./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.4.prop1-func-interl.c --full-output --architecture 64bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version 30e01a73
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0419b751-ed08-4f28-a6c5-c8f55d446fc7/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0419b751-ed08-4f28-a6c5-c8f55d446fc7/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0419b751-ed08-4f28-a6c5-c8f55d446fc7/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0419b751-ed08-4f28-a6c5-c8f55d446fc7/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0419b751-ed08-4f28-a6c5-c8f55d446fc7/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0419b751-ed08-4f28-a6c5-c8f55d446fc7/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash af4406295bba4931a09fe5e1b298f76c629de8bcf0ce50103cf375e6c315bcbc
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-30e01a7
[2023-11-23 21:08:57,303 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-23 21:08:57,374 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0419b751-ed08-4f28-a6c5-c8f55d446fc7/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf
[2023-11-23 21:08:57,380 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-23 21:08:57,381 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-23 21:08:57,425 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-23 21:08:57,430 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-23 21:08:57,431 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-23 21:08:57,432 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-23 21:08:57,437 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-23 21:08:57,438 INFO  L153        SettingsManager]:  * User list type=DISABLED
[2023-11-23 21:08:57,439 INFO  L151        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2023-11-23 21:08:57,440 INFO  L153        SettingsManager]:  * Explicit value domain=true
[2023-11-23 21:08:57,441 INFO  L153        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2023-11-23 21:08:57,442 INFO  L153        SettingsManager]:  * Octagon Domain=false
[2023-11-23 21:08:57,442 INFO  L153        SettingsManager]:  * Abstract domain=CompoundDomain
[2023-11-23 21:08:57,443 INFO  L153        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2023-11-23 21:08:57,443 INFO  L153        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2023-11-23 21:08:57,444 INFO  L153        SettingsManager]:  * Interval Domain=false
[2023-11-23 21:08:57,444 INFO  L151        SettingsManager]: Preferences of Sifa differ from their defaults:
[2023-11-23 21:08:57,445 INFO  L153        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2023-11-23 21:08:57,445 INFO  L153        SettingsManager]:  * Simplification Technique=POLY_PAC
[2023-11-23 21:08:57,446 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-23 21:08:57,446 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-23 21:08:57,447 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-23 21:08:57,447 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-23 21:08:57,447 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-23 21:08:57,448 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-23 21:08:57,448 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-23 21:08:57,449 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-23 21:08:57,449 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-23 21:08:57,449 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-23 21:08:57,450 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-11-23 21:08:57,450 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-23 21:08:57,450 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-23 21:08:57,450 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-23 21:08:57,451 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-23 21:08:57,451 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-23 21:08:57,451 INFO  L153        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2023-11-23 21:08:57,451 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-23 21:08:57,452 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-23 21:08:57,452 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-23 21:08:57,452 INFO  L153        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2023-11-23 21:08:57,452 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-23 21:08:57,453 INFO  L153        SettingsManager]:  * Abstract interpretation Mode=USE_PREDICATES
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_0419b751-ed08-4f28-a6c5-c8f55d446fc7/bin/utaipan-verify-mE87zJ7Ire/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_0419b751-ed08-4f28-a6c5-c8f55d446fc7/bin/utaipan-verify-mE87zJ7Ire
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 -> Taipan
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 -> af4406295bba4931a09fe5e1b298f76c629de8bcf0ce50103cf375e6c315bcbc
[2023-11-23 21:08:57,743 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-23 21:08:57,784 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-23 21:08:57,786 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-23 21:08:57,788 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-23 21:08:57,788 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-23 21:08:57,789 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0419b751-ed08-4f28-a6c5-c8f55d446fc7/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.4.prop1-func-interl.c
[2023-11-23 21:09:01,011 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-23 21:09:01,496 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-23 21:09:01,497 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0419b751-ed08-4f28-a6c5-c8f55d446fc7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.4.prop1-func-interl.c
[2023-11-23 21:09:01,542 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0419b751-ed08-4f28-a6c5-c8f55d446fc7/bin/utaipan-verify-mE87zJ7Ire/data/8fbac28ec/2ce5ede1de794b9ea110bd93c5953dfd/FLAG223cc1cc0
[2023-11-23 21:09:01,559 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0419b751-ed08-4f28-a6c5-c8f55d446fc7/bin/utaipan-verify-mE87zJ7Ire/data/8fbac28ec/2ce5ede1de794b9ea110bd93c5953dfd
[2023-11-23 21:09:01,564 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-23 21:09:01,566 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-23 21:09:01,571 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-23 21:09:01,571 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-23 21:09:01,577 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-23 21:09:01,579 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:01" (1/1) ...
[2023-11-23 21:09:01,581 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43a733d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:01, skipping insertion in model container
[2023-11-23 21:09:01,581 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:01" (1/1) ...
[2023-11-23 21:09:01,804 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-23 21:09:02,070 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_0419b751-ed08-4f28-a6c5-c8f55d446fc7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.4.prop1-func-interl.c[1176,1189]
[2023-11-23 21:09:03,115 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-23 21:09:03,127 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-23 21:09:03,139 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_0419b751-ed08-4f28-a6c5-c8f55d446fc7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.4.prop1-func-interl.c[1176,1189]
[2023-11-23 21:09:03,850 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-23 21:09:03,872 INFO  L206         MainTranslator]: Completed translation
[2023-11-23 21:09:03,872 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:03 WrapperNode
[2023-11-23 21:09:03,872 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-23 21:09:03,874 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-23 21:09:03,874 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-23 21:09:03,874 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-23 21:09:03,882 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:03" (1/1) ...
[2023-11-23 21:09:04,219 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:03" (1/1) ...
[2023-11-23 21:09:06,867 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25756
[2023-11-23 21:09:06,867 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-23 21:09:06,868 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-23 21:09:06,868 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-23 21:09:06,868 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-23 21:09:06,878 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:03" (1/1) ...
[2023-11-23 21:09:06,878 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:03" (1/1) ...
[2023-11-23 21:09:07,673 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:03" (1/1) ...
[2023-11-23 21:09:07,680 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:03" (1/1) ...
[2023-11-23 21:09:08,389 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:03" (1/1) ...
[2023-11-23 21:09:08,667 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:03" (1/1) ...
[2023-11-23 21:09:08,801 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:03" (1/1) ...
[2023-11-23 21:09:08,888 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:03" (1/1) ...
[2023-11-23 21:09:09,363 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-23 21:09:09,363 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-23 21:09:09,364 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-23 21:09:09,364 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-23 21:09:09,365 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:03" (1/1) ...
[2023-11-23 21:09:09,374 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-23 21:09:09,387 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0419b751-ed08-4f28-a6c5-c8f55d446fc7/bin/utaipan-verify-mE87zJ7Ire/z3
[2023-11-23 21:09:09,409 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0419b751-ed08-4f28-a6c5-c8f55d446fc7/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-23 21:09:09,446 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0419b751-ed08-4f28-a6c5-c8f55d446fc7/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-23 21:09:09,457 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-23 21:09:09,458 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-23 21:09:09,458 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-23 21:09:09,458 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-23 21:09:10,788 INFO  L241             CfgBuilder]: Building ICFG
[2023-11-23 21:09:10,791 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-23 21:09:26,959 INFO  L282             CfgBuilder]: Performing block encoding