./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-1.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 0d0faf19803047b9d51fb440293a8075aae4a757b1a8a36a5355760a1968a70e --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 21:19:21,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 21:19:21,516 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 21:19:21,520 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 21:19:21,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 21:19:21,533 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 21:19:21,534 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 21:19:21,534 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 21:19:21,534 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 21:19:21,534 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 21:19:21,535 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 21:19:21,535 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 21:19:21,535 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 21:19:21,535 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 21:19:21,535 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 21:19:21,535 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 21:19:21,535 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 21:19:21,535 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 21:19:21,535 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 21:19:21,536 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 21:19:21,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 21:19:21,536 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 21:19:21,536 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 21:19:21,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 21:19:21,536 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 21:19:21,536 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 21:19:21,536 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 21:19:21,536 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 21:19:21,536 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 21:19:21,536 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 21:19:21,536 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 21:19:21,537 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 21:19:21,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:19:21,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 21:19:21,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 21:19:21,537 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 21:19:21,537 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 21:19:21,537 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 21:19:21,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 21:19:21,537 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 21:19:21,537 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 21:19:21,537 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 21:19:21,538 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 21:19:21,538 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 -> 0d0faf19803047b9d51fb440293a8075aae4a757b1a8a36a5355760a1968a70e [2025-02-07 21:19:21,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 21:19:21,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 21:19:21,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 21:19:21,714 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 21:19:21,715 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 21:19:21,715 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-1.c [2025-02-07 21:19:22,874 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/76accb8a3/7aa1dc60d5db43ce9efb7dd28155da18/FLAG406d14d4d [2025-02-07 21:19:23,166 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 21:19:23,171 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-1.c [2025-02-07 21:19:23,192 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/76accb8a3/7aa1dc60d5db43ce9efb7dd28155da18/FLAG406d14d4d [2025-02-07 21:19:23,213 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/76accb8a3/7aa1dc60d5db43ce9efb7dd28155da18 [2025-02-07 21:19:23,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 21:19:23,217 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 21:19:23,222 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 21:19:23,222 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 21:19:23,230 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 21:19:23,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:19:23" (1/1) ... [2025-02-07 21:19:23,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c438551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:23, skipping insertion in model container [2025-02-07 21:19:23,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:19:23" (1/1) ... [2025-02-07 21:19:23,277 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 21:19:23,417 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-1.c[1510,1523] [2025-02-07 21:19:23,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:19:23,672 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 21:19:23,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.bug1.i","-S") [38] [2025-02-07 21:19:23,684 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-1.c[1510,1523] [2025-02-07 21:19:23,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:19:23,905 INFO L204 MainTranslator]: Completed translation [2025-02-07 21:19:23,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:23 WrapperNode [2025-02-07 21:19:23,907 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 21:19:23,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 21:19:23,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 21:19:23,908 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 21:19:23,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:23" (1/1) ... [2025-02-07 21:19:23,982 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:23" (1/1) ... [2025-02-07 21:19:24,110 INFO L138 Inliner]: procedures = 55, calls = 2262, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 4902 [2025-02-07 21:19:24,111 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 21:19:24,111 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 21:19:24,111 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 21:19:24,111 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 21:19:24,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:23" (1/1) ... [2025-02-07 21:19:24,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:23" (1/1) ... [2025-02-07 21:19:24,144 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:23" (1/1) ... [2025-02-07 21:19:24,207 INFO L175 MemorySlicer]: Split 1600 memory accesses to 15 slices as follows [4, 2, 2, 277, 285, 113, 113, 8, 187, 203, 186, 203, 7, 2, 8]. 18 percent of accesses are in the largest equivalence class. The 220 initializations are split as follows [0, 2, 0, 27, 27, 27, 27, 0, 27, 27, 27, 27, 2, 0, 0]. The 235 writes are split as follows [0, 0, 1, 27, 27, 27, 27, 4, 31, 26, 31, 26, 3, 1, 4]. [2025-02-07 21:19:24,208 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:23" (1/1) ... [2025-02-07 21:19:24,208 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:23" (1/1) ... [2025-02-07 21:19:24,352 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:23" (1/1) ... [2025-02-07 21:19:24,361 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:23" (1/1) ... [2025-02-07 21:19:24,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:23" (1/1) ... [2025-02-07 21:19:24,392 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:23" (1/1) ... [2025-02-07 21:19:24,419 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 21:19:24,419 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 21:19:24,420 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 21:19:24,420 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 21:19:24,424 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:23" (1/1) ... [2025-02-07 21:19:24,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:19:24,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 21:19:24,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-07 21:19:24,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-07 21:19:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 21:19:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2025-02-07 21:19:24,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2025-02-07 21:19:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2025-02-07 21:19:24,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2025-02-07 21:19:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 21:19:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2025-02-07 21:19:24,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2025-02-07 21:19:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2025-02-07 21:19:24,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2025-02-07 21:19:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2025-02-07 21:19:24,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2025-02-07 21:19:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-07 21:19:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-07 21:19:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-07 21:19:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-07 21:19:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-07 21:19:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-07 21:19:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-07 21:19:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-07 21:19:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-07 21:19:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-07 21:19:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-02-07 21:19:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-02-07 21:19:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-02-07 21:19:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-02-07 21:19:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-02-07 21:19:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2025-02-07 21:19:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2025-02-07 21:19:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2025-02-07 21:19:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2025-02-07 21:19:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-02-07 21:19:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-02-07 21:19:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-02-07 21:19:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-02-07 21:19:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 21:19:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2025-02-07 21:19:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2025-02-07 21:19:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2025-02-07 21:19:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2025-02-07 21:19:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-07 21:19:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-07 21:19:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-07 21:19:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-07 21:19:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-07 21:19:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-07 21:19:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-07 21:19:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-07 21:19:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-07 21:19:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-07 21:19:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-02-07 21:19:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-02-07 21:19:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-02-07 21:19:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-02-07 21:19:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-02-07 21:19:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2025-02-07 21:19:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2025-02-07 21:19:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-07 21:19:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-07 21:19:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 21:19:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-07 21:19:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-07 21:19:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-07 21:19:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-07 21:19:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-07 21:19:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-07 21:19:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-07 21:19:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-07 21:19:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-07 21:19:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-02-07 21:19:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-02-07 21:19:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-02-07 21:19:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-02-07 21:19:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-02-07 21:19:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 21:19:24,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 21:19:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2025-02-07 21:19:24,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2025-02-07 21:19:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2025-02-07 21:19:24,485 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2025-02-07 21:19:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2025-02-07 21:19:24,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2025-02-07 21:19:24,797 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 21:19:24,798 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 21:19:25,401 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L254: assume -128 <= OSEK_Task_ts1_#t~ret45#1 && OSEK_Task_ts1_#t~ret45#1 <= 127;OSEK_Task_ts1_~tmp___5~0#1 := OSEK_Task_ts1_#t~ret45#1; [2025-02-07 21:19:25,401 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L254-1: SUMMARY for call OSEK_Task_ts1_#t~ret45#1 := nxt_motor_get_count(0); srcloc: null [2025-02-07 21:19:25,401 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1947-1: assume __startrek_read_obstacle_flag_#t~switch1408#1;__startrek_read_obstacle_flag_~or3~1#1 := ~__startrek_round~0; [2025-02-07 21:19:25,401 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1947-1: assume !__startrek_read_obstacle_flag_#t~switch1408#1;havoc __startrek_read_obstacle_flag_#t~switch1408#1;havoc __startrek_read_obstacle_flag_#t~switch1408#1;call __startrek_read_obstacle_flag_#t~mem1412#1 := read~int#10(~#_obstacle_flag_~0.base, ~#_obstacle_flag_~0.offset + (if ~__startrek_round~0 % 256 % 4294967296 <= 2147483647 then ~__startrek_round~0 % 256 % 4294967296 else ~__startrek_round~0 % 256 % 4294967296 - 4294967296), 1);__startrek_read_obstacle_flag_~r1~1#1 := (if 0 == __startrek_read_obstacle_flag_#t~mem1412#1 % 256 then 0 else 1);havoc __startrek_read_obstacle_flag_#t~mem1412#1;__startrek_read_obstacle_flag_#res#1 := (if 0 == __startrek_read_obstacle_flag_~r1~1#1 % 256 then 0 else 1); [2025-02-07 21:19:25,401 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: SUMMARY for call __startrek_write_nxtway_gs_mode(1); srcloc: null [2025-02-07 21:19:25,401 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L259: call OSEK_Task_ts1_#t~mem48#1 := read~int#2(OSEK_Task_ts1_~#pwm_r~0#1.base, OSEK_Task_ts1_~#pwm_r~0#1.offset, 1); [2025-02-07 21:19:25,401 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L259-1: SUMMARY for call nxt_motor_set_speed(0, OSEK_Task_ts1_#t~mem47#1, 1); srcloc: null [2025-02-07 21:19:25,401 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L226: assume { :end_inline_balance_init } true; [2025-02-07 21:19:25,402 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L255: OSEK_Task_ts1_~tmp___6~0#1 := OSEK_Task_ts1_#t~ret46#1;assume { :begin_inline_balance_control } true;balance_control_#in~args_cmd_forward#1, balance_control_#in~args_cmd_turn#1, balance_control_#in~args_gyro#1, balance_control_#in~args_gyro_offset#1, balance_control_#in~args_theta_m_l#1, balance_control_#in~args_theta_m_r#1, balance_control_#in~args_battery#1, balance_control_#in~ret_pwm_l#1.base, balance_control_#in~ret_pwm_l#1.offset, balance_control_#in~ret_pwm_r#1.base, balance_control_#in~ret_pwm_r#1.offset := OSEK_Task_ts1_~cmd_forward~0#1, OSEK_Task_ts1_~cmd_turn~0#1, OSEK_Task_ts1_~tmp___6~0#1, ~gyro_offset~0, OSEK_Task_ts1_~tmp___5~0#1, OSEK_Task_ts1_~tmp___4~0#1, OSEK_Task_ts1_~tmp___3~0#1, OSEK_Task_ts1_~#pwm_l~0#1.base, OSEK_Task_ts1_~#pwm_l~0#1.offset, OSEK_Task_ts1_~#pwm_r~0#1.base, OSEK_Task_ts1_~#pwm_r~0#1.offset;havoc balance_control_#t~mem4#1, balance_control_#t~mem5#1, balance_control_#t~mem6#1, balance_control_#t~post7#1, balance_control_#t~mem8#1, balance_control_#t~mem9#1, balance_control_#t~mem10#1, balance_control_#t~post11#1, balance_control_#t~mem12#1, balance_control_#t~mem13#1, balance_control_#t~mem14#1, balance_control_#t~post15#1, balance_control_#t~mem16#1, balance_control_#t~mem17#1, balance_control_#t~mem18#1, balance_control_#t~post19#1, balance_control_#t~nondet20#1, balance_control_#t~nondet21#1, balance_control_~args_cmd_forward#1, balance_control_~args_cmd_turn#1, balance_control_~args_gyro#1, balance_control_~args_gyro_offset#1, balance_control_~args_theta_m_l#1, balance_control_~args_theta_m_r#1, balance_control_~args_battery#1, balance_control_~ret_pwm_l#1.base, balance_control_~ret_pwm_l#1.offset, balance_control_~ret_pwm_r#1.base, balance_control_~ret_pwm_r#1.offset, balance_control_~tmp_theta~0#1, balance_control_~tmp_theta_lpf~0#1, balance_control_~tmp_pwm_r_limiter~0#1, balance_control_~tmp_psidot~0#1, balance_control_~tmp_pwm_turn~0#1, balance_control_~tmp_pwm_l_limiter~0#1, balance_control_~tmp_thetadot_cmd_lpf~0#1, balance_control_~#tmp~0#1.base, balance_control_~#tmp~0#1.offset, balance_control_~#tmp_theta_0~0#1.base, balance_control_~#tmp_theta_0~0#1.offset, balance_control_~tmp_0~0#1, balance_control_~tmp___0~0#1, balance_control_~tmp___1~0#1;balance_control_~args_cmd_forward#1 := balance_control_#in~args_cmd_forward#1;balance_control_~args_cmd_turn#1 := balance_control_#in~args_cmd_turn#1;balance_control_~args_gyro#1 := balance_control_#in~args_gyro#1;balance_control_~args_gyro_offset#1 := balance_control_#in~args_gyro_offset#1;balance_control_~args_theta_m_l#1 := balance_control_#in~args_theta_m_l#1;balance_control_~args_theta_m_r#1 := balance_control_#in~args_theta_m_r#1;balance_control_~args_battery#1 := balance_control_#in~args_battery#1;balance_control_~ret_pwm_l#1.base, balance_control_~ret_pwm_l#1.offset := balance_control_#in~ret_pwm_l#1.base, balance_control_#in~ret_pwm_l#1.offset;balance_control_~ret_pwm_r#1.base, balance_control_~ret_pwm_r#1.offset := balance_control_#in~ret_pwm_r#1.base, balance_control_#in~ret_pwm_r#1.offset;havoc balance_control_~tmp_theta~0#1;havoc balance_control_~tmp_theta_lpf~0#1;havoc balance_control_~tmp_pwm_r_limiter~0#1;havoc balance_control_~tmp_psidot~0#1;havoc balance_control_~tmp_pwm_turn~0#1;havoc balance_control_~tmp_pwm_l_limiter~0#1;havoc balance_control_~tmp_thetadot_cmd_lpf~0#1;call balance_control_~#tmp~0#1.base, balance_control_~#tmp~0#1.offset := #Ultimate.allocOnStack(16);call balance_control_~#tmp_theta_0~0#1.base, balance_control_~#tmp_theta_0~0#1.offset := #Ultimate.allocOnStack(16);havoc balance_control_~tmp_0~0#1;havoc balance_control_~tmp___0~0#1;havoc balance_control_~tmp___1~0#1;balance_control_~tmp_thetadot_cmd_lpf~0#1 := ~convertFLOATToUINT(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~convertUINTToFLOAT(balance_control_~args_cmd_forward#1), 100.0), ~convertUINTToFLOAT(~K_THETADOT~0)), ~someBinaryArithmeticFLOAToperation(1.0, ~convertUINTToFLOAT(~A_R~0))), ~convertUINTToFLOAT(~A_R~0 * ~ud_thetadot_cmd_lpf~0)));balance_control_~tmp_theta~0#1 := ~convertFLOATToUINT(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.01745329238, ~convertUINTToFLOAT(balance_control_~args_theta_m_l#1)), ~convertUINTToFLOAT(~ud_psi~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.01745329238, ~convertUINTToFLOAT(balance_control_~args_theta_m_r#1)), ~convertUINTToFLOAT(~ud_psi~0))), 0.5));balance_control_~tmp_theta_lpf~0#1 := ~convertFLOATToUINT(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(1.0, ~convertUINTToFLOAT(~A_D~0)), ~convertUINTToFLOAT(balance_control_~tmp_theta~0#1)), ~convertUINTToFLOAT(~A_D~0 * ~ud_theta_lpf~0)));balance_control_~tmp_psidot~0#1 := ~convertFLOATToUINT(~someBinaryArithmeticFLOAToperation(~convertUINTToFLOAT(balance_control_~args_gyro#1 - balance_control_~args_gyro_offset#1), 0.01745329238));call write~int#7(~ud_theta_ref~0, balance_control_~#tmp~0#1.base, balance_control_~#tmp~0#1.offset, 4);call write~int#7(~convertFLOATToUINT(0.0), balance_control_~#tmp~0#1.base, 4 + balance_control_~#tmp~0#1.offset, 4);call write~int#7(balance_control_~tmp_thetadot_cmd_lpf~0#1, balance_control_~#tmp~0#1.base, 8 + balance_control_~#tmp~0#1.offset, 4);call write~int#7(~convertFLOATToUINT(0.0), balance_control_~#tmp~0#1.base, 12 + balance_control_~#tmp~0#1.offset, 4);call write~int#14(balance_control_~tmp_theta~0#1, balance_control_~#tmp_theta_0~0#1.base, balance_control_~#tmp_theta_0~0#1.offset, 4);call write~int#14(~ud_psi~0, balance_control_~#tmp_theta_0~0#1.base, 4 + balance_control_~#tmp_theta_0~0#1.offset, 4);call write~int#14(~convertFLOATToUINT(~someBinaryArithmeticFLOAToperation(~convertUINTToFLOAT(balance_control_~tmp_theta_lpf~0#1 - ~ud_theta_lpf~0), 0.00400000019)), balance_control_~#tmp_theta_0~0#1.base, 8 + balance_control_~#tmp_theta_0~0#1.offset, 4);call write~int#14(balance_control_~tmp_psidot~0#1, balance_control_~#tmp_theta_0~0#1.base, 12 + balance_control_~#tmp_theta_0~0#1.offset, 4);balance_control_~tmp_pwm_r_limiter~0#1 := ~convertFLOATToUINT(0.0);balance_control_~tmp_0~0#1 := 0;call balance_control_#t~mem4#1 := read~int#7(balance_control_~#tmp~0#1.base, balance_control_~#tmp~0#1.offset + 4 * balance_control_~tmp_0~0#1, 4);call balance_control_#t~mem5#1 := read~int#14(balance_control_~#tmp_theta_0~0#1.base, balance_control_~#tmp_theta_0~0#1.offset + 4 * balance_control_~tmp_0~0#1, 4);call balance_control_#t~mem6#1 := read~int#0(~#K_F~0.base, ~#K_F~0.offset + 4 * balance_control_~tmp_0~0#1, 4);balance_control_~tmp_pwm_r_limiter~0#1 := balance_control_~tmp_pwm_r_limiter~0#1 + (balance_control_#t~mem4#1 - balance_control_#t~mem5#1) * balance_control_#t~mem6#1;havoc balance_control_#t~mem4#1;havoc balance_control_#t~mem5#1;havoc balance_control_#t~mem6#1;balance_control_#t~post7#1 := balance_control_~tmp_0~0#1;balance_control_~tmp_0~0#1 := 1 + balance_control_#t~post7#1;havoc balance_control_#t~post7#1;call balance_control_#t~mem8#1 := read~int#7(balance_control_~#tmp~0#1.base, balance_control_~#tmp~0#1.offset + 4 * balance_control_~tmp_0~0#1, 4);call balance_control_#t~mem9#1 := read~int#14(balance_control_~#tmp_theta_0~0#1.base, balance_control_~#tmp_theta_0~0#1.offset + 4 * balance_control_~tmp_0~0#1, 4);call balance_control_#t~mem10#1 := read~int#0(~#K_F~0.base, ~#K_F~0.offset + 4 * balance_control_~tmp_0~0#1, 4);balance_control_~tmp_pwm_r_limiter~0#1 := balance_control_~tmp_pwm_r_limiter~0#1 + (balance_control_#t~mem8#1 - balance_control_#t~mem9#1) * balance_control_#t~mem10#1;havoc balance_control_#t~mem8#1;havoc balance_control_#t~mem9#1;havoc balance_control_#t~mem10#1;balance_control_#t~post11#1 := balance_control_~tmp_0~0#1;balance_control_~tmp_0~0#1 := 1 + balance_control_#t~post11#1;havoc balance_control_#t~post11#1;call balance_control_#t~mem12#1 := read~int#7(balance_control_~#tmp~0#1.base, balance_control_~#tmp~0#1.offset + 4 * balance_control_~tmp_0~0#1, 4);call balance_control_#t~mem13#1 := read~int#14(balance_control_~#tmp_theta_0~0#1.base, balance_control_~#tmp_theta_0~0#1.offset + 4 * balance_control_~tmp_0~0#1, 4);call balance_control_#t~mem14#1 := read~int#0(~#K_F~0.base, ~#K_F~0.offset + 4 * balance_control_~tmp_0~0#1, 4);balance_control_~tmp_pwm_r_limiter~0#1 := balance_control_~tmp_pwm_r_limiter~0#1 + (balance_control_#t~mem12#1 - balance_control_#t~mem13#1) * balance_control_#t~mem14#1;havoc balance_control_#t~mem12#1;havoc balance_control_#t~mem13#1;havoc balance_control_#t~mem14#1;balance_control_#t~post15#1 := balance_control_~tmp_0~0#1;balance_control_~tmp_0~0#1 := 1 + balance_control_#t~post15#1;havoc balance_control_#t~post15#1;call balance_control_#t~mem16#1 := read~int#7(balance_control_~#tmp~0#1.base, balance_control_~#tmp~0#1.offset + 4 * balance_control_~tmp_0~0#1, 4);call balance_control_#t~mem17#1 := read~int#14(balance_control_~#tmp_theta_0~0#1.base, balance_control_~#tmp_theta_0~0#1.offset + 4 * balance_control_~tmp_0~0#1, 4);call balance_control_#t~mem18#1 := read~int#0(~#K_F~0.base, ~#K_F~0.offset + 4 * balance_control_~tmp_0~0#1, 4);balance_control_~tmp_pwm_r_limiter~0#1 := balance_control_~tmp_pwm_r_limiter~0#1 + (balance_control_#t~mem16#1 - balance_control_#t~mem17#1) * balance_control_#t~mem18#1;havoc balance_control_#t~mem16#1;havoc balance_control_#t~mem17#1;havoc balance_control_#t~mem18#1;balance_control_#t~post19#1 := balance_control_~tmp_0~0#1;balance_control_~tmp_0~0#1 := 1 + balance_control_#t~post19#1;havoc balance_control_#t~post19#1;balance_control_~tmp_pwm_r_limiter~0#1 := ~convertFLOATToUINT(~someBinaryArithmeticFLOAToperation(~convertUINTToFLOAT((~K_I~0 * ~ud_err_theta~0 + balance_control_~tmp_pwm_r_limiter~0#1) % 4294967296 / ((~BATTERY_GAIN~0 * balance_control_~args_battery#1 - ~BATTERY_OFFSET~0) % 4294967296)), 100.0));balance_control_~tmp_pwm_turn~0#1 := ~convertFLOATToUINT(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~convertUINTToFLOAT(balance_control_~args_cmd_turn#1), 100.0), ~convertUINTToFLOAT(~K_PHIDOT~0)));balance_control_~tmp_pwm_l_limiter~0#1 := balance_control_~tmp_pwm_r_limiter~0#1 + balance_control_~tmp_pwm_turn~0#1;havoc balance_control_#t~nondet20#1;assume -2147483648 <= balance_control_#t~nondet20#1 && balance_control_#t~nondet20#1 <= 2147483647;balance_control_~tmp___0~0#1 := balance_control_#t~nondet20#1;havoc balance_control_#t~nondet20#1;balance_control_~tmp_pwm_l_limiter~0#1 := balance_control_~tmp___0~0#1;call write~int#13((if balance_control_~tmp_pwm_l_limiter~0#1 % 4294967296 % 256 <= 127 then balance_control_~tmp_pwm_l_limiter~0#1 % 4294967296 % 256 else balance_control_~tmp_pwm_l_limiter~0#1 % 4294967296 % 256 - 256), balance_control_~ret_pwm_l#1.base, balance_control_~ret_pwm_l#1.offset, 1);balance_control_~tmp_pwm_r_limiter~0#1 := balance_control_~tmp_pwm_r_limiter~0#1 - balance_control_~tmp_pwm_turn~0#1;havoc balance_control_#t~nondet21#1;assume -2147483648 <= balance_control_#t~nondet21#1 && balance_control_#t~nondet21#1 <= 2147483647;balance_control_~tmp___1~0#1 := balance_control_#t~nondet21#1;havoc balance_control_#t~nondet21#1;balance_control_~tmp_pwm_r_limiter~0#1 := balance_control_~tmp___1~0#1;call write~int#2((if balance_control_~tmp_pwm_r_limiter~0#1 % 4294967296 % 256 <= 127 then balance_control_~tmp_pwm_r_limiter~0#1 % 4294967296 % 256 else balance_control_~tmp_pwm_r_limiter~0#1 % 4294967296 % 256 - 256), balance_control_~ret_pwm_r#1.base, balance_control_~ret_pwm_r#1.offset, 1);balance_control_~tmp_pwm_l_limiter~0#1 := ~convertFLOATToUINT(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.00400000019, ~convertUINTToFLOAT(balance_control_~tmp_thetadot_cmd_lpf~0#1)), ~convertUINTToFLOAT(~ud_theta_ref~0)));balance_control_~tmp_pwm_turn~0#1 := ~convertFLOATToUINT(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.00400000019, ~convertUINTToFLOAT(balance_control_~tmp_psidot~0#1)), ~convertUINTToFLOAT(~ud_psi~0)));balance_control_~tmp_pwm_r_limiter~0#1 := ~convertFLOATToUINT(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~convertUINTToFLOAT(~ud_theta_ref~0 - balance_control_~tmp_theta~0#1), 0.00400000019), ~convertUINTToFLOAT(~ud_err_theta~0)));~ud_err_theta~0 := balance_control_~tmp_pwm_r_limiter~0#1;~ud_theta_ref~0 := balance_control_~tmp_pwm_l_limiter~0#1;~ud_thetadot_cmd_lpf~0 := balance_control_~tmp_thetadot_cmd_lpf~0#1;~ud_psi~0 := balance_control_~tmp_pwm_turn~0#1;~ud_theta_lpf~0 := balance_control_~tmp_theta_lpf~0#1;call ULTIMATE.dealloc(balance_control_~#tmp~0#1.base, balance_control_~#tmp~0#1.offset);havoc balance_control_~#tmp~0#1.base, balance_control_~#tmp~0#1.offset;call ULTIMATE.dealloc(balance_control_~#tmp_theta_0~0#1.base, balance_control_~#tmp_theta_0~0#1.offset);havoc balance_control_~#tmp_theta_0~0#1.base, balance_control_~#tmp_theta_0~0#1.offset; [2025-02-07 21:19:25,406 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L255-1: SUMMARY for call OSEK_Task_ts1_#t~ret46#1 := ecrobot_get_gyro_sensor(3); srcloc: null [2025-02-07 21:19:25,406 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: OSEK_Task_ts1_#t~ret42#1 := __startrek_read_obstacle_flag_#res#1;havoc __startrek_read_obstacle_flag_#t~switch1408#1, __startrek_read_obstacle_flag_#t~ret1409#1, __startrek_read_obstacle_flag_#t~ret1410#1, __startrek_read_obstacle_flag_#t~ret1411#1, __startrek_read_obstacle_flag_#t~mem1412#1, __startrek_read_obstacle_flag_~r1~1#1, __startrek_read_obstacle_flag_~c2~1#1, __startrek_read_obstacle_flag_~or3~1#1;assume { :end_inline___startrek_read_obstacle_flag } true;OSEK_Task_ts1_~tmp___2~0#1 := (if 0 == OSEK_Task_ts1_#t~ret42#1 % 256 then 0 else 1); [2025-02-07 21:19:25,406 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L243-1: assume 0 != OSEK_Task_ts1_~tmp___2~0#1 % 256;OSEK_Task_ts1_~cmd_forward~0#1 := -100;OSEK_Task_ts1_~cmd_turn~0#1 := 0; [2025-02-07 21:19:25,406 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L243-1: assume !(0 != OSEK_Task_ts1_~tmp___2~0#1 % 256); [2025-02-07 21:19:25,406 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L239: havoc ecrobot_sound_tone_~arg0#1, ecrobot_sound_tone_~arg1#1, ecrobot_sound_tone_~arg2#1;havoc ecrobot_sound_tone_#in~arg0#1, ecrobot_sound_tone_#in~arg1#1, ecrobot_sound_tone_#in~arg2#1;assume { :end_inline_ecrobot_sound_tone } true; [2025-02-07 21:19:25,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L78: call ULTIMATE.dealloc(balance_control_~#tmp~0#1.base, balance_control_~#tmp~0#1.offset);havoc balance_control_~#tmp~0#1.base, balance_control_~#tmp~0#1.offset;call ULTIMATE.dealloc(balance_control_~#tmp_theta_0~0#1.base, balance_control_~#tmp_theta_0~0#1.offset);havoc balance_control_~#tmp_theta_0~0#1.base, balance_control_~#tmp_theta_0~0#1.offset;havoc balance_control_#t~mem4#1, balance_control_#t~mem5#1, balance_control_#t~mem6#1, balance_control_#t~post7#1, balance_control_#t~mem8#1, balance_control_#t~mem9#1, balance_control_#t~mem10#1, balance_control_#t~post11#1, balance_control_#t~mem12#1, balance_control_#t~mem13#1, balance_control_#t~mem14#1, balance_control_#t~post15#1, balance_control_#t~mem16#1, balance_control_#t~mem17#1, balance_control_#t~mem18#1, balance_control_#t~post19#1, balance_control_#t~nondet20#1, balance_control_#t~nondet21#1, balance_control_~args_cmd_forward#1, balance_control_~args_cmd_turn#1, balance_control_~args_gyro#1, balance_control_~args_gyro_offset#1, balance_control_~args_theta_m_l#1, balance_control_~args_theta_m_r#1, balance_control_~args_battery#1, balance_control_~ret_pwm_l#1.base, balance_control_~ret_pwm_l#1.offset, balance_control_~ret_pwm_r#1.base, balance_control_~ret_pwm_r#1.offset, balance_control_~tmp_theta~0#1, balance_control_~tmp_theta_lpf~0#1, balance_control_~tmp_pwm_r_limiter~0#1, balance_control_~tmp_psidot~0#1, balance_control_~tmp_pwm_turn~0#1, balance_control_~tmp_pwm_l_limiter~0#1, balance_control_~tmp_thetadot_cmd_lpf~0#1, balance_control_~#tmp~0#1.base, balance_control_~#tmp~0#1.offset, balance_control_~#tmp_theta_0~0#1.base, balance_control_~#tmp_theta_0~0#1.offset, balance_control_~tmp_0~0#1, balance_control_~tmp___0~0#1, balance_control_~tmp___1~0#1;havoc balance_control_#in~args_cmd_forward#1, balance_control_#in~args_cmd_turn#1, balance_control_#in~args_gyro#1, balance_control_#in~args_gyro_offset#1, balance_control_#in~args_theta_m_l#1, balance_control_#in~args_theta_m_r#1, balance_control_#in~args_battery#1, balance_control_#in~ret_pwm_l#1.base, balance_control_#in~ret_pwm_l#1.offset, balance_control_#in~ret_pwm_r#1.base, balance_control_#in~ret_pwm_r#1.offset;assume { :end_inline_balance_control } true;call OSEK_Task_ts1_#t~mem47#1 := read~int#13(OSEK_Task_ts1_~#pwm_l~0#1.base, OSEK_Task_ts1_~#pwm_l~0#1.offset, 1); [2025-02-07 21:19:25,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1932: __startrek_read_obstacle_flag_~c2~1#1 := (if 0 == __startrek_read_obstacle_flag_#t~ret1409#1 % 256 then 0 else 1);havoc __startrek_read_obstacle_flag_#t~ret1409#1; [2025-02-07 21:19:25,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1932-1: SUMMARY for call __startrek_read_obstacle_flag_#t~ret1409#1 := __startrek_cs_t0(); srcloc: null [2025-02-07 21:19:25,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L260: assume { :begin_inline_ecrobot_bt_data_logger } true;ecrobot_bt_data_logger_#in~arg0#1, ecrobot_bt_data_logger_#in~arg1#1 := OSEK_Task_ts1_~cmd_forward~0#1, OSEK_Task_ts1_~cmd_turn~0#1;havoc ecrobot_bt_data_logger_~arg0#1, ecrobot_bt_data_logger_~arg1#1;ecrobot_bt_data_logger_~arg0#1 := ecrobot_bt_data_logger_#in~arg0#1;ecrobot_bt_data_logger_~arg1#1 := ecrobot_bt_data_logger_#in~arg1#1; [2025-02-07 21:19:25,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L260-1: SUMMARY for call nxt_motor_set_speed(1, OSEK_Task_ts1_#t~mem48#1, 1); srcloc: null [2025-02-07 21:19:25,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L227: SUMMARY for call nxt_motor_set_count(0, 0); srcloc: null [2025-02-07 21:19:25,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L252: OSEK_Task_ts1_#t~ret43#1 := ecrobot_get_battery_voltage_#res#1;havoc ecrobot_get_battery_voltage_#t~nondet30#1, ecrobot_get_battery_voltage_~tmp~3#1;assume { :end_inline_ecrobot_get_battery_voltage } true;OSEK_Task_ts1_~tmp___3~0#1 := OSEK_Task_ts1_#t~ret43#1; [2025-02-07 21:19:25,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L252-1: assume { :begin_inline_ecrobot_get_battery_voltage } true;havoc ecrobot_get_battery_voltage_#res#1;havoc ecrobot_get_battery_voltage_#t~nondet30#1, ecrobot_get_battery_voltage_~tmp~3#1;havoc ecrobot_get_battery_voltage_~tmp~3#1;havoc ecrobot_get_battery_voltage_#t~nondet30#1;ecrobot_get_battery_voltage_~tmp~3#1 := ecrobot_get_battery_voltage_#t~nondet30#1;havoc ecrobot_get_battery_voltage_#t~nondet30#1;ecrobot_get_battery_voltage_#res#1 := ecrobot_get_battery_voltage_~tmp~3#1; [2025-02-07 21:19:25,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1941: __startrek_read_obstacle_flag_~c2~1#1 := (if 0 == __startrek_read_obstacle_flag_#t~ret1410#1 % 256 then 0 else 1);havoc __startrek_read_obstacle_flag_#t~ret1410#1; [2025-02-07 21:19:25,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1941-1: SUMMARY for call __startrek_read_obstacle_flag_#t~ret1410#1 := __startrek_cs_t1(); srcloc: null [2025-02-07 21:19:25,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L244: havoc ecrobot_read_bt_packet_#t~nondet28#1, ecrobot_read_bt_packet_#t~nondet29#1, ecrobot_read_bt_packet_~bt_receive_buf#1.base, ecrobot_read_bt_packet_~bt_receive_buf#1.offset, ecrobot_read_bt_packet_~sz#1;havoc ecrobot_read_bt_packet_#in~bt_receive_buf#1.base, ecrobot_read_bt_packet_#in~bt_receive_buf#1.offset, ecrobot_read_bt_packet_#in~sz#1;assume { :end_inline_ecrobot_read_bt_packet } true;call OSEK_Task_ts1_#t~mem40#1 := read~int#12(~#bt_receive_buf~0.base, ~#bt_receive_buf~0.offset, 1);OSEK_Task_ts1_~cmd_forward~0#1 := (if -(if OSEK_Task_ts1_#t~mem40#1 % 256 % 256 <= 127 then OSEK_Task_ts1_#t~mem40#1 % 256 % 256 else OSEK_Task_ts1_#t~mem40#1 % 256 % 256 - 256) % 256 <= 127 then -(if OSEK_Task_ts1_#t~mem40#1 % 256 % 256 <= 127 then OSEK_Task_ts1_#t~mem40#1 % 256 % 256 else OSEK_Task_ts1_#t~mem40#1 % 256 % 256 - 256) % 256 else -(if OSEK_Task_ts1_#t~mem40#1 % 256 % 256 <= 127 then OSEK_Task_ts1_#t~mem40#1 % 256 % 256 else OSEK_Task_ts1_#t~mem40#1 % 256 % 256 - 256) % 256 - 256);call OSEK_Task_ts1_#t~mem41#1 := read~int#12(~#bt_receive_buf~0.base, 1 + ~#bt_receive_buf~0.offset, 1);OSEK_Task_ts1_~cmd_turn~0#1 := (if OSEK_Task_ts1_#t~mem41#1 % 256 % 256 <= 127 then OSEK_Task_ts1_#t~mem41#1 % 256 % 256 else OSEK_Task_ts1_#t~mem41#1 % 256 % 256 - 256);assume { :begin_inline___startrek_read_obstacle_flag } true;havoc __startrek_read_obstacle_flag_#res#1;havoc __startrek_read_obstacle_flag_#t~switch1408#1, __startrek_read_obstacle_flag_#t~ret1409#1, __startrek_read_obstacle_flag_#t~ret1410#1, __startrek_read_obstacle_flag_#t~ret1411#1, __startrek_read_obstacle_flag_#t~mem1412#1, __startrek_read_obstacle_flag_~r1~1#1, __startrek_read_obstacle_flag_~c2~1#1, __startrek_read_obstacle_flag_~or3~1#1;havoc __startrek_read_obstacle_flag_~r1~1#1;havoc __startrek_read_obstacle_flag_~c2~1#1;havoc __startrek_read_obstacle_flag_~or3~1#1;__startrek_read_obstacle_flag_#t~switch1408#1 := 0 == (if ~__startrek_task~0 % 256 % 4294967296 <= 2147483647 then ~__startrek_task~0 % 256 % 4294967296 else ~__startrek_task~0 % 256 % 4294967296 - 4294967296); [2025-02-07 21:19:25,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L240: SUMMARY for call __startrek_write_nxtway_gs_mode(2); srcloc: null [2025-02-07 21:19:25,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1929-1: assume __startrek_read_obstacle_flag_#t~switch1408#1;__startrek_read_obstacle_flag_~or3~1#1 := ~__startrek_round~0; [2025-02-07 21:19:25,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1929-1: assume !__startrek_read_obstacle_flag_#t~switch1408#1;__startrek_read_obstacle_flag_#t~switch1408#1 := __startrek_read_obstacle_flag_#t~switch1408#1 || 1 == (if ~__startrek_task~0 % 256 % 4294967296 <= 2147483647 then ~__startrek_task~0 % 256 % 4294967296 else ~__startrek_task~0 % 256 % 4294967296 - 4294967296); [2025-02-07 21:19:25,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc ecrobot_bt_data_logger_~arg0#1, ecrobot_bt_data_logger_~arg1#1;havoc ecrobot_bt_data_logger_#in~arg0#1, ecrobot_bt_data_logger_#in~arg1#1;assume { :end_inline_ecrobot_bt_data_logger } true; [2025-02-07 21:19:25,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L228: SUMMARY for call nxt_motor_set_count(1, 0); srcloc: null [2025-02-07 21:19:25,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1950: __startrek_read_obstacle_flag_~c2~1#1 := (if 0 == __startrek_read_obstacle_flag_#t~ret1411#1 % 256 then 0 else 1);havoc __startrek_read_obstacle_flag_#t~ret1411#1; [2025-02-07 21:19:25,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L253: assume -128 <= OSEK_Task_ts1_#t~ret44#1 && OSEK_Task_ts1_#t~ret44#1 <= 127;OSEK_Task_ts1_~tmp___4~0#1 := OSEK_Task_ts1_#t~ret44#1; [2025-02-07 21:19:25,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1950-1: SUMMARY for call __startrek_read_obstacle_flag_#t~ret1411#1 := __startrek_cs_t2(); srcloc: null [2025-02-07 21:19:25,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L253-1: SUMMARY for call OSEK_Task_ts1_#t~ret44#1 := nxt_motor_get_count(1); srcloc: null [2025-02-07 21:19:25,409 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1938-1: assume __startrek_read_obstacle_flag_#t~switch1408#1;__startrek_read_obstacle_flag_~or3~1#1 := ~__startrek_round~0; [2025-02-07 21:19:25,409 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1938-1: assume !__startrek_read_obstacle_flag_#t~switch1408#1;__startrek_read_obstacle_flag_#t~switch1408#1 := __startrek_read_obstacle_flag_#t~switch1408#1 || 2 == (if ~__startrek_task~0 % 256 % 4294967296 <= 2147483647 then ~__startrek_task~0 % 256 % 4294967296 else ~__startrek_task~0 % 256 % 4294967296 - 4294967296); [2025-02-07 21:19:25,409 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L204: call ULTIMATE.dealloc(OSEK_Task_ts1_~#pwm_l~0#1.base, OSEK_Task_ts1_~#pwm_l~0#1.offset);havoc OSEK_Task_ts1_~#pwm_l~0#1.base, OSEK_Task_ts1_~#pwm_l~0#1.offset;call ULTIMATE.dealloc(OSEK_Task_ts1_~#pwm_r~0#1.base, OSEK_Task_ts1_~#pwm_r~0#1.offset);havoc OSEK_Task_ts1_~#pwm_r~0#1.base, OSEK_Task_ts1_~#pwm_r~0#1.offset; [2025-02-07 21:19:25,409 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L229: ~cal_start_time~0 := OSEK_Task_ts1_#t~ret36#1; [2025-02-07 21:19:25,409 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L229-1: SUMMARY for call OSEK_Task_ts1_#t~ret36#1 := ecrobot_get_systick_ms(); srcloc: null [2025-02-07 21:19:25,419 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L289: OSEK_Task_ts2_#t~ret51#1 := ecrobot_get_sonar_sensor_#res#1;havoc ecrobot_get_sonar_sensor_#t~nondet49#1, ecrobot_get_sonar_sensor_~port#1, ecrobot_get_sonar_sensor_~tmp~5#1;havoc ecrobot_get_sonar_sensor_#in~port#1;assume { :end_inline_ecrobot_get_sonar_sensor } true;OSEK_Task_ts2_~tmp___0~2#1 := OSEK_Task_ts2_#t~ret51#1;havoc OSEK_Task_ts2_#t~ret51#1; [2025-02-07 21:19:25,419 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L291: SUMMARY for call __startrek_write_obstacle_flag(1); srcloc: null [2025-02-07 21:19:25,419 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L290: assume (if OSEK_Task_ts2_~tmp___0~2#1 % 256 % 4294967296 <= 2147483647 then OSEK_Task_ts2_~tmp___0~2#1 % 256 % 4294967296 else OSEK_Task_ts2_~tmp___0~2#1 % 256 % 4294967296 - 4294967296) <= 25; [2025-02-07 21:19:25,419 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L290: assume !((if OSEK_Task_ts2_~tmp___0~2#1 % 256 % 4294967296 <= 2147483647 then OSEK_Task_ts2_~tmp___0~2#1 % 256 % 4294967296 else OSEK_Task_ts2_~tmp___0~2#1 % 256 % 4294967296 - 4294967296) <= 25); [2025-02-07 21:19:29,658 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2025-02-07 21:19:29,658 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 21:19:29,681 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 21:19:29,682 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 21:19:29,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:19:29 BoogieIcfgContainer [2025-02-07 21:19:29,682 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 21:19:29,683 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 21:19:29,684 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 21:19:29,686 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 21:19:29,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 09:19:23" (1/3) ... [2025-02-07 21:19:29,689 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bebd61f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:19:29, skipping insertion in model container [2025-02-07 21:19:29,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:23" (2/3) ... [2025-02-07 21:19:29,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bebd61f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:19:29, skipping insertion in model container [2025-02-07 21:19:29,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:19:29" (3/3) ... [2025-02-07 21:19:29,693 INFO L128 eAbstractionObserver]: Analyzing ICFG rekh_nxt.1.M4-1.c [2025-02-07 21:19:29,704 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 21:19:29,707 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rekh_nxt.1.M4-1.c that has 17 procedures, 1434 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-07 21:19:29,779 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 21:19:29,788 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7998deb2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 21:19:29,788 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 21:19:29,797 INFO L276 IsEmpty]: Start isEmpty. Operand has 1419 states, 771 states have (on average 1.2762645914396886) internal successors, (984), 904 states have internal predecessors, (984), 596 states have call successors, (596), 13 states have call predecessors, (596), 13 states have return successors, (596), 499 states have call predecessors, (596), 596 states have call successors, (596) [2025-02-07 21:19:30,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8196 [2025-02-07 21:19:30,322 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 21:19:30,325 INFO L218 NwaCegarLoop]: trace histogram [940, 940, 940, 108, 108, 108, 108, 108, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 21:19:30,325 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 21:19:30,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 21:19:30,331 INFO L85 PathProgramCache]: Analyzing trace with hash 542133637, now seen corresponding path program 1 times [2025-02-07 21:19:30,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 21:19:30,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804592873] [2025-02-07 21:19:30,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 21:19:30,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 21:19:31,685 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8195 statements into 1 equivalence classes. [2025-02-07 21:19:31,842 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8195 of 8195 statements. [2025-02-07 21:19:31,843 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 21:19:31,843 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 21:19:38,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1850036 backedges. 0 proven. 3885 refuted. 0 times theorem prover too weak. 1846151 trivial. 0 not checked. [2025-02-07 21:19:38,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 21:19:38,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804592873] [2025-02-07 21:19:38,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804592873] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-07 21:19:38,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122225201] [2025-02-07 21:19:38,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 21:19:38,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-07 21:19:38,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 21:19:38,903 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-07 21:19:38,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-07 21:19:41,873 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8195 statements into 1 equivalence classes. [2025-02-07 21:19:44,681 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8195 of 8195 statements. [2025-02-07 21:19:44,682 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 21:19:44,682 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 21:19:44,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 28078 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-07 21:19:44,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 21:19:45,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1850036 backedges. 1884 proven. 0 refuted. 0 times theorem prover too weak. 1848152 trivial. 0 not checked. [2025-02-07 21:19:45,438 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-07 21:19:45,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122225201] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 21:19:45,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-07 21:19:45,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-07 21:19:45,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963375996] [2025-02-07 21:19:45,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 21:19:45,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-07 21:19:45,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 21:19:45,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-07 21:19:45,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-07 21:19:45,495 INFO L87 Difference]: Start difference. First operand has 1419 states, 771 states have (on average 1.2762645914396886) internal successors, (984), 904 states have internal predecessors, (984), 596 states have call successors, (596), 13 states have call predecessors, (596), 13 states have return successors, (596), 499 states have call predecessors, (596), 596 states have call successors, (596) Second operand has 2 states, 2 states have (on average 223.5) internal successors, (447), 2 states have internal predecessors, (447), 2 states have call successors, (271), 2 states have call predecessors, (271), 1 states have return successors, (271), 1 states have call predecessors, (271), 2 states have call successors, (271) [2025-02-07 21:19:45,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 21:19:45,674 INFO L93 Difference]: Finished difference Result 2828 states and 4902 transitions. [2025-02-07 21:19:45,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-07 21:19:45,676 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 223.5) internal successors, (447), 2 states have internal predecessors, (447), 2 states have call successors, (271), 2 states have call predecessors, (271), 1 states have return successors, (271), 1 states have call predecessors, (271), 2 states have call successors, (271) Word has length 8195 [2025-02-07 21:19:45,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 21:19:45,697 INFO L225 Difference]: With dead ends: 2828 [2025-02-07 21:19:45,697 INFO L226 Difference]: Without dead ends: 754 [2025-02-07 21:19:45,721 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8196 GetRequests, 8196 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-07 21:19:45,723 INFO L435 NwaCegarLoop]: 2171 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2171 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-07 21:19:45,723 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2171 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-07 21:19:45,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2025-02-07 21:19:45,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 754. [2025-02-07 21:19:45,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 754 states, 462 states have (on average 1.0303030303030303) internal successors, (476), 462 states have internal predecessors, (476), 284 states have call successors, (284), 7 states have call predecessors, (284), 7 states have return successors, (284), 284 states have call predecessors, (284), 284 states have call successors, (284) [2025-02-07 21:19:45,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1044 transitions. [2025-02-07 21:19:45,981 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1044 transitions. Word has length 8195 [2025-02-07 21:19:45,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 21:19:45,983 INFO L471 AbstractCegarLoop]: Abstraction has 754 states and 1044 transitions. [2025-02-07 21:19:45,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 223.5) internal successors, (447), 2 states have internal predecessors, (447), 2 states have call successors, (271), 2 states have call predecessors, (271), 1 states have return successors, (271), 1 states have call predecessors, (271), 2 states have call successors, (271) [2025-02-07 21:19:45,984 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1044 transitions. [2025-02-07 21:19:46,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8196 [2025-02-07 21:19:46,278 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 21:19:46,282 INFO L218 NwaCegarLoop]: trace histogram [940, 940, 940, 108, 108, 108, 108, 108, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 21:19:46,345 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-07 21:19:46,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-07 21:19:46,484 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 21:19:46,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 21:19:46,486 INFO L85 PathProgramCache]: Analyzing trace with hash 140424561, now seen corresponding path program 1 times [2025-02-07 21:19:46,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 21:19:46,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385996327] [2025-02-07 21:19:46,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 21:19:46,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 21:19:47,760 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8195 statements into 1 equivalence classes. [2025-02-07 21:19:48,012 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8195 of 8195 statements. [2025-02-07 21:19:48,013 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 21:19:48,013 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 21:19:55,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1850036 backedges. 0 proven. 1079 refuted. 0 times theorem prover too weak. 1848957 trivial. 0 not checked. [2025-02-07 21:19:55,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 21:19:55,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385996327] [2025-02-07 21:19:55,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385996327] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-07 21:19:55,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783447269] [2025-02-07 21:19:55,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 21:19:55,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-07 21:19:55,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 21:19:55,810 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-07 21:19:55,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-07 21:19:58,400 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8195 statements into 1 equivalence classes. [2025-02-07 21:20:01,354 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8195 of 8195 statements. [2025-02-07 21:20:01,354 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 21:20:01,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 21:20:01,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 28078 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-07 21:20:01,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 21:20:01,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1850036 backedges. 611645 proven. 0 refuted. 0 times theorem prover too weak. 1238391 trivial. 0 not checked. [2025-02-07 21:20:01,777 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-07 21:20:01,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783447269] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 21:20:01,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-07 21:20:01,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 3 [2025-02-07 21:20:01,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936856534] [2025-02-07 21:20:01,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 21:20:01,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-07 21:20:01,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 21:20:01,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-07 21:20:01,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-07 21:20:01,788 INFO L87 Difference]: Start difference. First operand 754 states and 1044 transitions. Second operand has 3 states, 3 states have (on average 229.0) internal successors, (687), 3 states have internal predecessors, (687), 2 states have call successors, (480), 2 states have call predecessors, (480), 2 states have return successors, (480), 2 states have call predecessors, (480), 2 states have call successors, (480) [2025-02-07 21:20:01,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 21:20:01,838 INFO L93 Difference]: Finished difference Result 1241 states and 1767 transitions. [2025-02-07 21:20:01,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-07 21:20:01,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 229.0) internal successors, (687), 3 states have internal predecessors, (687), 2 states have call successors, (480), 2 states have call predecessors, (480), 2 states have return successors, (480), 2 states have call predecessors, (480), 2 states have call successors, (480) Word has length 8195 [2025-02-07 21:20:01,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 21:20:01,844 INFO L225 Difference]: With dead ends: 1241 [2025-02-07 21:20:01,844 INFO L226 Difference]: Without dead ends: 0 [2025-02-07 21:20:01,849 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8197 GetRequests, 8196 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-07 21:20:01,850 INFO L435 NwaCegarLoop]: 723 mSDtfsCounter, 0 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1441 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 [2025-02-07 21:20:01,850 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1441 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-07 21:20:01,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-07 21:20:01,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-07 21:20:01,850 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) [2025-02-07 21:20:01,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-07 21:20:01,851 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8195 [2025-02-07 21:20:01,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 21:20:01,852 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-07 21:20:01,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.0) internal successors, (687), 3 states have internal predecessors, (687), 2 states have call successors, (480), 2 states have call predecessors, (480), 2 states have return successors, (480), 2 states have call predecessors, (480), 2 states have call successors, (480) [2025-02-07 21:20:01,853 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-07 21:20:01,854 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 21:20:01,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 21:20:01,923 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-07 21:20:02,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-07 21:20:02,059 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-07 21:20:02,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-07 21:20:02,461 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 21:20:02,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 09:20:02 BoogieIcfgContainer [2025-02-07 21:20:02,473 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 21:20:02,473 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 21:20:02,473 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 21:20:02,474 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 21:20:02,474 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:19:29" (3/4) ... [2025-02-07 21:20:02,476 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 21:20:02,480 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __startrek_hyperperiod [2025-02-07 21:20:02,480 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure nxt_motor_set_count [2025-02-07 21:20:02,480 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __startrek_entry_pt_OSEK_Task_Background [2025-02-07 21:20:02,480 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __startrek_cs_t2 [2025-02-07 21:20:02,480 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __startrek_write_nxtway_gs_mode [2025-02-07 21:20:02,480 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-02-07 21:20:02,480 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __startrek_cs_t0 [2025-02-07 21:20:02,481 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ecrobot_get_gyro_sensor [2025-02-07 21:20:02,481 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __startrek_cs_t1 [2025-02-07 21:20:02,481 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-02-07 21:20:02,481 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-02-07 21:20:02,481 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure nxt_motor_set_speed [2025-02-07 21:20:02,481 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __startrek_write_obstacle_flag [2025-02-07 21:20:02,481 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ecrobot_get_systick_ms [2025-02-07 21:20:02,481 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure nxt_motor_get_count [2025-02-07 21:20:02,481 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __startrek_read_nxtway_gs_mode [2025-02-07 21:20:02,515 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2025-02-07 21:20:02,520 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2025-02-07 21:20:02,524 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-07 21:20:02,529 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 21:20:02,738 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 21:20:02,739 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 21:20:02,739 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 21:20:02,739 INFO L158 Benchmark]: Toolchain (without parser) took 39522.68ms. Allocated memory was 142.6MB in the beginning and 6.4GB in the end (delta: 6.3GB). Free memory was 108.9MB in the beginning and 5.0GB in the end (delta: -4.9GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2025-02-07 21:20:02,739 INFO L158 Benchmark]: CDTParser took 0.86ms. Allocated memory is still 201.3MB. Free memory is still 127.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 21:20:02,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 685.06ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 40.6MB in the end (delta: 68.3MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-02-07 21:20:02,740 INFO L158 Benchmark]: Boogie Procedure Inliner took 203.33ms. Allocated memory is still 142.6MB. Free memory was 40.6MB in the beginning and 66.9MB in the end (delta: -26.3MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2025-02-07 21:20:02,740 INFO L158 Benchmark]: Boogie Preprocessor took 307.88ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 66.9MB in the beginning and 86.3MB in the end (delta: -19.4MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2025-02-07 21:20:02,740 INFO L158 Benchmark]: IcfgBuilder took 5262.59ms. Allocated memory was 151.0MB in the beginning and 360.7MB in the end (delta: 209.7MB). Free memory was 86.3MB in the beginning and 230.9MB in the end (delta: -144.6MB). Peak memory consumption was 208.7MB. Max. memory is 16.1GB. [2025-02-07 21:20:02,741 INFO L158 Benchmark]: TraceAbstraction took 32789.58ms. Allocated memory was 360.7MB in the beginning and 6.4GB in the end (delta: 6.0GB). Free memory was 230.9MB in the beginning and 5.0GB in the end (delta: -4.8GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2025-02-07 21:20:02,741 INFO L158 Benchmark]: Witness Printer took 265.20ms. Allocated memory is still 6.4GB. Free memory was 5.0GB in the beginning and 5.0GB in the end (delta: 67.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-02-07 21:20:02,745 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86ms. Allocated memory is still 201.3MB. Free memory is still 127.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 685.06ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 40.6MB in the end (delta: 68.3MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 203.33ms. Allocated memory is still 142.6MB. Free memory was 40.6MB in the beginning and 66.9MB in the end (delta: -26.3MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 307.88ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 66.9MB in the beginning and 86.3MB in the end (delta: -19.4MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * IcfgBuilder took 5262.59ms. Allocated memory was 151.0MB in the beginning and 360.7MB in the end (delta: 209.7MB). Free memory was 86.3MB in the beginning and 230.9MB in the end (delta: -144.6MB). Peak memory consumption was 208.7MB. Max. memory is 16.1GB. * TraceAbstraction took 32789.58ms. Allocated memory was 360.7MB in the beginning and 6.4GB in the end (delta: 6.0GB). Free memory was 230.9MB in the beginning and 5.0GB in the end (delta: -4.8GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 265.20ms. Allocated memory is still 6.4GB. Free memory was 5.0GB in the beginning and 5.0GB in the end (delta: 67.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 38]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.bug1.i","-S") [38] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 39]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 17 procedures, 1434 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 32.3s, OverallIterations: 2, TraceHistogramMax: 940, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.8s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 3612 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 718 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 2894 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16393 GetRequests, 16392 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1419occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 3.3s SsaConstructionTime, 6.2s SatisfiabilityAnalysisTime, 15.9s InterpolantComputationTime, 32780 NumberOfCodeBlocks, 32780 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 32776 ConstructedInterpolants, 0 QuantifiedInterpolants, 32776 SizeOfPredicates, 0 NumberOfNonLiveVariables, 56156 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 7395180/7400144 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-07 21:20:02,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE