./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-1.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version cf1a7837
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_b1de30b4-e9c6-4f2a-ac80-0d77ac8ad483/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1de30b4-e9c6-4f2a-ac80-0d77ac8ad483/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1de30b4-e9c6-4f2a-ac80-0d77ac8ad483/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1de30b4-e9c6-4f2a-ac80-0d77ac8ad483/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1de30b4-e9c6-4f2a-ac80-0d77ac8ad483/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1de30b4-e9c6-4f2a-ac80-0d77ac8ad483/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa59ed4452a7d9a50756d383eacb845b850d310f41936ec2f7ad520def2e3c6c
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-cf1a783
[2023-11-12 02:34:16,944 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-12 02:34:17,027 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1de30b4-e9c6-4f2a-ac80-0d77ac8ad483/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-12 02:34:17,033 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-12 02:34:17,034 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-12 02:34:17,061 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-12 02:34:17,062 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-12 02:34:17,062 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-12 02:34:17,063 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-12 02:34:17,064 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-12 02:34:17,064 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-12 02:34:17,065 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-12 02:34:17,066 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-12 02:34:17,066 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-12 02:34:17,067 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-12 02:34:17,067 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-12 02:34:17,068 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-12 02:34:17,069 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-12 02:34:17,069 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-12 02:34:17,070 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-12 02:34:17,070 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-12 02:34:17,071 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-12 02:34:17,072 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-12 02:34:17,072 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-12 02:34:17,073 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-12 02:34:17,073 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-12 02:34:17,074 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-12 02:34:17,075 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-12 02:34:17,075 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-12 02:34:17,076 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-12 02:34:17,076 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-12 02:34:17,084 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-12 02:34:17,085 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-12 02:34:17,085 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-12 02:34:17,086 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-12 02:34:17,086 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-12 02:34:17,087 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-12 02:34:17,087 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-12 02:34:17,088 INFO  L153        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-12 02:34:17,088 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_b1de30b4-e9c6-4f2a-ac80-0d77ac8ad483/bin/uautomizer-verify-uTZkv6EMXl/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_b1de30b4-e9c6-4f2a-ac80-0d77ac8ad483/bin/uautomizer-verify-uTZkv6EMXl
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa59ed4452a7d9a50756d383eacb845b850d310f41936ec2f7ad520def2e3c6c
[2023-11-12 02:34:17,340 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-12 02:34:17,374 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-12 02:34:17,377 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-12 02:34:17,379 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-12 02:34:17,380 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-12 02:34:17,381 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1de30b4-e9c6-4f2a-ac80-0d77ac8ad483/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-1.c
[2023-11-12 02:34:20,642 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-12 02:34:21,108 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-12 02:34:21,108 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1de30b4-e9c6-4f2a-ac80-0d77ac8ad483/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-1.c
[2023-11-12 02:34:21,142 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1de30b4-e9c6-4f2a-ac80-0d77ac8ad483/bin/uautomizer-verify-uTZkv6EMXl/data/d53996443/0879ea1b16b04370860a0d575e4fdcc0/FLAG366912d44
[2023-11-12 02:34:21,243 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1de30b4-e9c6-4f2a-ac80-0d77ac8ad483/bin/uautomizer-verify-uTZkv6EMXl/data/d53996443/0879ea1b16b04370860a0d575e4fdcc0
[2023-11-12 02:34:21,246 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-12 02:34:21,248 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-12 02:34:21,250 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-12 02:34:21,250 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-12 02:34:21,256 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-12 02:34:21,257 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:34:21" (1/1) ...
[2023-11-12 02:34:21,258 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fcb45e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:34:21, skipping insertion in model container
[2023-11-12 02:34:21,258 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:34:21" (1/1) ...
[2023-11-12 02:34:21,344 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-12 02:34:21,546 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_b1de30b4-e9c6-4f2a-ac80-0d77ac8ad483/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-1.c[2062,2075]
[2023-11-12 02:34:22,169 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-12 02:34:22,187 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-12 02:34:22,199 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.ok2.i","-S") [44]
[2023-11-12 02:34:22,206 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_b1de30b4-e9c6-4f2a-ac80-0d77ac8ad483/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-1.c[2062,2075]
[2023-11-12 02:34:22,537 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-12 02:34:22,577 INFO  L206         MainTranslator]: Completed translation
[2023-11-12 02:34:22,578 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:34:22 WrapperNode
[2023-11-12 02:34:22,578 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-12 02:34:22,580 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-12 02:34:22,580 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-12 02:34:22,580 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-12 02:34:22,589 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:34:22" (1/1) ...
[2023-11-12 02:34:22,679 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:34:22" (1/1) ...
[2023-11-12 02:34:23,052 INFO  L138                Inliner]: procedures = 72, calls = 2681, calls flagged for inlining = 28, calls inlined = 28, statements flattened = 5874
[2023-11-12 02:34:23,053 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-12 02:34:23,053 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-12 02:34:23,053 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-12 02:34:23,054 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-12 02:34:23,064 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:34:22" (1/1) ...
[2023-11-12 02:34:23,064 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:34:22" (1/1) ...
[2023-11-12 02:34:23,113 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:34:22" (1/1) ...
[2023-11-12 02:34:23,124 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:34:22" (1/1) ...
[2023-11-12 02:34:23,292 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:34:22" (1/1) ...
[2023-11-12 02:34:23,321 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:34:22" (1/1) ...
[2023-11-12 02:34:23,363 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:34:22" (1/1) ...
[2023-11-12 02:34:23,386 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:34:22" (1/1) ...
[2023-11-12 02:34:23,439 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-12 02:34:23,441 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-12 02:34:23,441 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-12 02:34:23,441 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-12 02:34:23,442 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:34:22" (1/1) ...
[2023-11-12 02:34:23,490 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-12 02:34:23,506 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1de30b4-e9c6-4f2a-ac80-0d77ac8ad483/bin/uautomizer-verify-uTZkv6EMXl/z3
[2023-11-12 02:34:23,525 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1de30b4-e9c6-4f2a-ac80-0d77ac8ad483/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-12 02:34:23,542 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1de30b4-e9c6-4f2a-ac80-0d77ac8ad483/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-12 02:34:23,571 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-12 02:34:23,571 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_write_trans
[2023-11-12 02:34:23,571 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_write_trans
[2023-11-12 02:34:23,571 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward
[2023-11-12 02:34:23,571 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward
[2023-11-12 02:34:23,572 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_cs_t2
[2023-11-12 02:34:23,572 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2
[2023-11-12 02:34:23,572 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode
[2023-11-12 02:34:23,572 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode
[2023-11-12 02:34:23,572 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-12 02:34:23,572 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_cs_t0
[2023-11-12 02:34:23,574 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0
[2023-11-12 02:34:23,574 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_cs_t1
[2023-11-12 02:34:23,574 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1
[2023-11-12 02:34:23,575 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority
[2023-11-12 02:34:23,575 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority
[2023-11-12 02:34:23,575 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag
[2023-11-12 02:34:23,575 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag
[2023-11-12 02:34:23,575 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-11-12 02:34:23,575 INFO  L130     BoogieDeclarations]: Found specification of procedure nxt_motor_set_count
[2023-11-12 02:34:23,575 INFO  L138     BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count
[2023-11-12 02:34:23,576 INFO  L130     BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor
[2023-11-12 02:34:23,576 INFO  L138     BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor
[2023-11-12 02:34:23,576 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn
[2023-11-12 02:34:23,577 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn
[2023-11-12 02:34:23,577 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority
[2023-11-12 02:34:23,578 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority
[2023-11-12 02:34:23,578 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1
[2023-11-12 02:34:23,578 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1
[2023-11-12 02:34:23,579 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2
[2023-11-12 02:34:23,579 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2
[2023-11-12 02:34:23,579 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3
[2023-11-12 02:34:23,579 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3
[2023-11-12 02:34:23,580 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-12 02:34:23,580 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-11-12 02:34:23,581 INFO  L130     BoogieDeclarations]: Found specification of procedure assert
[2023-11-12 02:34:23,581 INFO  L138     BoogieDeclarations]: Found implementation of procedure assert
[2023-11-12 02:34:23,581 INFO  L130     BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed
[2023-11-12 02:34:23,581 INFO  L138     BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed
[2023-11-12 02:34:23,581 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward
[2023-11-12 02:34:23,581 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward
[2023-11-12 02:34:23,581 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag
[2023-11-12 02:34:23,582 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag
[2023-11-12 02:34:23,582 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-11-12 02:34:23,582 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-11-12 02:34:23,582 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-12 02:34:23,582 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-12 02:34:23,582 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-12 02:34:23,582 INFO  L130     BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms
[2023-11-12 02:34:23,583 INFO  L138     BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms
[2023-11-12 02:34:23,583 INFO  L130     BoogieDeclarations]: Found specification of procedure nxt_motor_get_count
[2023-11-12 02:34:23,583 INFO  L138     BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count
[2023-11-12 02:34:23,583 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode
[2023-11-12 02:34:23,583 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode
[2023-11-12 02:34:23,583 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn
[2023-11-12 02:34:23,584 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn
[2023-11-12 02:34:24,093 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-12 02:34:24,102 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-12 02:34:57,159 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-12 02:34:57,187 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-12 02:34:57,187 INFO  L302             CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-12 02:34:57,192 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:34:57 BoogieIcfgContainer
[2023-11-12 02:34:57,192 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-12 02:34:57,197 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-12 02:34:57,197 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-12 02:34:57,201 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-12 02:34:57,201 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:34:21" (1/3) ...
[2023-11-12 02:34:57,203 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660ceacd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:34:57, skipping insertion in model container
[2023-11-12 02:34:57,203 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:34:22" (2/3) ...
[2023-11-12 02:34:57,204 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660ceacd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:34:57, skipping insertion in model container
[2023-11-12 02:34:57,204 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:34:57" (3/3) ...
[2023-11-12 02:34:57,206 INFO  L112   eAbstractionObserver]: Analyzing ICFG rekcba_aso.2.M1-1.c
[2023-11-12 02:34:57,224 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-12 02:34:57,224 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-12 02:34:57,330 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-12 02:34:57,339 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;@5be2e5cc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-12 02:34:57,339 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-12 02:34:57,353 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 1640 states, 1017 states have (on average 1.2566371681415929) internal successors, (1278), 1049 states have internal predecessors, (1278), 597 states have call successors, (597), 24 states have call predecessors, (597), 24 states have return successors, (597), 595 states have call predecessors, (597), 597 states have call successors, (597)
[2023-11-12 02:34:57,525 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1659
[2023-11-12 02:34:57,526 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-12 02:34:57,528 INFO  L195           NwaCegarLoop]: trace histogram [241, 241, 241, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-12 02:34:57,528 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-12 02:34:57,536 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:34:57,537 INFO  L85        PathProgramCache]: Analyzing trace with hash -1449643402, now seen corresponding path program 1 times
[2023-11-12 02:34:57,547 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:34:57,547 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066875135]
[2023-11-12 02:34:57,548 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:34:57,548 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms