./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.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.2.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 c3428ae6a0cff233befb72334b90ad9e2070ed1c51acfcfa2fe6d4fef2ceb1ff --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 21:19:26,279 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 21:19:26,355 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 21:19:26,361 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 21:19:26,361 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 21:19:26,384 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 21:19:26,385 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 21:19:26,386 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 21:19:26,386 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 21:19:26,386 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 21:19:26,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 21:19:26,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 21:19:26,388 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 21:19:26,388 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 21:19:26,388 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 21:19:26,388 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 21:19:26,389 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 21:19:26,389 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 21:19:26,389 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 21:19:26,389 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 21:19:26,389 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 21:19:26,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 21:19:26,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 21:19:26,389 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 21:19:26,389 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 21:19:26,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 21:19:26,390 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 21:19:26,390 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 21:19:26,390 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 21:19:26,390 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 21:19:26,390 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 21:19:26,390 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 21:19:26,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:19:26,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 21:19:26,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 21:19:26,391 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 21:19:26,391 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 21:19:26,392 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 21:19:26,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 21:19:26,392 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 21:19:26,392 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 21:19:26,392 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 21:19:26,392 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 21:19:26,392 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 -> c3428ae6a0cff233befb72334b90ad9e2070ed1c51acfcfa2fe6d4fef2ceb1ff [2025-02-07 21:19:26,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 21:19:26,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 21:19:26,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 21:19:26,694 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 21:19:26,694 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 21:19:26,696 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M4-1.c [2025-02-07 21:19:27,978 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/73b5644f0/df24f7e6e7f44daaa79cc67ed8172c6c/FLAGda2c63fdf [2025-02-07 21:19:28,312 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 21:19:28,312 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M4-1.c [2025-02-07 21:19:28,340 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/73b5644f0/df24f7e6e7f44daaa79cc67ed8172c6c/FLAGda2c63fdf [2025-02-07 21:19:28,359 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/73b5644f0/df24f7e6e7f44daaa79cc67ed8172c6c [2025-02-07 21:19:28,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 21:19:28,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 21:19:28,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 21:19:28,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 21:19:28,375 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 21:19:28,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:19:28" (1/1) ... [2025-02-07 21:19:28,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bbc6213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:28, skipping insertion in model container [2025-02-07 21:19:28,377 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:19:28" (1/1) ... [2025-02-07 21:19:28,425 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 21:19:28,598 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.2.M4-1.c[1682,1695] [2025-02-07 21:19:28,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:19:28,975 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 21:19:28,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.ok2.i","-S") [42] [2025-02-07 21:19:28,990 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.2.M4-1.c[1682,1695] [2025-02-07 21:19:29,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:19:29,219 INFO L204 MainTranslator]: Completed translation [2025-02-07 21:19:29,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:29 WrapperNode [2025-02-07 21:19:29,221 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 21:19:29,222 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 21:19:29,222 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 21:19:29,222 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 21:19:29,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:29" (1/1) ... [2025-02-07 21:19:29,312 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:29" (1/1) ... [2025-02-07 21:19:29,465 INFO L138 Inliner]: procedures = 56, calls = 2288, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 4967 [2025-02-07 21:19:29,467 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 21:19:29,467 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 21:19:29,468 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 21:19:29,469 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 21:19:29,477 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:29" (1/1) ... [2025-02-07 21:19:29,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:29" (1/1) ... [2025-02-07 21:19:29,520 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:29" (1/1) ... [2025-02-07 21:19:29,587 INFO L175 MemorySlicer]: Split 1599 memory accesses to 15 slices as follows [2, 7, 4, 277, 285, 113, 113, 186, 203, 186, 203, 8, 2, 8, 2]. 18 percent of accesses are in the largest equivalence class. The 220 initializations are split as follows [2, 2, 0, 27, 27, 27, 27, 27, 27, 27, 27, 0, 0, 0, 0]. The 235 writes are split as follows [0, 3, 0, 27, 27, 27, 27, 31, 26, 31, 26, 4, 1, 4, 1]. [2025-02-07 21:19:29,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:29" (1/1) ... [2025-02-07 21:19:29,587 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:29" (1/1) ... [2025-02-07 21:19:29,746 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:29" (1/1) ... [2025-02-07 21:19:29,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:29" (1/1) ... [2025-02-07 21:19:29,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:29" (1/1) ... [2025-02-07 21:19:29,794 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:29" (1/1) ... [2025-02-07 21:19:29,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 21:19:29,825 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 21:19:29,825 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 21:19:29,825 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 21:19:29,826 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:29" (1/1) ... [2025-02-07 21:19:29,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:19:29,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 21:19:29,858 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 21:19:29,864 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 21:19:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 21:19:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2025-02-07 21:19:29,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2025-02-07 21:19:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2025-02-07 21:19:29,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2025-02-07 21:19:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 21:19:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2025-02-07 21:19:29,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2025-02-07 21:19:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2025-02-07 21:19:29,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2025-02-07 21:19:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2025-02-07 21:19:29,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2025-02-07 21:19:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-07 21:19:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-07 21:19:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-07 21:19:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-07 21:19:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-07 21:19:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-07 21:19:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-07 21:19:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-07 21:19:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-07 21:19:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-07 21:19:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-02-07 21:19:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-02-07 21:19:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-02-07 21:19:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-02-07 21:19:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-02-07 21:19:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2025-02-07 21:19:29,886 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2025-02-07 21:19:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2025-02-07 21:19:29,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2025-02-07 21:19:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-02-07 21:19:29,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-02-07 21:19:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-02-07 21:19:29,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-02-07 21:19:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 21:19:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2025-02-07 21:19:29,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2025-02-07 21:19:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2025-02-07 21:19:29,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2025-02-07 21:19:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-07 21:19:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-07 21:19:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-07 21:19:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-07 21:19:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-07 21:19:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-07 21:19:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-07 21:19:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-07 21:19:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-07 21:19:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-07 21:19:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-02-07 21:19:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-02-07 21:19:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-02-07 21:19:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-02-07 21:19:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-02-07 21:19:29,890 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2025-02-07 21:19:29,890 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2025-02-07 21:19:29,890 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2025-02-07 21:19:29,890 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2025-02-07 21:19:29,891 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-07 21:19:29,891 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-07 21:19:29,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 21:19:29,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-07 21:19:29,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-07 21:19:29,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-07 21:19:29,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-07 21:19:29,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-07 21:19:29,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-07 21:19:29,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-07 21:19:29,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-07 21:19:29,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-07 21:19:29,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-02-07 21:19:29,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-02-07 21:19:29,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-02-07 21:19:29,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-02-07 21:19:29,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-02-07 21:19:29,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 21:19:29,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 21:19:29,894 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2025-02-07 21:19:29,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2025-02-07 21:19:29,894 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2025-02-07 21:19:29,894 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2025-02-07 21:19:29,894 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2025-02-07 21:19:29,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2025-02-07 21:19:30,345 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 21:19:30,347 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 21:19:31,211 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L258-1: SUMMARY for call OSEK_Task_ts1_#t~ret45#1 := nxt_motor_get_count(0); srcloc: null [2025-02-07 21:19:31,212 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2001-1: assume __startrek_read_obstacle_flag_#t~switch1408#1;__startrek_read_obstacle_flag_~or3~1#1 := ~__startrek_round~0; [2025-02-07 21:19:31,212 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2001-1: 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#9(~#_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 21:19:31,212 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L234: SUMMARY for call __startrek_write_nxtway_gs_mode(1); srcloc: null [2025-02-07 21:19:31,212 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: call OSEK_Task_ts1_#t~mem48#1 := read~int#14(OSEK_Task_ts1_~#pwm_r~0#1.base, OSEK_Task_ts1_~#pwm_r~0#1.offset, 1); [2025-02-07 21:19:31,212 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263-1: SUMMARY for call nxt_motor_set_speed(0, OSEK_Task_ts1_#t~mem47#1, 1); srcloc: null [2025-02-07 21:19:31,212 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: assume { :end_inline_balance_init } true; [2025-02-07 21:19:31,218 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L259: 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#11(~ud_theta_ref~0, balance_control_~#tmp~0#1.base, balance_control_~#tmp~0#1.offset, 4);call write~int#11(~convertFLOATToUINT(0.0), balance_control_~#tmp~0#1.base, 4 + balance_control_~#tmp~0#1.offset, 4);call write~int#11(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#11(~convertFLOATToUINT(0.0), balance_control_~#tmp~0#1.base, 12 + balance_control_~#tmp~0#1.offset, 4);call write~int#13(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#13(~ud_psi~0, balance_control_~#tmp_theta_0~0#1.base, 4 + balance_control_~#tmp_theta_0~0#1.offset, 4);call write~int#13(~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#13(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#11(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#13(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#2(~#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#11(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#13(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#2(~#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#11(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#13(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#2(~#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#11(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#13(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#2(~#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#12((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#14((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 21:19:31,218 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L259-1: SUMMARY for call OSEK_Task_ts1_#t~ret46#1 := ecrobot_get_gyro_sensor(3); srcloc: null [2025-02-07 21:19:31,218 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L251: 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 21:19:31,218 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L247-1: 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 21:19:31,218 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L247-1: assume !(0 != OSEK_Task_ts1_~tmp___2~0#1 % 256); [2025-02-07 21:19:31,219 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L243: 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 21:19:31,219 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L82: 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#12(OSEK_Task_ts1_~#pwm_l~0#1.base, OSEK_Task_ts1_~#pwm_l~0#1.offset, 1); [2025-02-07 21:19:31,219 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L264: 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 21:19:31,219 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L264-1: SUMMARY for call nxt_motor_set_speed(1, OSEK_Task_ts1_#t~mem48#1, 1); srcloc: null [2025-02-07 21:19:31,219 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L231: SUMMARY for call nxt_motor_set_count(0, 0); srcloc: null [2025-02-07 21:19:31,219 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1986: __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 21:19:31,219 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1986-1: SUMMARY for call __startrek_read_obstacle_flag_#t~ret1409#1 := __startrek_cs_t0(); srcloc: null [2025-02-07 21:19:31,219 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L256: 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 21:19:31,219 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L256-1: 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 21:19:31,219 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L248: 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#1(~#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#1(~#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 21:19:31,219 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L244: SUMMARY for call __startrek_write_nxtway_gs_mode(2); srcloc: null [2025-02-07 21:19:31,219 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1995: __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 21:19:31,219 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1995-1: SUMMARY for call __startrek_read_obstacle_flag_#t~ret1410#1 := __startrek_cs_t1(); srcloc: null [2025-02-07 21:19:31,219 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L265: 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 21:19:31,219 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L232: SUMMARY for call nxt_motor_set_count(1, 0); srcloc: null [2025-02-07 21:19:31,219 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L257: 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 21:19:31,219 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L257-1: SUMMARY for call OSEK_Task_ts1_#t~ret44#1 := nxt_motor_get_count(1); srcloc: null [2025-02-07 21:19:31,220 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1983-1: assume __startrek_read_obstacle_flag_#t~switch1408#1;__startrek_read_obstacle_flag_~or3~1#1 := ~__startrek_round~0; [2025-02-07 21:19:31,220 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1983-1: 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 21:19:31,221 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2004: __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 21:19:31,221 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2004-1: SUMMARY for call __startrek_read_obstacle_flag_#t~ret1411#1 := __startrek_cs_t2(); srcloc: null [2025-02-07 21:19:31,221 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L208: 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 21:19:31,221 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L233: ~cal_start_time~0 := OSEK_Task_ts1_#t~ret36#1; [2025-02-07 21:19:31,221 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L233-1: SUMMARY for call OSEK_Task_ts1_#t~ret36#1 := ecrobot_get_systick_ms(); srcloc: null [2025-02-07 21:19:31,221 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1992-1: assume __startrek_read_obstacle_flag_#t~switch1408#1;__startrek_read_obstacle_flag_~or3~1#1 := ~__startrek_round~0; [2025-02-07 21:19:31,221 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1992-1: 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 21:19:31,221 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L258: 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 21:19:31,238 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L296: SUMMARY for call __startrek_write_obstacle_flag(1); srcloc: null [2025-02-07 21:19:31,238 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L295: 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 21:19:31,238 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L295: 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 21:19:31,239 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L294: 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 21:19:37,375 INFO L? ?]: Removed 243 outVars from TransFormulas that were not future-live. [2025-02-07 21:19:37,375 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 21:19:37,429 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 21:19:37,429 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 21:19:37,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:19:37 BoogieIcfgContainer [2025-02-07 21:19:37,429 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 21:19:37,436 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 21:19:37,436 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 21:19:37,440 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 21:19:37,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 09:19:28" (1/3) ... [2025-02-07 21:19:37,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3632e4c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:19:37, skipping insertion in model container [2025-02-07 21:19:37,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:19:29" (2/3) ... [2025-02-07 21:19:37,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3632e4c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:19:37, skipping insertion in model container [2025-02-07 21:19:37,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:19:37" (3/3) ... [2025-02-07 21:19:37,442 INFO L128 eAbstractionObserver]: Analyzing ICFG rekh_nxt.2.M4-1.c [2025-02-07 21:19:37,456 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 21:19:37,461 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rekh_nxt.2.M4-1.c that has 18 procedures, 1492 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-07 21:19:37,562 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 21:19:37,574 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;@19bda12c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 21:19:37,574 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 21:19:37,586 INFO L276 IsEmpty]: Start isEmpty. Operand has 1477 states, 799 states have (on average 1.2715894868585733) internal successors, (1016), 934 states have internal predecessors, (1016), 623 states have call successors, (623), 14 states have call predecessors, (623), 14 states have return successors, (623), 526 states have call predecessors, (623), 623 states have call successors, (623) [2025-02-07 21:19:37,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1303 [2025-02-07 21:19:37,649 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 21:19:37,650 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 21:19:37,651 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 21:19:37,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 21:19:37,656 INFO L85 PathProgramCache]: Analyzing trace with hash 2113051324, now seen corresponding path program 1 times [2025-02-07 21:19:37,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 21:19:37,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515241357] [2025-02-07 21:19:37,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 21:19:37,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 21:19:38,304 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1302 statements into 1 equivalence classes. [2025-02-07 21:19:38,482 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1302 of 1302 statements. [2025-02-07 21:19:38,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 21:19:38,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 21:19:39,561 INFO L134 CoverageAnalysis]: Checked inductivity of 86944 backedges. 0 proven. 416 refuted. 0 times theorem prover too weak. 86528 trivial. 0 not checked. [2025-02-07 21:19:39,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 21:19:39,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515241357] [2025-02-07 21:19:39,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515241357] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-07 21:19:39,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711636499] [2025-02-07 21:19:39,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 21:19:39,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-07 21:19:39,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 21:19:39,567 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 21:19:39,570 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 21:19:40,542 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1302 statements into 1 equivalence classes. [2025-02-07 21:19:41,013 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1302 of 1302 statements. [2025-02-07 21:19:41,014 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 21:19:41,014 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 21:19:41,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 3989 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-07 21:19:41,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 21:19:41,156 INFO L134 CoverageAnalysis]: Checked inductivity of 86944 backedges. 416 proven. 0 refuted. 0 times theorem prover too weak. 86528 trivial. 0 not checked. [2025-02-07 21:19:41,156 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-07 21:19:41,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711636499] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 21:19:41,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-07 21:19:41,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-07 21:19:41,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943913566] [2025-02-07 21:19:41,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 21:19:41,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-07 21:19:41,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 21:19:41,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-07 21:19:41,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-07 21:19:41,196 INFO L87 Difference]: Start difference. First operand has 1477 states, 799 states have (on average 1.2715894868585733) internal successors, (1016), 934 states have internal predecessors, (1016), 623 states have call successors, (623), 14 states have call predecessors, (623), 14 states have return successors, (623), 526 states have call predecessors, (623), 623 states have call successors, (623) Second operand has 2 states, 2 states have (on average 128.0) internal successors, (256), 2 states have internal predecessors, (256), 2 states have call successors, (213), 2 states have call predecessors, (213), 1 states have return successors, (211), 1 states have call predecessors, (211), 2 states have call successors, (211) [2025-02-07 21:19:41,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 21:19:41,395 INFO L93 Difference]: Finished difference Result 2944 states and 5101 transitions. [2025-02-07 21:19:41,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-07 21:19:41,399 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 128.0) internal successors, (256), 2 states have internal predecessors, (256), 2 states have call successors, (213), 2 states have call predecessors, (213), 1 states have return successors, (211), 1 states have call predecessors, (211), 2 states have call successors, (211) Word has length 1302 [2025-02-07 21:19:41,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 21:19:41,423 INFO L225 Difference]: With dead ends: 2944 [2025-02-07 21:19:41,423 INFO L226 Difference]: Without dead ends: 806 [2025-02-07 21:19:41,452 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1303 GetRequests, 1303 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 21:19:41,455 INFO L435 NwaCegarLoop]: 2257 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, 2257 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 21:19:41,458 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2257 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-07 21:19:41,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2025-02-07 21:19:41,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 806. [2025-02-07 21:19:41,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 806 states, 486 states have (on average 1.0308641975308641) internal successors, (501), 487 states have internal predecessors, (501), 311 states have call successors, (311), 8 states have call predecessors, (311), 8 states have return successors, (310), 310 states have call predecessors, (310), 310 states have call successors, (310) [2025-02-07 21:19:41,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1122 transitions. [2025-02-07 21:19:41,759 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1122 transitions. Word has length 1302 [2025-02-07 21:19:41,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 21:19:41,760 INFO L471 AbstractCegarLoop]: Abstraction has 806 states and 1122 transitions. [2025-02-07 21:19:41,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 128.0) internal successors, (256), 2 states have internal predecessors, (256), 2 states have call successors, (213), 2 states have call predecessors, (213), 1 states have return successors, (211), 1 states have call predecessors, (211), 2 states have call successors, (211) [2025-02-07 21:19:41,761 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1122 transitions. [2025-02-07 21:19:41,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1303 [2025-02-07 21:19:41,805 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 21:19:41,805 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 21:19:41,821 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 21:19:42,006 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 21:19:42,007 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 21:19:42,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 21:19:42,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1999259007, now seen corresponding path program 1 times [2025-02-07 21:19:42,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 21:19:42,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876140842] [2025-02-07 21:19:42,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 21:19:42,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 21:19:42,523 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1302 statements into 1 equivalence classes. [2025-02-07 21:19:42,862 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1302 of 1302 statements. [2025-02-07 21:19:42,862 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 21:19:42,863 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 21:19:44,027 INFO L134 CoverageAnalysis]: Checked inductivity of 86944 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86944 trivial. 0 not checked. [2025-02-07 21:19:44,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 21:19:44,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876140842] [2025-02-07 21:19:44,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876140842] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 21:19:44,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 21:19:44,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-07 21:19:44,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571637636] [2025-02-07 21:19:44,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 21:19:44,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-07 21:19:44,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 21:19:44,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-07 21:19:44,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-07 21:19:44,034 INFO L87 Difference]: Start difference. First operand 806 states and 1122 transitions. Second operand has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 2 states have call successors, (213), 2 states have call predecessors, (213), 2 states have return successors, (211), 2 states have call predecessors, (211), 2 states have call successors, (211) [2025-02-07 21:19:44,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 21:19:44,153 INFO L93 Difference]: Finished difference Result 1293 states and 1845 transitions. [2025-02-07 21:19:44,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-07 21:19:44,154 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 2 states have call successors, (213), 2 states have call predecessors, (213), 2 states have return successors, (211), 2 states have call predecessors, (211), 2 states have call successors, (211) Word has length 1302 [2025-02-07 21:19:44,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 21:19:44,163 INFO L225 Difference]: With dead ends: 1293 [2025-02-07 21:19:44,163 INFO L226 Difference]: Without dead ends: 0 [2025-02-07 21:19:44,170 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 21:19:44,171 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 21:19:44,171 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 21:19:44,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-07 21:19:44,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-07 21:19:44,173 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 21:19:44,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-07 21:19:44,174 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1302 [2025-02-07 21:19:44,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 21:19:44,175 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-07 21:19:44,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 2 states have call successors, (213), 2 states have call predecessors, (213), 2 states have return successors, (211), 2 states have call predecessors, (211), 2 states have call successors, (211) [2025-02-07 21:19:44,175 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-07 21:19:44,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 21:19:44,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 21:19:44,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-07 21:19:44,181 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-07 21:19:44,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-07 21:19:44,825 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 21:19:44,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 09:19:44 BoogieIcfgContainer [2025-02-07 21:19:44,840 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 21:19:44,840 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 21:19:44,841 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 21:19:44,841 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 21:19:44,842 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:19:37" (3/4) ... [2025-02-07 21:19:44,843 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 21:19:44,849 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __startrek_hyperperiod [2025-02-07 21:19:44,849 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure nxt_motor_set_count [2025-02-07 21:19:44,849 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __startrek_entry_pt_OSEK_Task_Background [2025-02-07 21:19:44,851 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __startrek_cs_t2 [2025-02-07 21:19:44,851 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __startrek_write_nxtway_gs_mode [2025-02-07 21:19:44,851 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-02-07 21:19:44,851 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __startrek_cs_t0 [2025-02-07 21:19:44,851 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ecrobot_get_gyro_sensor [2025-02-07 21:19:44,851 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __startrek_cs_t1 [2025-02-07 21:19:44,851 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-02-07 21:19:44,851 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-02-07 21:19:44,851 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assert [2025-02-07 21:19:44,851 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure nxt_motor_set_speed [2025-02-07 21:19:44,851 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __startrek_write_obstacle_flag [2025-02-07 21:19:44,852 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ecrobot_get_systick_ms [2025-02-07 21:19:44,852 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure nxt_motor_get_count [2025-02-07 21:19:44,852 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __startrek_read_nxtway_gs_mode [2025-02-07 21:19:44,931 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2025-02-07 21:19:44,939 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2025-02-07 21:19:44,947 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-07 21:19:44,953 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 21:19:45,289 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 21:19:45,290 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 21:19:45,290 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 21:19:45,292 INFO L158 Benchmark]: Toolchain (without parser) took 16926.64ms. Allocated memory was 142.6MB in the beginning and 755.0MB in the end (delta: 612.4MB). Free memory was 109.7MB in the beginning and 481.4MB in the end (delta: -371.8MB). Peak memory consumption was 241.8MB. Max. memory is 16.1GB. [2025-02-07 21:19:45,293 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 201.3MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 21:19:45,293 INFO L158 Benchmark]: CACSL2BoogieTranslator took 854.40ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 39.4MB in the end (delta: 69.9MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-02-07 21:19:45,294 INFO L158 Benchmark]: Boogie Procedure Inliner took 244.94ms. Allocated memory is still 142.6MB. Free memory was 39.4MB in the beginning and 63.9MB in the end (delta: -24.6MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2025-02-07 21:19:45,295 INFO L158 Benchmark]: Boogie Preprocessor took 355.99ms. Allocated memory is still 142.6MB. Free memory was 63.9MB in the beginning and 77.1MB in the end (delta: -13.2MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2025-02-07 21:19:45,295 INFO L158 Benchmark]: IcfgBuilder took 7604.56ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 77.1MB in the beginning and 99.5MB in the end (delta: -22.4MB). Peak memory consumption was 101.0MB. Max. memory is 16.1GB. [2025-02-07 21:19:45,296 INFO L158 Benchmark]: TraceAbstraction took 7403.91ms. Allocated memory was 201.3MB in the beginning and 755.0MB in the end (delta: 553.6MB). Free memory was 97.9MB in the beginning and 548.3MB in the end (delta: -450.4MB). Peak memory consumption was 102.2MB. Max. memory is 16.1GB. [2025-02-07 21:19:45,296 INFO L158 Benchmark]: Witness Printer took 450.16ms. Allocated memory is still 755.0MB. Free memory was 548.3MB in the beginning and 481.4MB in the end (delta: 66.9MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-02-07 21:19:45,297 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 201.3MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 854.40ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 39.4MB in the end (delta: 69.9MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 244.94ms. Allocated memory is still 142.6MB. Free memory was 39.4MB in the beginning and 63.9MB in the end (delta: -24.6MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 355.99ms. Allocated memory is still 142.6MB. Free memory was 63.9MB in the beginning and 77.1MB in the end (delta: -13.2MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * IcfgBuilder took 7604.56ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 77.1MB in the beginning and 99.5MB in the end (delta: -22.4MB). Peak memory consumption was 101.0MB. Max. memory is 16.1GB. * TraceAbstraction took 7403.91ms. Allocated memory was 201.3MB in the beginning and 755.0MB in the end (delta: 553.6MB). Free memory was 97.9MB in the beginning and 548.3MB in the end (delta: -450.4MB). Peak memory consumption was 102.2MB. Max. memory is 16.1GB. * Witness Printer took 450.16ms. Allocated memory is still 755.0MB. Free memory was 548.3MB in the beginning and 481.4MB in the end (delta: 66.9MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 42]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.ok2.i","-S") [42] * 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: 43]: 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 18 procedures, 1492 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.7s, OverallIterations: 2, TraceHistogramMax: 209, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 3698 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, 2980 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1306 GetRequests, 1305 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1477occurred 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: 0.3s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 3906 NumberOfCodeBlocks, 3906 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 3903 ConstructedInterpolants, 0 QuantifiedInterpolants, 3903 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3989 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 260416/260832 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 21:19:45,356 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