1209 transitions.
[2024-11-28 04:42:40,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-28 04:42:40,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119
[2024-11-28 04:42:40,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 04:42:40,929 INFO L225 Difference]: With dead ends: 979
[2024-11-28 04:42:40,930 INFO L226 Difference]: Without dead ends: 560
[2024-11-28 04:42:40,933 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-28 04:42:40,934 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 68 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-28 04:42:40,935 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 77 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-28 04:42:40,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states.
[2024-11-28 04:42:40,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560.
[2024-11-28 04:42:40,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 559 states have (on average 1.2075134168157424) internal successors, (675), 559 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:40,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 675 transitions.
[2024-11-28 04:42:40,959 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 675 transitions. Word has length 119
[2024-11-28 04:42:40,962 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-28 04:42:40,963 INFO L471 AbstractCegarLoop]: Abstraction has 560 states and 675 transitions.
[2024-11-28 04:42:40,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:40,963 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 675 transitions.
[2024-11-28 04:42:40,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122
[2024-11-28 04:42:40,965 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-28 04:42:40,965 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-28 04:42:40,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-28 04:42:40,965 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 04:42:40,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 04:42:40,966 INFO L85 PathProgramCache]: Analyzing trace with hash 2053972964, now seen corresponding path program 1 times
[2024-11-28 04:42:40,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 04:42:40,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737600288]
[2024-11-28 04:42:40,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 04:42:40,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 04:42:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 04:42:41,341 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 32 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 04:42:41,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 04:42:41,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737600288]
[2024-11-28 04:42:41,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737600288] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-28 04:42:41,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602629568]
[2024-11-28 04:42:41,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 04:42:41,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-28 04:42:41,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/z3
[2024-11-28 04:42:41,346 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-28 04:42:41,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-28 04:42:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 04:42:41,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-28 04:42:41,456 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-28 04:42:41,585 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 04:42:41,585 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-28 04:42:41,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602629568] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 04:42:41,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-28 04:42:41,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6
[2024-11-28 04:42:41,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373415427]
[2024-11-28 04:42:41,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 04:42:41,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-28 04:42:41,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 04:42:41,587 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-28 04:42:41,587 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-28 04:42:41,588 INFO L87 Difference]: Start difference. First operand 560 states and 675 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:42,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 04:42:42,269 INFO L93 Difference]: Finished difference Result 979 states and 1199 transitions.
[2024-11-28 04:42:42,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-28 04:42:42,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121
[2024-11-28 04:42:42,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 04:42:42,274 INFO L225 Difference]: With dead ends: 979
[2024-11-28 04:42:42,274 INFO L226 Difference]: Without dead ends: 977
[2024-11-28 04:42:42,275 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-28 04:42:42,276 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 138 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-28 04:42:42,278 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 11 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-28 04:42:42,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states.
[2024-11-28 04:42:42,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 699.
[2024-11-28 04:42:42,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.2736389684813754) internal successors, (889), 698 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:42,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 889 transitions.
[2024-11-28 04:42:42,307 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 889 transitions. Word has length 121
[2024-11-28 04:42:42,307 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-28 04:42:42,307 INFO L471 AbstractCegarLoop]: Abstraction has 699 states and 889 transitions.
[2024-11-28 04:42:42,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:42,308 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 889 transitions.
[2024-11-28 04:42:42,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165
[2024-11-28 04:42:42,313 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-28 04:42:42,313 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1]
[2024-11-28 04:42:42,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-28 04:42:42,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-28 04:42:42,518 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 04:42:42,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 04:42:42,518 INFO L85 PathProgramCache]: Analyzing trace with hash -402156972, now seen corresponding path program 1 times
[2024-11-28 04:42:42,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 04:42:42,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013100634]
[2024-11-28 04:42:42,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 04:42:42,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 04:42:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 04:42:43,055 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 04:42:43,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 04:42:43,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013100634]
[2024-11-28 04:42:43,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013100634] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 04:42:43,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 04:42:43,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-28 04:42:43,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935557635]
[2024-11-28 04:42:43,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 04:42:43,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-28 04:42:43,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 04:42:43,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-28 04:42:43,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-28 04:42:43,057 INFO L87 Difference]: Start difference. First operand 699 states and 889 transitions. Second operand has 4 states, 4 states have (on average 41.0) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:43,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 04:42:43,804 INFO L93 Difference]: Finished difference Result 1257 states and 1627 transitions.
[2024-11-28 04:42:43,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-28 04:42:43,805 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.0) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 164
[2024-11-28 04:42:43,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 04:42:43,808 INFO L225 Difference]: With dead ends: 1257
[2024-11-28 04:42:43,808 INFO L226 Difference]: Without dead ends: 699
[2024-11-28 04:42:43,809 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-28 04:42:43,810 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 87 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-28 04:42:43,811 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 87 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-28 04:42:43,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states.
[2024-11-28 04:42:43,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699.
[2024-11-28 04:42:43,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.2664756446991403) internal successors, (884), 698 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:43,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 884 transitions.
[2024-11-28 04:42:43,834 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 884 transitions. Word has length 164
[2024-11-28 04:42:43,834 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-28 04:42:43,835 INFO L471 AbstractCegarLoop]: Abstraction has 699 states and 884 transitions.
[2024-11-28 04:42:43,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.0) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:43,835 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 884 transitions.
[2024-11-28 04:42:43,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2024-11-28 04:42:43,838 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-28 04:42:43,838 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-28 04:42:43,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-28 04:42:43,839 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 04:42:43,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 04:42:43,840 INFO L85 PathProgramCache]: Analyzing trace with hash 407801522, now seen corresponding path program 1 times
[2024-11-28 04:42:43,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 04:42:43,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062731974]
[2024-11-28 04:42:43,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 04:42:43,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 04:42:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 04:42:44,451 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 04:42:44,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 04:42:44,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062731974]
[2024-11-28 04:42:44,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062731974] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 04:42:44,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 04:42:44,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-28 04:42:44,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413067184]
[2024-11-28 04:42:44,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 04:42:44,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-28 04:42:44,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 04:42:44,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-28 04:42:44,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2024-11-28 04:42:44,459 INFO L87 Difference]: Start difference. First operand 699 states and 884 transitions. Second operand has 7 states, 7 states have (on average 28.428571428571427) internal successors, (199), 6 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:45,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 04:42:45,054 INFO L93 Difference]: Finished difference Result 1312 states and 1677 transitions.
[2024-11-28 04:42:45,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-28 04:42:45,055 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 28.428571428571427) internal successors, (199), 6 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199
[2024-11-28 04:42:45,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 04:42:45,058 INFO L225 Difference]: With dead ends: 1312
[2024-11-28 04:42:45,058 INFO L226 Difference]: Without dead ends: 699
[2024-11-28 04:42:45,059 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2024-11-28 04:42:45,060 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 142 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-28 04:42:45,061 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 20 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-28 04:42:45,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states.
[2024-11-28 04:42:45,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699.
[2024-11-28 04:42:45,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.2607449856733524) internal successors, (880), 698 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:45,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 880 transitions.
[2024-11-28 04:42:45,080 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 880 transitions. Word has length 199
[2024-11-28 04:42:45,080 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-28 04:42:45,080 INFO L471 AbstractCegarLoop]: Abstraction has 699 states and 880 transitions.
[2024-11-28 04:42:45,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 28.428571428571427) internal successors, (199), 6 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:45,081 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 880 transitions.
[2024-11-28 04:42:45,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236
[2024-11-28 04:42:45,084 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-28 04:42:45,084 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-28 04:42:45,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-28 04:42:45,084 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 04:42:45,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 04:42:45,085 INFO L85 PathProgramCache]: Analyzing trace with hash -571956648, now seen corresponding path program 1 times
[2024-11-28 04:42:45,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 04:42:45,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374757920]
[2024-11-28 04:42:45,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 04:42:45,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 04:42:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 04:42:45,380 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 04:42:45,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 04:42:45,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374757920]
[2024-11-28 04:42:45,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374757920] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 04:42:45,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 04:42:45,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-28 04:42:45,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604876049]
[2024-11-28 04:42:45,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 04:42:45,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-28 04:42:45,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 04:42:45,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-28 04:42:45,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-28 04:42:45,383 INFO L87 Difference]: Start difference. First operand 699 states and 880 transitions. Second operand has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:46,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 04:42:46,047 INFO L93 Difference]: Finished difference Result 1535 states and 2042 transitions.
[2024-11-28 04:42:46,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-28 04:42:46,048 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 235
[2024-11-28 04:42:46,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 04:42:46,052 INFO L225 Difference]: With dead ends: 1535
[2024-11-28 04:42:46,052 INFO L226 Difference]: Without dead ends: 977
[2024-11-28 04:42:46,053 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-28 04:42:46,054 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 76 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-28 04:42:46,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 189 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-28 04:42:46,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states.
[2024-11-28 04:42:46,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977.
[2024-11-28 04:42:46,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 976 states have (on average 1.2592213114754098) internal successors, (1229), 976 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:46,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1229 transitions.
[2024-11-28 04:42:46,083 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1229 transitions. Word has length 235
[2024-11-28 04:42:46,083 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-28 04:42:46,083 INFO L471 AbstractCegarLoop]: Abstraction has 977 states and 1229 transitions.
[2024-11-28 04:42:46,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:46,083 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1229 transitions.
[2024-11-28 04:42:46,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279
[2024-11-28 04:42:46,087 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-28 04:42:46,087 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-28 04:42:46,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-28 04:42:46,087 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 04:42:46,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 04:42:46,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1938739439, now seen corresponding path program 1 times
[2024-11-28 04:42:46,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 04:42:46,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482955484]
[2024-11-28 04:42:46,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 04:42:46,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 04:42:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 04:42:46,838 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 102 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 04:42:46,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 04:42:46,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482955484]
[2024-11-28 04:42:46,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482955484] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-28 04:42:46,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159341020]
[2024-11-28 04:42:46,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 04:42:46,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-28 04:42:46,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/z3
[2024-11-28 04:42:46,842 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-28 04:42:46,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-28 04:42:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 04:42:47,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-28 04:42:47,015 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-28 04:42:47,453 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked.
[2024-11-28 04:42:47,457 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-28 04:42:47,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159341020] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 04:42:47,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-28 04:42:47,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6
[2024-11-28 04:42:47,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341693379]
[2024-11-28 04:42:47,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 04:42:47,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-28 04:42:47,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 04:42:47,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-28 04:42:47,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-28 04:42:47,460 INFO L87 Difference]: Start difference. First operand 977 states and 1229 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 2 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:48,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 04:42:48,128 INFO L93 Difference]: Finished difference Result 2091 states and 2645 transitions.
[2024-11-28 04:42:48,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-28 04:42:48,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 2 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 278
[2024-11-28 04:42:48,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 04:42:48,133 INFO L225 Difference]: With dead ends: 2091
[2024-11-28 04:42:48,134 INFO L226 Difference]: Without dead ends: 1255
[2024-11-28 04:42:48,135 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-28 04:42:48,136 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 55 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-28 04:42:48,137 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 34 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-28 04:42:48,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states.
[2024-11-28 04:42:48,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255.
[2024-11-28 04:42:48,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1254 states have (on average 1.1650717703349283) internal successors, (1461), 1254 states have internal predecessors, (1461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:48,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1461 transitions.
[2024-11-28 04:42:48,172 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1461 transitions. Word has length 278
[2024-11-28 04:42:48,174 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-28 04:42:48,174 INFO L471 AbstractCegarLoop]: Abstraction has 1255 states and 1461 transitions.
[2024-11-28 04:42:48,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 2 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:48,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1461 transitions.
[2024-11-28 04:42:48,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309
[2024-11-28 04:42:48,180 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-28 04:42:48,180 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-28 04:42:48,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-28 04:42:48,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-28 04:42:48,381 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 04:42:48,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 04:42:48,381 INFO L85 PathProgramCache]: Analyzing trace with hash -280744041, now seen corresponding path program 1 times
[2024-11-28 04:42:48,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 04:42:48,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004411274]
[2024-11-28 04:42:48,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 04:42:48,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 04:42:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 04:42:48,701 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked.
[2024-11-28 04:42:48,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 04:42:48,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004411274]
[2024-11-28 04:42:48,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004411274] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 04:42:48,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 04:42:48,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-28 04:42:48,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967095313]
[2024-11-28 04:42:48,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 04:42:48,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-28 04:42:48,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 04:42:48,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-28 04:42:48,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-28 04:42:48,704 INFO L87 Difference]: Start difference. First operand 1255 states and 1461 transitions. Second operand has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:49,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 04:42:49,280 INFO L93 Difference]: Finished difference Result 2647 states and 3154 transitions.
[2024-11-28 04:42:49,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-28 04:42:49,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 308
[2024-11-28 04:42:49,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 04:42:49,288 INFO L225 Difference]: With dead ends: 2647
[2024-11-28 04:42:49,288 INFO L226 Difference]: Without dead ends: 1533
[2024-11-28 04:42:49,290 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-28 04:42:49,290 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 63 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-28 04:42:49,291 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 215 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-28 04:42:49,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states.
[2024-11-28 04:42:49,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1394.
[2024-11-28 04:42:49,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1393 states have (on average 1.1593682699210337) internal successors, (1615), 1393 states have internal predecessors, (1615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:49,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1615 transitions.
[2024-11-28 04:42:49,327 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1615 transitions. Word has length 308
[2024-11-28 04:42:49,327 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-28 04:42:49,328 INFO L471 AbstractCegarLoop]: Abstraction has 1394 states and 1615 transitions.
[2024-11-28 04:42:49,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:49,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1615 transitions.
[2024-11-28 04:42:49,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319
[2024-11-28 04:42:49,333 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-28 04:42:49,333 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-28 04:42:49,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-28 04:42:49,333 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 04:42:49,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 04:42:49,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1719694206, now seen corresponding path program 1 times
[2024-11-28 04:42:49,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 04:42:49,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295022700]
[2024-11-28 04:42:49,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 04:42:49,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 04:42:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 04:42:49,726 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked.
[2024-11-28 04:42:49,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 04:42:49,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295022700]
[2024-11-28 04:42:49,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295022700] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 04:42:49,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 04:42:49,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-28 04:42:49,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858253488]
[2024-11-28 04:42:49,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 04:42:49,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-28 04:42:49,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 04:42:49,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-28 04:42:49,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-28 04:42:49,728 INFO L87 Difference]: Start difference. First operand 1394 states and 1615 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:50,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 04:42:50,376 INFO L93 Difference]: Finished difference Result 2369 states and 2741 transitions.
[2024-11-28 04:42:50,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-28 04:42:50,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 318
[2024-11-28 04:42:50,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 04:42:50,384 INFO L225 Difference]: With dead ends: 2369
[2024-11-28 04:42:50,384 INFO L226 Difference]: Without dead ends: 2367
[2024-11-28 04:42:50,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-28 04:42:50,386 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 102 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-28 04:42:50,386 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 37 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-28 04:42:50,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2367 states.
[2024-11-28 04:42:50,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2367 to 1255.
[2024-11-28 04:42:50,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1254 states have (on average 1.164274322169059) internal successors, (1460), 1254 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:50,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1460 transitions.
[2024-11-28 04:42:50,425 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1460 transitions. Word has length 318
[2024-11-28 04:42:50,426 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-28 04:42:50,426 INFO L471 AbstractCegarLoop]: Abstraction has 1255 states and 1460 transitions.
[2024-11-28 04:42:50,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:50,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1460 transitions.
[2024-11-28 04:42:50,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347
[2024-11-28 04:42:50,431 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-28 04:42:50,432 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-28 04:42:50,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-28 04:42:50,432 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 04:42:50,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 04:42:50,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1941973398, now seen corresponding path program 1 times
[2024-11-28 04:42:50,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 04:42:50,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295649826]
[2024-11-28 04:42:50,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 04:42:50,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 04:42:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 04:42:51,104 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 331 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 04:42:51,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 04:42:51,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295649826]
[2024-11-28 04:42:51,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295649826] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-28 04:42:51,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801326746]
[2024-11-28 04:42:51,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 04:42:51,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-28 04:42:51,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/z3
[2024-11-28 04:42:51,108 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-28 04:42:51,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-28 04:42:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 04:42:51,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-28 04:42:51,272 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-28 04:42:51,487 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 309 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked.
[2024-11-28 04:42:51,490 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-28 04:42:51,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [801326746] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 04:42:51,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-28 04:42:51,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7
[2024-11-28 04:42:51,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206605690]
[2024-11-28 04:42:51,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 04:42:51,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-28 04:42:51,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 04:42:51,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-28 04:42:51,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-28 04:42:51,492 INFO L87 Difference]: Start difference. First operand 1255 states and 1460 transitions. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:52,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 04:42:52,205 INFO L93 Difference]: Finished difference Result 3203 states and 3742 transitions.
[2024-11-28 04:42:52,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-28 04:42:52,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 346
[2024-11-28 04:42:52,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 04:42:52,214 INFO L225 Difference]: With dead ends: 3203
[2024-11-28 04:42:52,214 INFO L226 Difference]: Without dead ends: 2089
[2024-11-28 04:42:52,216 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-28 04:42:52,216 INFO L435 NwaCegarLoop]: 200 mSDtfsCounter, 22 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-28 04:42:52,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 205 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-28 04:42:52,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states.
[2024-11-28 04:42:52,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089.
[2024-11-28 04:42:52,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2089 states, 2088 states have (on average 1.1345785440613028) internal successors, (2369), 2088 states have internal predecessors, (2369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:52,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2369 transitions.
[2024-11-28 04:42:52,269 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2369 transitions. Word has length 346
[2024-11-28 04:42:52,270 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-28 04:42:52,270 INFO L471 AbstractCegarLoop]: Abstraction has 2089 states and 2369 transitions.
[2024-11-28 04:42:52,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:52,271 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2369 transitions.
[2024-11-28 04:42:52,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360
[2024-11-28 04:42:52,278 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-28 04:42:52,278 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-28 04:42:52,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-28 04:42:52,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-28 04:42:52,479 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 04:42:52,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 04:42:52,480 INFO L85 PathProgramCache]: Analyzing trace with hash -4412154, now seen corresponding path program 1 times
[2024-11-28 04:42:52,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-28 04:42:52,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119916853]
[2024-11-28 04:42:52,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 04:42:52,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-28 04:42:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 04:42:52,789 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked.
[2024-11-28 04:42:52,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-28 04:42:52,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119916853]
[2024-11-28 04:42:52,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119916853] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 04:42:52,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 04:42:52,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-28 04:42:52,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360499733]
[2024-11-28 04:42:52,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 04:42:52,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-28 04:42:52,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-28 04:42:52,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-28 04:42:52,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-28 04:42:52,790 INFO L87 Difference]: Start difference. First operand 2089 states and 2369 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:53,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 04:42:53,418 INFO L93 Difference]: Finished difference Result 4035 states and 4592 transitions.
[2024-11-28 04:42:53,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-28 04:42:53,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 359
[2024-11-28 04:42:53,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 04:42:53,420 INFO L225 Difference]: With dead ends: 4035
[2024-11-28 04:42:53,420 INFO L226 Difference]: Without dead ends: 0
[2024-11-28 04:42:53,423 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-28 04:42:53,423 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 100 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-28 04:42:53,424 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 212 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-28 04:42:53,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-28 04:42:53,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-28 04:42:53,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:53,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-28 04:42:53,426 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 359
[2024-11-28 04:42:53,426 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-28 04:42:53,426 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-28 04:42:53,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:42:53,427 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-28 04:42:53,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-28 04:42:53,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-28 04:42:53,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-28 04:42:53,434 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-28 04:42:53,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-28 04:42:53,744 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-28 04:42:53,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:42:53 BoogieIcfgContainer
[2024-11-28 04:42:53,773 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-28 04:42:53,774 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-28 04:42:53,774 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-28 04:42:53,774 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-28 04:42:53,775 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:36" (3/4) ...
