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


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


Checking for ERROR reachability
Using default analysis
Version 0e0057cc
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_9e870c80-8fee-4080-8d64-bafe26701a78/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e870c80-8fee-4080-8d64-bafe26701a78/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e870c80-8fee-4080-8d64-bafe26701a78/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e870c80-8fee-4080-8d64-bafe26701a78/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FourbyFour.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e870c80-8fee-4080-8d64-bafe26701a78/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e870c80-8fee-4080-8d64-bafe26701a78/bin/ukojak-verify-afCqCEvfdi --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 76759b02095285d07c750df63dcdc9c02e70d9a0344831d30f8bf2a90bed45af
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-11-24 22:53:17,224 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-24 22:53:17,359 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e870c80-8fee-4080-8d64-bafe26701a78/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf
[2023-11-24 22:53:17,366 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-24 22:53:17,367 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver
[2023-11-24 22:53:17,408 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-24 22:53:17,409 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-24 22:53:17,410 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ALWAYS
[2023-11-24 22:53:17,411 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-24 22:53:17,416 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-24 22:53:17,417 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-24 22:53:17,417 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-24 22:53:17,418 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-24 22:53:17,419 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-24 22:53:17,420 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-24 22:53:17,420 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-24 22:53:17,421 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-24 22:53:17,421 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-24 22:53:17,421 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-24 22:53:17,422 INFO  L151        SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2023-11-24 22:53:17,423 INFO  L153        SettingsManager]:  * Timeout in seconds=1000000
[2023-11-24 22:53:17,423 INFO  L153        SettingsManager]:  * Theory for external solver=ALL
[2023-11-24 22:53:17,424 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-24 22:53:17,424 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-11-24 22:53:17,425 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-24 22:53:17,425 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-24 22:53:17,426 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-24 22:53:17,426 INFO  L153        SettingsManager]:  * Trace refinement strategy=PENGUIN
[2023-11-24 22:53:17,427 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-24 22:53:17,427 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-24 22:53:17,427 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
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_9e870c80-8fee-4080-8d64-bafe26701a78/bin/ukojak-verify-afCqCEvfdi/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_9e870c80-8fee-4080-8d64-bafe26701a78/bin/ukojak-verify-afCqCEvfdi
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 -> Kojak
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 -> 76759b02095285d07c750df63dcdc9c02e70d9a0344831d30f8bf2a90bed45af
[2023-11-24 22:53:17,677 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-24 22:53:17,707 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-24 22:53:17,710 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-24 22:53:17,711 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-24 22:53:17,712 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-24 22:53:17,713 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e870c80-8fee-4080-8d64-bafe26701a78/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FourbyFour.c
[2023-11-24 22:53:20,927 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-24 22:53:21,321 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-24 22:53:21,322 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e870c80-8fee-4080-8d64-bafe26701a78/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FourbyFour.c
[2023-11-24 22:53:21,343 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e870c80-8fee-4080-8d64-bafe26701a78/bin/ukojak-verify-afCqCEvfdi/data/64b26d781/dea14ad2c1a348f4ab8d892a207ea141/FLAGa9ee44eb5
[2023-11-24 22:53:21,364 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e870c80-8fee-4080-8d64-bafe26701a78/bin/ukojak-verify-afCqCEvfdi/data/64b26d781/dea14ad2c1a348f4ab8d892a207ea141
[2023-11-24 22:53:21,368 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-24 22:53:21,370 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-24 22:53:21,372 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-24 22:53:21,372 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-24 22:53:21,377 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-24 22:53:21,378 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:21" (1/1) ...
[2023-11-24 22:53:21,379 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@119629ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:21, skipping insertion in model container
[2023-11-24 22:53:21,379 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:21" (1/1) ...
[2023-11-24 22:53:21,487 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-24 22:53:21,716 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_9e870c80-8fee-4080-8d64-bafe26701a78/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FourbyFour.c[1252,1265]
[2023-11-24 22:53:22,271 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-24 22:53:22,280 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-24 22:53:22,290 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_9e870c80-8fee-4080-8d64-bafe26701a78/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FourbyFour.c[1252,1265]
[2023-11-24 22:53:22,584 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-24 22:53:22,601 INFO  L206         MainTranslator]: Completed translation
[2023-11-24 22:53:22,601 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:22 WrapperNode
[2023-11-24 22:53:22,601 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-24 22:53:22,602 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-24 22:53:22,602 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-24 22:53:22,602 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-24 22:53:22,611 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:22" (1/1) ...
[2023-11-24 22:53:22,734 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:22" (1/1) ...
[2023-11-24 22:53:23,210 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4696
[2023-11-24 22:53:23,211 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-24 22:53:23,212 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-24 22:53:23,212 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-24 22:53:23,212 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-24 22:53:23,222 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:22" (1/1) ...
[2023-11-24 22:53:23,223 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:22" (1/1) ...
[2023-11-24 22:53:23,394 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:22" (1/1) ...
[2023-11-24 22:53:23,395 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:22" (1/1) ...
[2023-11-24 22:53:23,534 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:22" (1/1) ...
[2023-11-24 22:53:23,569 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:22" (1/1) ...
[2023-11-24 22:53:23,596 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:22" (1/1) ...
[2023-11-24 22:53:23,621 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:22" (1/1) ...
[2023-11-24 22:53:23,687 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-24 22:53:23,688 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-24 22:53:23,689 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-24 22:53:23,689 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-24 22:53:23,690 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:22" (1/1) ...
[2023-11-24 22:53:23,696 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-11-24 22:53:23,710 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e870c80-8fee-4080-8d64-bafe26701a78/bin/ukojak-verify-afCqCEvfdi/z3
[2023-11-24 22:53:23,725 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e870c80-8fee-4080-8d64-bafe26701a78/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null)
[2023-11-24 22:53:23,749 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e870c80-8fee-4080-8d64-bafe26701a78/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process
[2023-11-24 22:53:23,769 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-24 22:53:23,769 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-24 22:53:23,770 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-24 22:53:23,770 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-24 22:53:24,383 INFO  L241             CfgBuilder]: Building ICFG
[2023-11-24 22:53:24,385 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-24 22:53:28,079 INFO  L282             CfgBuilder]: Performing block encoding
[2023-11-24 22:53:36,463 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-24 22:53:36,463 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-24 22:53:36,465 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:36 BoogieIcfgContainer
[2023-11-24 22:53:36,465 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-24 22:53:36,466 INFO  L112        PluginConnector]: ------------------------CodeCheck----------------------------
[2023-11-24 22:53:36,466 INFO  L270        PluginConnector]: Initializing CodeCheck...
[2023-11-24 22:53:36,476 INFO  L274        PluginConnector]: CodeCheck initialized
[2023-11-24 22:53:36,477 INFO  L184        PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:36" (1/1) ...
[2023-11-24 22:53:36,486 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 22:53:36,535 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 22:53:36,541 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions.
[2023-11-24 22:53:36,541 INFO  L276                IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions.
[2023-11-24 22:53:36,544 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2023-11-24 22:53:36,544 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 22:53:36,545 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:53:54,676 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-24 22:53:54,677 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.