./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0b6cec80466d26e7f9fcd66257be2e9ddc0be03c06ed1a001e454a4fe37aa1e9
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:57:25,170 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:57:25,281 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf
[2023-11-19 07:57:25,285 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:57:25,290 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:57:25,323 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:57:25,323 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:57:25,324 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:57:25,325 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:57:25,330 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:57:25,332 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:57:25,332 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:57:25,332 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:57:25,334 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:57:25,335 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:57:25,335 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:57:25,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:57:25,336 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:57:25,336 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:57:25,337 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:57:25,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:57:25,338 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:57:25,339 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:57:25,339 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:57:25,339 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:57:25,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:57:25,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:57:25,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:57:25,341 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:57:25,341 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:57:25,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:57:25,343 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:57:25,343 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:57:25,350 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:57:25,350 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:57:25,350 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:57:25,351 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b6cec80466d26e7f9fcd66257be2e9ddc0be03c06ed1a001e454a4fe37aa1e9
[2023-11-19 07:57:25,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:57:25,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:57:25,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:57:25,706 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:57:25,708 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:57:25,709 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i
[2023-11-19 07:57:28,820 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:57:29,318 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:57:29,319 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i
[2023-11-19 07:57:29,361 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu/data/6536d1fd6/573e301526ab49e2a66a6ea030c23420/FLAG9f90f5080
[2023-11-19 07:57:29,377 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu/data/6536d1fd6/573e301526ab49e2a66a6ea030c23420
[2023-11-19 07:57:29,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:57:29,384 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:57:29,387 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:57:29,388 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:57:29,393 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:57:29,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:57:29" (1/1) ...
[2023-11-19 07:57:29,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6145064d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:29, skipping insertion in model container
[2023-11-19 07:57:29,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:57:29" (1/1) ...
[2023-11-19 07:57:29,517 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:57:30,037 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2715]
[2023-11-19 07:57:30,037 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * ,
size_t ) [2716-2717]
[2023-11-19 07:57:30,141 WARN L240 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_e3954873-381e-48a0-bfd4-6d83a6011cc3/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i[78841,78854]
[2023-11-19 07:57:30,707 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:57:30,744 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:57:30,843 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2715]
[2023-11-19 07:57:30,843 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * ,
size_t ) [2716-2717]
[2023-11-19 07:57:30,858 WARN L240 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_e3954873-381e-48a0-bfd4-6d83a6011cc3/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i[78841,78854]
[2023-11-19 07:57:31,018 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:57:31,072 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:57:31,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:31 WrapperNode
[2023-11-19 07:57:31,073 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:57:31,074 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:57:31,074 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:57:31,074 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:57:31,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:31" (1/1) ...
[2023-11-19 07:57:31,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:31" (1/1) ...
[2023-11-19 07:57:31,294 INFO L138 Inliner]: procedures = 143, calls = 678, calls flagged for inlining = 57, calls inlined = 53, statements flattened = 2001
[2023-11-19 07:57:31,305 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:57:31,306 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:57:31,306 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:57:31,307 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:57:31,316 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:31" (1/1) ...
[2023-11-19 07:57:31,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:31" (1/1) ...
[2023-11-19 07:57:31,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:31" (1/1) ...
[2023-11-19 07:57:31,368 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:31" (1/1) ...
[2023-11-19 07:57:31,448 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:31" (1/1) ...
[2023-11-19 07:57:31,480 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:31" (1/1) ...
[2023-11-19 07:57:31,494 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:31" (1/1) ...
[2023-11-19 07:57:31,505 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:31" (1/1) ...
[2023-11-19 07:57:31,520 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:57:31,521 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:57:31,521 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:57:31,521 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:57:31,522 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:31" (1/1) ...
[2023-11-19 07:57:31,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:57:31,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:57:31,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:57:31,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:57:31,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2023-11-19 07:57:31,584 INFO L130 BoogieDeclarations]: Found specification of procedure msleep
[2023-11-19 07:57:31,584 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep
[2023-11-19 07:57:31,584 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq
[2023-11-19 07:57:31,584 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq
[2023-11-19 07:57:31,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$
[2023-11-19 07:57:31,584 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb
[2023-11-19 07:57:31,584 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb
[2023-11-19 07:57:31,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$
[2023-11-19 07:57:31,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop
[2023-11-19 07:57:31,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop
[2023-11-19 07:57:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2023-11-19 07:57:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push
[2023-11-19 07:57:31,587 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push
[2023-11-19 07:57:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata
[2023-11-19 07:57:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata
[2023-11-19 07:57:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1
[2023-11-19 07:57:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1
[2023-11-19 07:57:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc
[2023-11-19 07:57:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2023-11-19 07:57:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim
[2023-11-19 07:57:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim
[2023-11-19 07:57:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags
[2023-11-19 07:57:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags
[2023-11-19 07:57:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump
[2023-11-19 07:57:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump
[2023-11-19 07:57:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range
[2023-11-19 07:57:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range
[2023-11-19 07:57:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure devm_gpio_request
[2023-11-19 07:57:31,592 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_gpio_request
[2023-11-19 07:57:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 07:57:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock
[2023-11-19 07:57:31,592 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock
[2023-11-19 07:57:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error
[2023-11-19 07:57:31,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error
[2023-11-19 07:57:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg
[2023-11-19 07:57:31,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg
[2023-11-19 07:57:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull
[2023-11-19 07:57:31,594 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull
[2023-11-19 07:57:31,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect
[2023-11-19 07:57:31,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect
[2023-11-19 07:57:31,595 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value
[2023-11-19 07:57:31,595 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value
[2023-11-19 07:57:31,595 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1
[2023-11-19 07:57:31,595 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1
[2023-11-19 07:57:31,595 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_irq_thread_fn
[2023-11-19 07:57:31,596 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_irq_thread_fn
[2023-11-19 07:57:31,596 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-11-19 07:57:31,596 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-11-19 07:57:31,596 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_desc
[2023-11-19 07:57:31,597 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_desc
[2023-11-19 07:57:31,597 INFO L130 BoogieDeclarations]: Found specification of procedure nfc_hci_recv_frame
[2023-11-19 07:57:31,597 INFO L138 BoogieDeclarations]: Found implementation of procedure nfc_hci_recv_frame
[2023-11-19 07:57:31,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-11-19 07:57:31,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:57:31,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:57:31,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2023-11-19 07:57:31,597 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send
[2023-11-19 07:57:31,598 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send
[2023-11-19 07:57:31,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1
[2023-11-19 07:57:31,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1
[2023-11-19 07:57:31,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2
[2023-11-19 07:57:31,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2
[2023-11-19 07:57:31,599 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt
[2023-11-19 07:57:31,599 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt
[2023-11-19 07:57:31,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2023-11-19 07:57:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:57:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2023-11-19 07:57:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure printk
[2023-11-19 07:57:31,602 INFO L138 BoogieDeclarations]: Found implementation of procedure printk
[2023-11-19 07:57:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_disable
[2023-11-19 07:57:31,602 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_disable
[2023-11-19 07:57:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err
[2023-11-19 07:57:31,602 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err
[2023-11-19 07:57:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put
[2023-11-19 07:57:31,602 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put
[2023-11-19 07:57:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_recv
[2023-11-19 07:57:31,603 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_recv
[2023-11-19 07:57:31,603 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested
[2023-11-19 07:57:31,603 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested
[2023-11-19 07:57:31,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:57:31,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int
[2023-11-19 07:57:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc
[2023-11-19 07:57:31,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc
[2023-11-19 07:57:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:57:31,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:57:31,994 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:57:31,997 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:57:32,235 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;
[2023-11-19 07:57:35,519 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:57:35,541 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:57:35,542 INFO L302 CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-19 07:57:35,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:35 BoogieIcfgContainer
[2023-11-19 07:57:35,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:57:35,557 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:57:35,557 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:57:35,560 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:57:35,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:57:29" (1/3) ...
[2023-11-19 07:57:35,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2014365e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:57:35, skipping insertion in model container
[2023-11-19 07:57:35,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:31" (2/3) ...
[2023-11-19 07:57:35,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2014365e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:57:35, skipping insertion in model container
[2023-11-19 07:57:35,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:35" (3/3) ...
[2023-11-19 07:57:35,564 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i
[2023-11-19 07:57:35,585 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:57:35,585 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 07:57:35,650 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:57:35,657 INFO L357 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, mHoare=true, 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;@5d12c387, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:57:35,657 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 07:57:35,665 INFO L276 IsEmpty]: Start isEmpty. Operand has 589 states, 436 states have (on average 1.364678899082569) internal successors, (595), 448 states have internal predecessors, (595), 117 states have call successors, (117), 35 states have call predecessors, (117), 34 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109)
[2023-11-19 07:57:35,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75
[2023-11-19 07:57:35,686 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:57:35,687 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:57:35,688 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:57:35,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:57:35,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1071451493, now seen corresponding path program 1 times
[2023-11-19 07:57:35,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:57:35,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898865955]
[2023-11-19 07:57:35,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:57:35,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:57:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:36,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:57:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:36,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:57:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:36,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 07:57:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:36,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:57:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:36,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2023-11-19 07:57:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:36,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2023-11-19 07:57:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:36,640 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2023-11-19 07:57:36,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:57:36,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898865955]
[2023-11-19 07:57:36,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898865955] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:57:36,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:57:36,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 07:57:36,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971710106]
[2023-11-19 07:57:36,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:57:36,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:57:36,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:57:36,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:57:36,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:57:36,683 INFO L87 Difference]: Start difference. First operand has 589 states, 436 states have (on average 1.364678899082569) internal successors, (595), 448 states have internal predecessors, (595), 117 states have call successors, (117), 35 states have call predecessors, (117), 34 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2023-11-19 07:57:39,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:57:39,214 INFO L93 Difference]: Finished difference Result 1810 states and 2618 transitions.
[2023-11-19 07:57:39,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2023-11-19 07:57:39,224 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 74
[2023-11-19 07:57:39,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:57:39,259 INFO L225 Difference]: With dead ends: 1810
[2023-11-19 07:57:39,260 INFO L226 Difference]: Without dead ends: 1192
[2023-11-19 07:57:39,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2023-11-19 07:57:39,280 INFO L413 NwaCegarLoop]: 712 mSDtfsCounter, 1026 mSDsluCounter, 2231 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1116 SdHoareTripleChecker+Valid, 2943 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2023-11-19 07:57:39,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1116 Valid, 2943 Invalid, 1157 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [261 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2023-11-19 07:57:39,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states.
[2023-11-19 07:57:39,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1127.
[2023-11-19 07:57:39,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1127 states, 847 states have (on average 1.3376623376623376) internal successors, (1133), 855 states have internal predecessors, (1133), 212 states have call successors, (212), 68 states have call predecessors, (212), 67 states have return successors, (211), 207 states have call predecessors, (211), 211 states have call successors, (211)
[2023-11-19 07:57:39,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1556 transitions.
[2023-11-19 07:57:39,482 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1556 transitions. Word has length 74
[2023-11-19 07:57:39,483 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:57:39,483 INFO L495 AbstractCegarLoop]: Abstraction has 1127 states and 1556 transitions.
[2023-11-19 07:57:39,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2023-11-19 07:57:39,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1556 transitions.
[2023-11-19 07:57:39,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72
[2023-11-19 07:57:39,491 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:57:39,492 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:57:39,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:57:39,492 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:57:39,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:57:39,493 INFO L85 PathProgramCache]: Analyzing trace with hash -2135734765, now seen corresponding path program 1 times
[2023-11-19 07:57:39,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:57:39,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91926668]
[2023-11-19 07:57:39,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:57:39,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:57:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:39,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:57:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:39,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:57:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:39,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 07:57:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:39,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:57:39,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:39,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2023-11-19 07:57:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:39,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48
[2023-11-19 07:57:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:39,936 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2023-11-19 07:57:39,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:57:39,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91926668]
[2023-11-19 07:57:39,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91926668] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:57:39,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:57:39,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 07:57:39,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582960615]
[2023-11-19 07:57:39,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:57:39,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:57:39,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:57:39,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:57:39,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:57:39,941 INFO L87 Difference]: Start difference. First operand 1127 states and 1556 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2023-11-19 07:57:42,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:57:42,336 INFO L93 Difference]: Finished difference Result 3471 states and 4839 transitions.
[2023-11-19 07:57:42,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2023-11-19 07:57:42,337 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 71
[2023-11-19 07:57:42,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:57:42,355 INFO L225 Difference]: With dead ends: 3471
[2023-11-19 07:57:42,356 INFO L226 Difference]: Without dead ends: 2357
[2023-11-19 07:57:42,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2023-11-19 07:57:42,362 INFO L413 NwaCegarLoop]: 688 mSDtfsCounter, 983 mSDsluCounter, 2146 mSDsCounter, 0 mSdLazyCounter, 892 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1072 SdHoareTripleChecker+Valid, 2834 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:57:42,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1072 Valid, 2834 Invalid, 1136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 892 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2023-11-19 07:57:42,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2357 states.
[2023-11-19 07:57:42,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2357 to 2230.
[2023-11-19 07:57:42,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2230 states, 1677 states have (on average 1.336314847942755) internal successors, (2241), 1699 states have internal predecessors, (2241), 418 states have call successors, (418), 137 states have call predecessors, (418), 134 states have return successors, (417), 399 states have call predecessors, (417), 417 states have call successors, (417)
[2023-11-19 07:57:42,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2230 states to 2230 states and 3076 transitions.
[2023-11-19 07:57:42,558 INFO L78 Accepts]: Start accepts. Automaton has 2230 states and 3076 transitions. Word has length 71
[2023-11-19 07:57:42,559 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:57:42,559 INFO L495 AbstractCegarLoop]: Abstraction has 2230 states and 3076 transitions.
[2023-11-19 07:57:42,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2023-11-19 07:57:42,560 INFO L276 IsEmpty]: Start isEmpty. Operand 2230 states and 3076 transitions.
[2023-11-19 07:57:42,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73
[2023-11-19 07:57:42,568 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:57:42,568 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:57:42,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:57:42,569 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:57:42,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:57:42,570 INFO L85 PathProgramCache]: Analyzing trace with hash 388794953, now seen corresponding path program 1 times
[2023-11-19 07:57:42,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:57:42,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669463284]
[2023-11-19 07:57:42,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:57:42,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:57:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:43,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:57:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:43,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:57:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:43,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 07:57:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:43,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:57:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:43,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2023-11-19 07:57:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:43,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2023-11-19 07:57:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:43,080 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2023-11-19 07:57:43,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:57:43,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669463284]
[2023-11-19 07:57:43,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669463284] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:57:43,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:57:43,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 07:57:43,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302069244]
[2023-11-19 07:57:43,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:57:43,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:57:43,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:57:43,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:57:43,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:57:43,084 INFO L87 Difference]: Start difference. First operand 2230 states and 3076 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2023-11-19 07:57:45,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:57:45,456 INFO L93 Difference]: Finished difference Result 5048 states and 7002 transitions.
[2023-11-19 07:57:45,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2023-11-19 07:57:45,457 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 72
[2023-11-19 07:57:45,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:57:45,484 INFO L225 Difference]: With dead ends: 5048
[2023-11-19 07:57:45,484 INFO L226 Difference]: Without dead ends: 3534
[2023-11-19 07:57:45,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2023-11-19 07:57:45,495 INFO L413 NwaCegarLoop]: 689 mSDtfsCounter, 981 mSDsluCounter, 2141 mSDsCounter, 0 mSdLazyCounter, 892 mSolverCounterSat, 245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1071 SdHoareTripleChecker+Valid, 2830 SdHoareTripleChecker+Invalid, 1137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 245 IncrementalHoareTripleChecker+Valid, 892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:57:45,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1071 Valid, 2830 Invalid, 1137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [245 Valid, 892 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2023-11-19 07:57:45,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3534 states.
[2023-11-19 07:57:45,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3534 to 3345.
[2023-11-19 07:57:45,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3345 states, 2519 states have (on average 1.335053592695514) internal successors, (3363), 2547 states have internal predecessors, (3363), 622 states have call successors, (622), 206 states have call predecessors, (622), 203 states have return successors, (623), 601 states have call predecessors, (623), 621 states have call successors, (623)
[2023-11-19 07:57:45,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3345 states to 3345 states and 4608 transitions.
[2023-11-19 07:57:45,718 INFO L78 Accepts]: Start accepts. Automaton has 3345 states and 4608 transitions. Word has length 72
[2023-11-19 07:57:45,718 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:57:45,718 INFO L495 AbstractCegarLoop]: Abstraction has 3345 states and 4608 transitions.
[2023-11-19 07:57:45,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2023-11-19 07:57:45,722 INFO L276 IsEmpty]: Start isEmpty. Operand 3345 states and 4608 transitions.
[2023-11-19 07:57:45,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2023-11-19 07:57:45,727 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:57:45,729 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:57:45,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:57:45,734 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:57:45,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:57:45,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1008686180, now seen corresponding path program 1 times
[2023-11-19 07:57:45,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:57:45,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958914702]
[2023-11-19 07:57:45,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:57:45,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:57:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:46,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:57:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:46,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:57:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:46,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 07:57:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:46,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:57:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:46,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2023-11-19 07:57:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:46,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52
[2023-11-19 07:57:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:46,154 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2023-11-19 07:57:46,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:57:46,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958914702]
[2023-11-19 07:57:46,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958914702] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:57:46,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:57:46,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 07:57:46,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495802378]
[2023-11-19 07:57:46,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:57:46,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:57:46,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:57:46,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:57:46,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:57:46,158 INFO L87 Difference]: Start difference. First operand 3345 states and 4608 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2023-11-19 07:57:48,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:57:48,112 INFO L93 Difference]: Finished difference Result 5815 states and 8025 transitions.
[2023-11-19 07:57:48,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2023-11-19 07:57:48,112 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 75
[2023-11-19 07:57:48,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:57:48,136 INFO L225 Difference]: With dead ends: 5815
[2023-11-19 07:57:48,136 INFO L226 Difference]: Without dead ends: 3549
[2023-11-19 07:57:48,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90
[2023-11-19 07:57:48,145 INFO L413 NwaCegarLoop]: 688 mSDtfsCounter, 849 mSDsluCounter, 1545 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 936 SdHoareTripleChecker+Valid, 2233 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2023-11-19 07:57:48,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [936 Valid, 2233 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2023-11-19 07:57:48,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3549 states.
[2023-11-19 07:57:48,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3549 to 3357.
[2023-11-19 07:57:48,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3357 states, 2531 states have (on average 1.3334650335835638) internal successors, (3375), 2556 states have internal predecessors, (3375), 619 states have call successors, (619), 209 states have call predecessors, (619), 206 states have return successors, (620), 601 states have call predecessors, (620), 618 states have call successors, (620)
[2023-11-19 07:57:48,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3357 states to 3357 states and 4614 transitions.
[2023-11-19 07:57:48,355 INFO L78 Accepts]: Start accepts. Automaton has 3357 states and 4614 transitions. Word has length 75
[2023-11-19 07:57:48,356 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:57:48,356 INFO L495 AbstractCegarLoop]: Abstraction has 3357 states and 4614 transitions.
[2023-11-19 07:57:48,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2023-11-19 07:57:48,357 INFO L276 IsEmpty]: Start isEmpty. Operand 3357 states and 4614 transitions.
[2023-11-19 07:57:48,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77
[2023-11-19 07:57:48,360 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:57:48,361 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:57:48,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:57:48,361 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:57:48,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:57:48,362 INFO L85 PathProgramCache]: Analyzing trace with hash -308338462, now seen corresponding path program 1 times
[2023-11-19 07:57:48,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:57:48,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905777727]
[2023-11-19 07:57:48,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:57:48,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:57:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:48,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:57:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:48,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:57:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:48,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 07:57:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:48,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:57:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:48,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2023-11-19 07:57:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:48,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53
[2023-11-19 07:57:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:48,759 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2023-11-19 07:57:48,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:57:48,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905777727]
[2023-11-19 07:57:48,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905777727] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:57:48,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:57:48,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 07:57:48,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459528888]
[2023-11-19 07:57:48,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:57:48,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:57:48,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:57:48,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:57:48,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:57:48,763 INFO L87 Difference]: Start difference. First operand 3357 states and 4614 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2023-11-19 07:57:50,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:57:50,581 INFO L93 Difference]: Finished difference Result 5842 states and 8031 transitions.
[2023-11-19 07:57:50,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2023-11-19 07:57:50,582 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 76
[2023-11-19 07:57:50,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:57:50,608 INFO L225 Difference]: With dead ends: 5842
[2023-11-19 07:57:50,608 INFO L226 Difference]: Without dead ends: 3561
[2023-11-19 07:57:50,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90
[2023-11-19 07:57:50,617 INFO L413 NwaCegarLoop]: 688 mSDtfsCounter, 847 mSDsluCounter, 1545 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 933 SdHoareTripleChecker+Valid, 2233 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2023-11-19 07:57:50,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [933 Valid, 2233 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2023-11-19 07:57:50,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3561 states.
[2023-11-19 07:57:50,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3561 to 3369.
[2023-11-19 07:57:50,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3369 states, 2543 states have (on average 1.3318914667715296) internal successors, (3387), 2565 states have internal predecessors, (3387), 616 states have call successors, (616), 212 states have call predecessors, (616), 209 states have return successors, (617), 601 states have call predecessors, (617), 615 states have call successors, (617)
[2023-11-19 07:57:50,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3369 states to 3369 states and 4620 transitions.
[2023-11-19 07:57:50,877 INFO L78 Accepts]: Start accepts. Automaton has 3369 states and 4620 transitions. Word has length 76
[2023-11-19 07:57:50,878 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:57:50,878 INFO L495 AbstractCegarLoop]: Abstraction has 3369 states and 4620 transitions.
[2023-11-19 07:57:50,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2023-11-19 07:57:50,879 INFO L276 IsEmpty]: Start isEmpty. Operand 3369 states and 4620 transitions.
[2023-11-19 07:57:50,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74
[2023-11-19 07:57:50,882 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:57:50,882 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:57:50,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 07:57:50,883 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:57:50,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:57:50,883 INFO L85 PathProgramCache]: Analyzing trace with hash 2099911024, now seen corresponding path program 1 times
[2023-11-19 07:57:50,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:57:50,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128618485]
[2023-11-19 07:57:50,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:57:50,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:57:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:51,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:57:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:51,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:57:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:51,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 07:57:51,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:51,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:57:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:51,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2023-11-19 07:57:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:51,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2023-11-19 07:57:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:51,254 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2023-11-19 07:57:51,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:57:51,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128618485]
[2023-11-19 07:57:51,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128618485] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:57:51,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:57:51,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 07:57:51,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274030208]
[2023-11-19 07:57:51,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:57:51,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:57:51,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:57:51,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:57:51,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:57:51,259 INFO L87 Difference]: Start difference. First operand 3369 states and 4620 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2023-11-19 07:57:53,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:57:53,666 INFO L93 Difference]: Finished difference Result 7398 states and 10185 transitions.
[2023-11-19 07:57:53,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2023-11-19 07:57:53,667 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 73
[2023-11-19 07:57:53,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:57:53,713 INFO L225 Difference]: With dead ends: 7398
[2023-11-19 07:57:53,713 INFO L226 Difference]: Without dead ends: 4751
[2023-11-19 07:57:53,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2023-11-19 07:57:53,725 INFO L413 NwaCegarLoop]: 687 mSDtfsCounter, 982 mSDsluCounter, 2136 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1072 SdHoareTripleChecker+Valid, 2823 SdHoareTripleChecker+Invalid, 1133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 245 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:57:53,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1072 Valid, 2823 Invalid, 1133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [245 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2023-11-19 07:57:53,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4751 states.
[2023-11-19 07:57:54,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4751 to 4504.
[2023-11-19 07:57:54,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4504 states, 3403 states have (on average 1.3308845136644138) internal successors, (4529), 3429 states have internal predecessors, (4529), 818 states have call successors, (818), 285 states have call predecessors, (818), 282 states have return successors, (821), 803 states have call predecessors, (821), 817 states have call successors, (821)
[2023-11-19 07:57:54,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4504 states to 4504 states and 6168 transitions.
[2023-11-19 07:57:54,092 INFO L78 Accepts]: Start accepts. Automaton has 4504 states and 6168 transitions. Word has length 73
[2023-11-19 07:57:54,092 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:57:54,092 INFO L495 AbstractCegarLoop]: Abstraction has 4504 states and 6168 transitions.
[2023-11-19 07:57:54,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2023-11-19 07:57:54,093 INFO L276 IsEmpty]: Start isEmpty. Operand 4504 states and 6168 transitions.
[2023-11-19 07:57:54,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75
[2023-11-19 07:57:54,101 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:57:54,102 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:57:54,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-19 07:57:54,102 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:57:54,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:57:54,103 INFO L85 PathProgramCache]: Analyzing trace with hash 70040518, now seen corresponding path program 1 times
[2023-11-19 07:57:54,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:57:54,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415283211]
[2023-11-19 07:57:54,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:57:54,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:57:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:54,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:57:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:54,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:57:54,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:54,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 07:57:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:54,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:57:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:54,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2023-11-19 07:57:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:54,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2023-11-19 07:57:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:54,428 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2023-11-19 07:57:54,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:57:54,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415283211]
[2023-11-19 07:57:54,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415283211] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:57:54,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:57:54,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 07:57:54,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56032572]
[2023-11-19 07:57:54,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:57:54,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:57:54,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:57:54,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:57:54,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:57:54,432 INFO L87 Difference]: Start difference. First operand 4504 states and 6168 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2023-11-19 07:57:56,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:57:56,606 INFO L93 Difference]: Finished difference Result 9696 states and 13330 transitions.
[2023-11-19 07:57:56,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2023-11-19 07:57:56,606 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 74
[2023-11-19 07:57:56,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:57:56,649 INFO L225 Difference]: With dead ends: 9696
[2023-11-19 07:57:56,649 INFO L226 Difference]: Without dead ends: 5912
[2023-11-19 07:57:56,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2023-11-19 07:57:56,662 INFO L413 NwaCegarLoop]: 690 mSDtfsCounter, 985 mSDsluCounter, 2147 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1072 SdHoareTripleChecker+Valid, 2837 SdHoareTripleChecker+Invalid, 1133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 245 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2023-11-19 07:57:56,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1072 Valid, 2837 Invalid, 1133 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [245 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2023-11-19 07:57:56,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5912 states.
[2023-11-19 07:57:57,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5912 to 5617.
[2023-11-19 07:57:57,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5617 states, 4243 states have (on average 1.3290124911619137) internal successors, (5639), 4273 states have internal predecessors, (5639), 1018 states have call successors, (1018), 358 states have call predecessors, (1018), 355 states have return successors, (1023), 1003 states have call predecessors, (1023), 1017 states have call successors, (1023)
[2023-11-19 07:57:57,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5617 states to 5617 states and 7680 transitions.
[2023-11-19 07:57:57,082 INFO L78 Accepts]: Start accepts. Automaton has 5617 states and 7680 transitions. Word has length 74
[2023-11-19 07:57:57,082 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:57:57,083 INFO L495 AbstractCegarLoop]: Abstraction has 5617 states and 7680 transitions.
[2023-11-19 07:57:57,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2023-11-19 07:57:57,083 INFO L276 IsEmpty]: Start isEmpty. Operand 5617 states and 7680 transitions.
[2023-11-19 07:57:57,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78
[2023-11-19 07:57:57,087 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:57:57,087 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:57:57,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-19 07:57:57,087 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:57:57,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:57:57,088 INFO L85 PathProgramCache]: Analyzing trace with hash 687710457, now seen corresponding path program 1 times
[2023-11-19 07:57:57,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:57:57,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644310359]
[2023-11-19 07:57:57,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:57:57,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:57:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:57,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:57:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:57,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:57:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:57,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 07:57:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:57,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:57:57,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:57,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2023-11-19 07:57:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:57,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2023-11-19 07:57:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:57,412 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2023-11-19 07:57:57,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:57:57,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644310359]
[2023-11-19 07:57:57,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644310359] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:57:57,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:57:57,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 07:57:57,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459186441]
[2023-11-19 07:57:57,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:57:57,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:57:57,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:57:57,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:57:57,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:57:57,415 INFO L87 Difference]: Start difference. First operand 5617 states and 7680 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2023-11-19 07:57:59,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:57:59,193 INFO L93 Difference]: Finished difference Result 9558 states and 13038 transitions.
[2023-11-19 07:57:59,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2023-11-19 07:57:59,193 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 77
[2023-11-19 07:57:59,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:57:59,239 INFO L225 Difference]: With dead ends: 9558
[2023-11-19 07:57:59,239 INFO L226 Difference]: Without dead ends: 5727
[2023-11-19 07:57:59,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90
[2023-11-19 07:57:59,253 INFO L413 NwaCegarLoop]: 687 mSDtfsCounter, 845 mSDsluCounter, 1542 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 931 SdHoareTripleChecker+Valid, 2229 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2023-11-19 07:57:59,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [931 Valid, 2229 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2023-11-19 07:57:59,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5727 states.
[2023-11-19 07:57:59,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5727 to 5436.
[2023-11-19 07:57:59,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5436 states, 4101 states have (on average 1.3226042428675933) internal successors, (5424), 4126 states have internal predecessors, (5424), 981 states have call successors, (981), 356 states have call predecessors, (981), 353 states have return successors, (986), 971 states have call predecessors, (986), 980 states have call successors, (986)
[2023-11-19 07:57:59,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5436 states to 5436 states and 7391 transitions.
[2023-11-19 07:57:59,610 INFO L78 Accepts]: Start accepts. Automaton has 5436 states and 7391 transitions. Word has length 77
[2023-11-19 07:57:59,610 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:57:59,610 INFO L495 AbstractCegarLoop]: Abstraction has 5436 states and 7391 transitions.
[2023-11-19 07:57:59,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2023-11-19 07:57:59,611 INFO L276 IsEmpty]: Start isEmpty. Operand 5436 states and 7391 transitions.
[2023-11-19 07:57:59,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81
[2023-11-19 07:57:59,614 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:57:59,614 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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]
[2023-11-19 07:57:59,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-11-19 07:57:59,615 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:57:59,615 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:57:59,615 INFO L85 PathProgramCache]: Analyzing trace with hash -380090474, now seen corresponding path program 1 times
[2023-11-19 07:57:59,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:57:59,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551090305]
[2023-11-19 07:57:59,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:57:59,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:57:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:59,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:57:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:59,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:57:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:59,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 07:57:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:59,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:57:59,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:59,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2023-11-19 07:57:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:59,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41
[2023-11-19 07:57:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:59,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48
[2023-11-19 07:57:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:59,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63
[2023-11-19 07:57:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:59,925 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked.
[2023-11-19 07:57:59,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:57:59,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551090305]
[2023-11-19 07:57:59,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551090305] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:57:59,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:57:59,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 07:57:59,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196666391]
[2023-11-19 07:57:59,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:57:59,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:57:59,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:57:59,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:57:59,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:57:59,928 INFO L87 Difference]: Start difference. First operand 5436 states and 7391 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8)
[2023-11-19 07:58:02,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:58:02,637 INFO L93 Difference]: Finished difference Result 14848 states and 20179 transitions.
[2023-11-19 07:58:02,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2023-11-19 07:58:02,638 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 80
[2023-11-19 07:58:02,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:58:02,672 INFO L225 Difference]: With dead ends: 14848
[2023-11-19 07:58:02,672 INFO L226 Difference]: Without dead ends: 9425
[2023-11-19 07:58:02,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:58:02,689 INFO L413 NwaCegarLoop]: 686 mSDtfsCounter, 735 mSDsluCounter, 1332 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 2018 SdHoareTripleChecker+Invalid, 873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time
[2023-11-19 07:58:02,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [796 Valid, 2018 Invalid, 873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time]
[2023-11-19 07:58:02,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9425 states.
[2023-11-19 07:58:03,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9425 to 8892.
[2023-11-19 07:58:03,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8892 states, 6722 states have (on average 1.326093424576019) internal successors, (8914), 6754 states have internal predecessors, (8914), 1544 states have call successors, (1544), 628 states have call predecessors, (1544), 625 states have return successors, (1549), 1527 states have call predecessors, (1549), 1543 states have call successors, (1549)
[2023-11-19 07:58:03,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8892 states to 8892 states and 12007 transitions.
[2023-11-19 07:58:03,280 INFO L78 Accepts]: Start accepts. Automaton has 8892 states and 12007 transitions. Word has length 80
[2023-11-19 07:58:03,280 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:58:03,281 INFO L495 AbstractCegarLoop]: Abstraction has 8892 states and 12007 transitions.
[2023-11-19 07:58:03,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8)
[2023-11-19 07:58:03,281 INFO L276 IsEmpty]: Start isEmpty. Operand 8892 states and 12007 transitions.
[2023-11-19 07:58:03,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85
[2023-11-19 07:58:03,285 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:58:03,285 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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]
[2023-11-19 07:58:03,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-11-19 07:58:03,286 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:58:03,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:58:03,286 INFO L85 PathProgramCache]: Analyzing trace with hash 540158956, now seen corresponding path program 1 times
[2023-11-19 07:58:03,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:58:03,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785022662]
[2023-11-19 07:58:03,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:58:03,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:58:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:03,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:58:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:03,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:58:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:03,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 07:58:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:03,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:58:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:03,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2023-11-19 07:58:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:03,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2023-11-19 07:58:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:03,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2023-11-19 07:58:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:03,768 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked.
[2023-11-19 07:58:03,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:58:03,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785022662]
[2023-11-19 07:58:03,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785022662] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:58:03,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731549180]
[2023-11-19 07:58:03,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:58:03,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:58:03,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:58:03,772 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:58:03,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-19 07:58:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:04,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 1313 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-11-19 07:58:04,406 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:58:04,441 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2023-11-19 07:58:04,442 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:58:04,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731549180] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:58:04,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:58:04,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10
[2023-11-19 07:58:04,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172433353]
[2023-11-19 07:58:04,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:58:04,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:58:04,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:58:04,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:58:04,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90
[2023-11-19 07:58:04,445 INFO L87 Difference]: Start difference. First operand 8892 states and 12007 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7)
[2023-11-19 07:58:04,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:58:04,859 INFO L93 Difference]: Finished difference Result 17208 states and 23357 transitions.
[2023-11-19 07:58:04,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:58:04,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 84
[2023-11-19 07:58:04,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:58:04,984 INFO L225 Difference]: With dead ends: 17208
[2023-11-19 07:58:04,984 INFO L226 Difference]: Without dead ends: 8910
[2023-11-19 07:58:05,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90
[2023-11-19 07:58:05,008 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 0 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1570 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:58:05,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1570 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:58:05,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8910 states.
[2023-11-19 07:58:05,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8910 to 8910.
[2023-11-19 07:58:05,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8910 states, 6740 states have (on average 1.3252225519287835) internal successors, (8932), 6772 states have internal predecessors, (8932), 1544 states have call successors, (1544), 628 states have call predecessors, (1544), 625 states have return successors, (1549), 1527 states have call predecessors, (1549), 1543 states have call successors, (1549)
[2023-11-19 07:58:05,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8910 states to 8910 states and 12025 transitions.
[2023-11-19 07:58:05,475 INFO L78 Accepts]: Start accepts. Automaton has 8910 states and 12025 transitions. Word has length 84
[2023-11-19 07:58:05,475 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:58:05,476 INFO L495 AbstractCegarLoop]: Abstraction has 8910 states and 12025 transitions.
[2023-11-19 07:58:05,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7)
[2023-11-19 07:58:05,476 INFO L276 IsEmpty]: Start isEmpty. Operand 8910 states and 12025 transitions.
[2023-11-19 07:58:05,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85
[2023-11-19 07:58:05,480 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:58:05,481 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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]
[2023-11-19 07:58:05,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-19 07:58:05,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:58:05,703 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:58:05,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:58:05,704 INFO L85 PathProgramCache]: Analyzing trace with hash 680707566, now seen corresponding path program 1 times
[2023-11-19 07:58:05,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:58:05,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44362468]
[2023-11-19 07:58:05,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:58:05,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:58:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:06,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:58:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:06,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:58:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:06,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 07:58:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:06,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:58:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:06,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2023-11-19 07:58:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:06,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2023-11-19 07:58:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:06,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2023-11-19 07:58:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:06,333 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked.
[2023-11-19 07:58:06,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:58:06,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44362468]
[2023-11-19 07:58:06,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44362468] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:58:06,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850917947]
[2023-11-19 07:58:06,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:58:06,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:58:06,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:58:06,336 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:58:06,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-19 07:58:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:06,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 1320 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-11-19 07:58:06,987 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:58:07,021 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2023-11-19 07:58:07,022 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:58:07,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850917947] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:58:07,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:58:07,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10
[2023-11-19 07:58:07,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448918672]
[2023-11-19 07:58:07,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:58:07,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:58:07,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:58:07,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:58:07,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90
[2023-11-19 07:58:07,025 INFO L87 Difference]: Start difference. First operand 8910 states and 12025 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2023-11-19 07:58:07,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:58:07,355 INFO L93 Difference]: Finished difference Result 8932 states and 12065 transitions.
[2023-11-19 07:58:07,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:58:07,356 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 84
[2023-11-19 07:58:07,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:58:07,390 INFO L225 Difference]: With dead ends: 8932
[2023-11-19 07:58:07,390 INFO L226 Difference]: Without dead ends: 8929
[2023-11-19 07:58:07,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90
[2023-11-19 07:58:07,396 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 0 mSDsluCounter, 782 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1569 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:58:07,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1569 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:58:07,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8929 states.
[2023-11-19 07:58:07,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8929 to 8929.
[2023-11-19 07:58:07,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8929 states, 6759 states have (on average 1.3243083296345612) internal successors, (8951), 6791 states have internal predecessors, (8951), 1544 states have call successors, (1544), 628 states have call predecessors, (1544), 625 states have return successors, (1549), 1527 states have call predecessors, (1549), 1543 states have call successors, (1549)
[2023-11-19 07:58:07,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8929 states to 8929 states and 12044 transitions.
[2023-11-19 07:58:07,944 INFO L78 Accepts]: Start accepts. Automaton has 8929 states and 12044 transitions. Word has length 84
[2023-11-19 07:58:07,944 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:58:07,944 INFO L495 AbstractCegarLoop]: Abstraction has 8929 states and 12044 transitions.
[2023-11-19 07:58:07,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2023-11-19 07:58:07,945 INFO L276 IsEmpty]: Start isEmpty. Operand 8929 states and 12044 transitions.
[2023-11-19 07:58:07,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87
[2023-11-19 07:58:07,949 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:58:07,949 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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]
[2023-11-19 07:58:07,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-11-19 07:58:08,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:58:08,171 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:58:08,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:58:08,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1333598211, now seen corresponding path program 1 times
[2023-11-19 07:58:08,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:58:08,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068269864]
[2023-11-19 07:58:08,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:58:08,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:58:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:08,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:58:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:08,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:58:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:08,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 07:58:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:08,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:58:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:08,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2023-11-19 07:58:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:08,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2023-11-19 07:58:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:08,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2023-11-19 07:58:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:08,611 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked.
[2023-11-19 07:58:08,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:58:08,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068269864]
[2023-11-19 07:58:08,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068269864] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:58:08,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [156167128]
[2023-11-19 07:58:08,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:58:08,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:58:08,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:58:08,615 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:58:08,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-19 07:58:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:58:09,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 1325 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-19 07:58:09,233 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:58:09,387 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2023-11-19 07:58:09,387 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:58:09,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [156167128] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:58:09,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:58:09,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 11
[2023-11-19 07:58:09,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308984796]
[2023-11-19 07:58:09,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:58:09,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:58:09,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:58:09,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:58:09,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110
[2023-11-19 07:58:09,389 INFO L87 Difference]: Start difference. First operand 8929 states and 12044 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2023-11-19 07:58:09,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:58:09,788 INFO L93 Difference]: Finished difference Result 17759 states and 24050 transitions.
[2023-11-19 07:58:09,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:58:09,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 86
[2023-11-19 07:58:09,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:58:09,791 INFO L225 Difference]: With dead ends: 17759
[2023-11-19 07:58:09,791 INFO L226 Difference]: Without dead ends: 0
[2023-11-19 07:58:09,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132
[2023-11-19 07:58:09,827 INFO L413 NwaCegarLoop]: 776 mSDtfsCounter, 720 mSDsluCounter, 776 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 720 SdHoareTripleChecker+Valid, 1552 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:58:09,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [720 Valid, 1552 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:58:09,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-19 07:58:09,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-19 07:58:09,828 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)
[2023-11-19 07:58:09,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-19 07:58:09,832 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 86
[2023-11-19 07:58:09,832 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:58:09,832 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 07:58:09,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2023-11-19 07:58:09,832 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-19 07:58:09,832 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-19 07:58:09,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-19 07:58:09,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-11-19 07:58:10,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3954873-381e-48a0-bfd4-6d83a6011cc3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:58:10,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.