[2024-11-28 04:42:53,778 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-11-28 04:42:53,801 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-11-28 04:42:53,805 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-28 04:42:53,806 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-28 04:42:53,807 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-28 04:42:53,966 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml
[2024-11-28 04:42:53,967 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml
[2024-11-28 04:42:53,968 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-28 04:42:53,969 INFO L158 Benchmark]: Toolchain (without parser) took 19536.48ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 93.2MB in the beginning and 373.2MB in the end (delta: -280.0MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB.
[2024-11-28 04:42:53,969 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-28 04:42:53,970 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.69ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 66.3MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-28 04:42:53,971 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.50ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 58.4MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-28 04:42:53,971 INFO L158 Benchmark]: Boogie Preprocessor took 88.90ms. Allocated memory is still 117.4MB. Free memory was 58.4MB in the beginning and 48.7MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-28 04:42:53,971 INFO L158 Benchmark]: RCFGBuilder took 1591.90ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 48.7MB in the beginning and 290.7MB in the end (delta: -242.0MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB.
[2024-11-28 04:42:53,972 INFO L158 Benchmark]: TraceAbstraction took 17048.20ms. Allocated memory was 352.3MB in the beginning and 427.8MB in the end (delta: 75.5MB). Free memory was 290.0MB in the beginning and 385.7MB in the end (delta: -95.6MB). Peak memory consumption was 223.0MB. Max. memory is 16.1GB.
[2024-11-28 04:42:53,973 INFO L158 Benchmark]: Witness Printer took 193.70ms. Allocated memory is still 427.8MB. Free memory was 385.7MB in the beginning and 373.2MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-28 04:42:53,975 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 516.69ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 66.3MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 90.50ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 58.4MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 88.90ms. Allocated memory is still 117.4MB. Free memory was 58.4MB in the beginning and 48.7MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 1591.90ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 48.7MB in the beginning and 290.7MB in the end (delta: -242.0MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB.
* TraceAbstraction took 17048.20ms. Allocated memory was 352.3MB in the beginning and 427.8MB in the end (delta: 75.5MB). Free memory was 290.0MB in the beginning and 385.7MB in the end (delta: -95.6MB). Peak memory consumption was 223.0MB. Max. memory is 16.1GB.
* Witness Printer took 193.70ms. Allocated memory is still 427.8MB. Free memory was 385.7MB in the beginning and 373.2MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 152]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.6s, OverallIterations: 12, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1070 SdHoareTripleChecker+Valid, 7.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1070 mSDsluCounter, 1422 SdHoareTripleChecker+Invalid, 6.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 65 mSDsCounter, 668 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4716 IncrementalHoareTripleChecker+Invalid, 5384 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 668 mSolverCounterUnsat, 1357 mSDtfsCounter, 4716 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 785 GetRequests, 756 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2089occurred in iteration=11, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 1529 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 3350 NumberOfCodeBlocks, 3350 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3335 ConstructedInterpolants, 0 QuantifiedInterpolants, 12579 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1057 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 2658/2809 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 592]: Loop Invariant
Derived loop invariant: (((((((((a19 <= 9) && (a10 == 4)) && (14 == a4)) && (a12 == 0)) || ((((a10 == 1) && (8 <= a19)) && (14 == a4)) && (a12 == 0))) || ((((a19 <= 9) && (14 == a4)) && (a10 == 2)) && (a12 == 0))) || ((((a19 <= 9) && (a10 == 3)) && (14 == a4)) && (a12 == 0))) || (((a10 <= 0) && (14 == a4)) && (a12 == 0))) || ((((0 <= ((long long) a1 + 12)) && (a10 == 1)) && (14 == a4)) && (a12 == 0)))
RESULT: Ultimate proved your program to be correct!
[2024-11-28 04:42:54,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6821ce46-9d2f-4bbb-bbe2-de290d29c9b5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE