/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.1.M4-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 08:20:51,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 08:20:51,855 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-25 08:20:51,858 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 08:20:51,859 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 08:20:51,873 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 08:20:51,874 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 08:20:51,874 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 08:20:51,874 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 08:20:51,875 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 08:20:51,875 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 08:20:51,875 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 08:20:51,875 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 08:20:51,876 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 08:20:51,876 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 08:20:51,876 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 08:20:51,877 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 08:20:51,877 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 08:20:51,877 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 08:20:51,877 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 08:20:51,878 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 08:20:51,881 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 08:20:51,881 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 08:20:51,881 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 08:20:51,881 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 08:20:51,882 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 08:20:51,882 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 08:20:51,882 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 08:20:51,882 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 08:20:51,883 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 08:20:51,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 08:20:51,883 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 08:20:51,883 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 08:20:51,883 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 08:20:51,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 08:20:51,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 08:20:51,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 08:20:51,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 08:20:51,885 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 08:20:51,885 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 08:20:51,885 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 08:20:51,889 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 08:20:51,889 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 08:20:51,889 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 08:20:51,889 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 08:20:51,889 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 08:20:51,890 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 08:20:52,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 08:20:52,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 08:20:52,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 08:20:52,135 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 08:20:52,136 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 08:20:52,138 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.1.M4-2.c [2023-12-25 08:20:53,238 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 08:20:53,614 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 08:20:53,614 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.1.M4-2.c [2023-12-25 08:20:53,666 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40cac847d/5a69488011e24c35994d7247c4d4d099/FLAG79dad1cf3 [2023-12-25 08:20:53,678 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40cac847d/5a69488011e24c35994d7247c4d4d099 [2023-12-25 08:20:53,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 08:20:53,681 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 08:20:53,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 08:20:53,682 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 08:20:53,686 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 08:20:53,686 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 08:20:53" (1/1) ... [2023-12-25 08:20:53,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4db81eaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:20:53, skipping insertion in model container [2023-12-25 08:20:53,687 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 08:20:53" (1/1) ... [2023-12-25 08:20:53,798 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 08:20:54,002 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.1.M4-2.c[1674,1687] [2023-12-25 08:20:54,855 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 08:20:54,869 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 08:20:54,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.bug1.i","-S") [42] [2023-12-25 08:20:54,879 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.1.M4-2.c[1674,1687] [2023-12-25 08:20:55,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 08:20:55,528 INFO L206 MainTranslator]: Completed translation [2023-12-25 08:20:55,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:20:55 WrapperNode [2023-12-25 08:20:55,530 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 08:20:55,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 08:20:55,532 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 08:20:55,532 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 08:20:55,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:20:55" (1/1) ... [2023-12-25 08:20:55,892 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:20:55" (1/1) ... [2023-12-25 08:20:56,801 INFO L138 Inliner]: procedures = 60, calls = 17866, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 39756 [2023-12-25 08:20:56,801 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 08:20:56,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 08:20:56,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 08:20:56,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 08:20:56,811 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:20:55" (1/1) ... [2023-12-25 08:20:56,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:20:55" (1/1) ... [2023-12-25 08:20:57,183 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:20:55" (1/1) ... [2023-12-25 08:20:57,349 INFO L175 MemorySlicer]: Split 13700 memory accesses to 17 slices as follows [2, 2689, 3717, 2400, 1676, 1252, 852, 219, 322, 218, 322, 8, 4, 7, 2, 2, 8]. 27 percent of accesses are in the largest equivalence class. The 28 initializations are split as follows [2, 0, 0, 8, 8, 4, 4, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0]. The 667 writes are split as follows [0, 97, 97, 8, 8, 4, 4, 110, 108, 110, 108, 4, 0, 3, 1, 1, 4]. [2023-12-25 08:20:57,350 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:20:55" (1/1) ... [2023-12-25 08:20:57,350 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:20:55" (1/1) ... [2023-12-25 08:20:57,964 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:20:55" (1/1) ... [2023-12-25 08:20:58,035 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:20:55" (1/1) ... [2023-12-25 08:20:58,092 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:20:55" (1/1) ... [2023-12-25 08:20:58,157 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:20:55" (1/1) ... [2023-12-25 08:20:58,312 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 08:20:58,314 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 08:20:58,314 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 08:20:58,314 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 08:20:58,315 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:20:55" (1/1) ... [2023-12-25 08:20:58,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 08:20:58,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 08:20:58,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-25 08:20:58,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-25 08:20:58,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 08:20:58,373 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-12-25 08:20:58,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-12-25 08:20:58,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-12-25 08:20:58,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-12-25 08:20:58,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-12-25 08:20:58,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-12-25 08:20:58,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-12-25 08:20:58,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-12-25 08:20:58,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2023-12-25 08:20:58,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2023-12-25 08:20:58,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2023-12-25 08:20:58,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2023-12-25 08:20:58,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2023-12-25 08:20:58,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2023-12-25 08:20:58,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2023-12-25 08:20:58,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2023-12-25 08:20:58,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#14 [2023-12-25 08:20:58,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#15 [2023-12-25 08:20:58,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#16 [2023-12-25 08:20:58,374 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-12-25 08:20:58,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-12-25 08:20:58,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-25 08:20:58,374 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-12-25 08:20:58,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-12-25 08:20:58,374 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-12-25 08:20:58,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-12-25 08:20:58,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-12-25 08:20:58,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-12-25 08:20:58,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-12-25 08:20:58,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-12-25 08:20:58,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-12-25 08:20:58,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-12-25 08:20:58,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-12-25 08:20:58,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2023-12-25 08:20:58,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2023-12-25 08:20:58,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2023-12-25 08:20:58,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2023-12-25 08:20:58,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2023-12-25 08:20:58,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2023-12-25 08:20:58,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2023-12-25 08:20:58,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2023-12-25 08:20:58,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2023-12-25 08:20:58,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2023-12-25 08:20:58,376 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-12-25 08:20:58,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-12-25 08:20:58,376 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-12-25 08:20:58,376 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-12-25 08:20:58,376 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-12-25 08:20:58,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-12-25 08:20:58,376 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-12-25 08:20:58,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-12-25 08:20:58,376 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-12-25 08:20:58,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-12-25 08:20:58,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-12-25 08:20:58,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-12-25 08:20:58,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-12-25 08:20:58,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-12-25 08:20:58,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-12-25 08:20:58,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-12-25 08:20:58,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2023-12-25 08:20:58,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2023-12-25 08:20:58,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2023-12-25 08:20:58,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2023-12-25 08:20:58,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2023-12-25 08:20:58,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2023-12-25 08:20:58,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2023-12-25 08:20:58,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2023-12-25 08:20:58,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14 [2023-12-25 08:20:58,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#15 [2023-12-25 08:20:58,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#16 [2023-12-25 08:20:58,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-25 08:20:58,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-12-25 08:20:58,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-12-25 08:20:58,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-12-25 08:20:58,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-12-25 08:20:58,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-12-25 08:20:58,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-12-25 08:20:58,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-12-25 08:20:58,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2023-12-25 08:20:58,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2023-12-25 08:20:58,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2023-12-25 08:20:58,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2023-12-25 08:20:58,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2023-12-25 08:20:58,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2023-12-25 08:20:58,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2023-12-25 08:20:58,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2023-12-25 08:20:58,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2023-12-25 08:20:58,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2023-12-25 08:20:58,378 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2023-12-25 08:20:58,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2023-12-25 08:20:58,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 08:20:58,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-12-25 08:20:58,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-12-25 08:20:58,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-12-25 08:20:58,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-12-25 08:20:58,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-12-25 08:20:58,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-12-25 08:20:58,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-12-25 08:20:58,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2023-12-25 08:20:58,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2023-12-25 08:20:58,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2023-12-25 08:20:58,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2023-12-25 08:20:58,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2023-12-25 08:20:58,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2023-12-25 08:20:58,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2023-12-25 08:20:58,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2023-12-25 08:20:58,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2023-12-25 08:20:58,380 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-12-25 08:20:58,380 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-12-25 08:20:58,380 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-25 08:20:58,380 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-25 08:20:58,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 08:20:58,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 08:20:58,380 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-12-25 08:20:58,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-12-25 08:20:58,380 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-12-25 08:20:58,380 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-12-25 08:20:58,380 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-12-25 08:20:58,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-12-25 08:21:00,031 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 08:21:00,034 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 08:24:05,445 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 08:24:06,372 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 08:24:06,372 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-25 08:24:06,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 08:24:06 BoogieIcfgContainer [2023-12-25 08:24:06,373 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 08:24:06,375 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 08:24:06,375 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 08:24:06,378 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 08:24:06,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 08:20:53" (1/3) ... [2023-12-25 08:24:06,379 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67735076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 08:24:06, skipping insertion in model container [2023-12-25 08:24:06,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:20:55" (2/3) ... [2023-12-25 08:24:06,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67735076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 08:24:06, skipping insertion in model container [2023-12-25 08:24:06,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 08:24:06" (3/3) ... [2023-12-25 08:24:06,381 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_nxt.1.M4-2.c [2023-12-25 08:24:06,392 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 08:24:06,393 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 08:24:06,539 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 08:24:06,544 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@337320c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 08:24:06,544 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 08:24:06,578 INFO L276 IsEmpty]: Start isEmpty. Operand has 11980 states, 7845 states have (on average 1.3209687699171446) internal successors, (10363), 7958 states have internal predecessors, (10363), 4118 states have call successors, (4118), 15 states have call predecessors, (4118), 15 states have return successors, (4118), 4116 states have call predecessors, (4118), 4118 states have call successors, (4118) [2023-12-25 08:24:07,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4611 [2023-12-25 08:24:07,041 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 08:24:07,044 INFO L195 NwaCegarLoop]: trace histogram [337, 337, 337, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2023-12-25 08:24:07,045 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 08:24:07,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 08:24:07,052 INFO L85 PathProgramCache]: Analyzing trace with hash 631418075, now seen corresponding path program 1 times [2023-12-25 08:24:07,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 08:24:07,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [255506414] [2023-12-25 08:24:07,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:24:07,088 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:24:07,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 08:24:07,092 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 08:24:07,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-25 08:24:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:24:24,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 7820 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 08:24:24,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:24:24,483 INFO L134 CoverageAnalysis]: Checked inductivity of 226464 backedges. 36284 proven. 0 refuted. 0 times theorem prover too weak. 190180 trivial. 0 not checked. [2023-12-25 08:24:24,484 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 08:24:24,484 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 08:24:24,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [255506414] [2023-12-25 08:24:24,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [255506414] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 08:24:24,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 08:24:24,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 08:24:24,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470535918] [2023-12-25 08:24:24,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 08:24:24,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 08:24:24,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 08:24:24,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 08:24:24,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 08:24:24,574 INFO L87 Difference]: Start difference. First operand has 11980 states, 7845 states have (on average 1.3209687699171446) internal successors, (10363), 7958 states have internal predecessors, (10363), 4118 states have call successors, (4118), 15 states have call predecessors, (4118), 15 states have return successors, (4118), 4116 states have call predecessors, (4118), 4118 states have call successors, (4118) Second operand has 2 states, 2 states have (on average 1466.0) internal successors, (2932), 2 states have internal predecessors, (2932), 2 states have call successors, (337), 2 states have call predecessors, (337), 2 states have return successors, (337), 2 states have call predecessors, (337), 2 states have call successors, (337) [2023-12-25 08:24:29,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:24:33,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:24:33,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 08:24:33,995 INFO L93 Difference]: Finished difference Result 23958 states and 41297 transitions. [2023-12-25 08:24:33,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 08:24:33,999 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 1466.0) internal successors, (2932), 2 states have internal predecessors, (2932), 2 states have call successors, (337), 2 states have call predecessors, (337), 2 states have return successors, (337), 2 states have call predecessors, (337), 2 states have call successors, (337) Word has length 4610 [2023-12-25 08:24:34,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 08:24:34,097 INFO L225 Difference]: With dead ends: 23958 [2023-12-25 08:24:34,098 INFO L226 Difference]: Without dead ends: 11977 [2023-12-25 08:24:34,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4609 GetRequests, 4609 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 08:24:34,181 INFO L413 NwaCegarLoop]: 18571 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18571 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-12-25 08:24:34,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18571 Invalid, 25 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2023-12-25 08:24:34,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11977 states. [2023-12-25 08:24:42,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11977 to 11977. [2023-12-25 08:24:42,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11977 states, 7843 states have (on average 1.3204131072293765) internal successors, (10356), 7955 states have internal predecessors, (10356), 4118 states have call successors, (4118), 15 states have call predecessors, (4118), 15 states have return successors, (4118), 4116 states have call predecessors, (4118), 4118 states have call successors, (4118) [2023-12-25 08:24:42,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11977 states to 11977 states and 18592 transitions. [2023-12-25 08:24:42,108 INFO L78 Accepts]: Start accepts. Automaton has 11977 states and 18592 transitions. Word has length 4610 [2023-12-25 08:24:42,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 08:24:42,110 INFO L495 AbstractCegarLoop]: Abstraction has 11977 states and 18592 transitions. [2023-12-25 08:24:42,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1466.0) internal successors, (2932), 2 states have internal predecessors, (2932), 2 states have call successors, (337), 2 states have call predecessors, (337), 2 states have return successors, (337), 2 states have call predecessors, (337), 2 states have call successors, (337) [2023-12-25 08:24:42,112 INFO L276 IsEmpty]: Start isEmpty. Operand 11977 states and 18592 transitions. [2023-12-25 08:24:42,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4611 [2023-12-25 08:24:42,396 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 08:24:42,398 INFO L195 NwaCegarLoop]: trace histogram [337, 337, 337, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2023-12-25 08:24:42,469 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-25 08:24:42,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:24:42,617 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 08:24:42,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 08:24:42,618 INFO L85 PathProgramCache]: Analyzing trace with hash -281591811, now seen corresponding path program 1 times [2023-12-25 08:24:42,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 08:24:42,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1318984989] [2023-12-25 08:24:42,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:24:42,632 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:24:42,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 08:24:42,633 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 08:24:42,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-25 08:25:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:25:01,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 7820 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 08:25:01,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:25:12,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 945 treesize of output 486 [2023-12-25 08:25:20,750 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-25 08:25:20,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 40 select indices, 40 select index equivalence classes, 0 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 780 case distinctions, treesize of input 496 treesize of output 250 [2023-12-25 08:27:58,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-25 08:28:02,005 INFO L134 CoverageAnalysis]: Checked inductivity of 226464 backedges. 115445 proven. 669 refuted. 0 times theorem prover too weak. 110350 trivial. 0 not checked. [2023-12-25 08:28:02,005 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 08:29:13,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-12-25 08:29:17,216 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 08:29:17,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1318984989] [2023-12-25 08:29:17,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1318984989] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-25 08:29:17,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1845115405] [2023-12-25 08:29:17,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:29:17,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-25 08:29:17,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-25 08:29:17,263 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-25 08:29:17,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-25 08:29:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:29:43,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 7820 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-25 08:29:44,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:29:46,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2023-12-25 08:33:25,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-25 08:33:25,631 INFO L134 CoverageAnalysis]: Checked inductivity of 226464 backedges. 106011 proven. 2127 refuted. 0 times theorem prover too weak. 118326 trivial. 0 not checked. [2023-12-25 08:33:25,631 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 08:34:34,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2023-12-25 08:34:35,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1845115405] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-25 08:34:35,157 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 08:34:35,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 12 [2023-12-25 08:34:35,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010286322] [2023-12-25 08:34:35,159 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 08:34:35,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-25 08:34:35,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 08:34:35,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-25 08:34:35,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=503, Unknown=0, NotChecked=0, Total=600 [2023-12-25 08:34:35,175 INFO L87 Difference]: Start difference. First operand 11977 states and 18592 transitions. Second operand has 13 states, 10 states have (on average 565.2) internal successors, (5652), 12 states have internal predecessors, (5652), 9 states have call successors, (459), 6 states have call predecessors, (459), 7 states have return successors, (459), 6 states have call predecessors, (459), 9 states have call successors, (459) Received shutdown request... [2023-12-25 08:35:07,141 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-25 08:35:07,141 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-25 08:35:07,141 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-25 08:35:08,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-25 08:35:08,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18266 GetRequests, 18230 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 39.1s TimeCoverageRelationStatistics Valid=301, Invalid=959, Unknown=0, NotChecked=0, Total=1260 [2023-12-25 08:35:08,152 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 29 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-12-25 08:35:08,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 28 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-12-25 08:35:08,154 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 08:35:08,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-25 08:35:08,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-25 08:35:08,342 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-25 08:35:08,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 08:35:08,355 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (11977states) and FLOYD_HOARE automaton (currently 13 states, 13 states before enhancement),while PredicateUnifier was unifying predicates,while executing Executor. [2023-12-25 08:35:08,358 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-25 08:35:08,360 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 08:35:08,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 08:35:08 BoogieIcfgContainer [2023-12-25 08:35:08,361 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 08:35:08,362 INFO L158 Benchmark]: Toolchain (without parser) took 854680.84ms. Allocated memory was 282.1MB in the beginning and 3.5GB in the end (delta: 3.2GB). Free memory was 204.8MB in the beginning and 2.8GB in the end (delta: -2.6GB). Peak memory consumption was 2.6GB. Max. memory is 8.0GB. [2023-12-25 08:35:08,362 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 174.1MB. Free memory was 125.7MB in the beginning and 125.5MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 08:35:08,362 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1848.49ms. Allocated memory was 282.1MB in the beginning and 422.6MB in the end (delta: 140.5MB). Free memory was 204.8MB in the beginning and 264.6MB in the end (delta: -59.8MB). Peak memory consumption was 161.5MB. Max. memory is 8.0GB. [2023-12-25 08:35:08,363 INFO L158 Benchmark]: Boogie Procedure Inliner took 1269.40ms. Allocated memory was 422.6MB in the beginning and 845.2MB in the end (delta: 422.6MB). Free memory was 264.6MB in the beginning and 605.9MB in the end (delta: -341.3MB). Peak memory consumption was 145.8MB. Max. memory is 8.0GB. [2023-12-25 08:35:08,363 INFO L158 Benchmark]: Boogie Preprocessor took 1510.94ms. Allocated memory was 845.2MB in the beginning and 1.9GB in the end (delta: 1.1GB). Free memory was 605.9MB in the beginning and 1.5GB in the end (delta: -937.4MB). Peak memory consumption was 136.8MB. Max. memory is 8.0GB. [2023-12-25 08:35:08,363 INFO L158 Benchmark]: RCFGBuilder took 188058.76ms. Allocated memory was 1.9GB in the beginning and 3.5GB in the end (delta: 1.6GB). Free memory was 1.5GB in the beginning and 3.0GB in the end (delta: -1.4GB). Peak memory consumption was 516.9MB. Max. memory is 8.0GB. [2023-12-25 08:35:08,363 INFO L158 Benchmark]: TraceAbstraction took 661986.15ms. Allocated memory is still 3.5GB. Free memory was 3.0GB in the beginning and 2.8GB in the end (delta: 171.4MB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. [2023-12-25 08:35:08,370 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 174.1MB. Free memory was 125.7MB in the beginning and 125.5MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1848.49ms. Allocated memory was 282.1MB in the beginning and 422.6MB in the end (delta: 140.5MB). Free memory was 204.8MB in the beginning and 264.6MB in the end (delta: -59.8MB). Peak memory consumption was 161.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 1269.40ms. Allocated memory was 422.6MB in the beginning and 845.2MB in the end (delta: 422.6MB). Free memory was 264.6MB in the beginning and 605.9MB in the end (delta: -341.3MB). Peak memory consumption was 145.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 1510.94ms. Allocated memory was 845.2MB in the beginning and 1.9GB in the end (delta: 1.1GB). Free memory was 605.9MB in the beginning and 1.5GB in the end (delta: -937.4MB). Peak memory consumption was 136.8MB. Max. memory is 8.0GB. * RCFGBuilder took 188058.76ms. Allocated memory was 1.9GB in the beginning and 3.5GB in the end (delta: 1.6GB). Free memory was 1.5GB in the beginning and 3.0GB in the end (delta: -1.4GB). Peak memory consumption was 516.9MB. Max. memory is 8.0GB. * TraceAbstraction took 661986.15ms. Allocated memory is still 3.5GB. Free memory was 3.0GB in the beginning and 2.8GB in the end (delta: 171.4MB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. * 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.bug1.i","-S") [42] [2023-12-25 08:35:08,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 * 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 - TimeoutResultAtElement [Line: 43]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 43). Cancelled while NwaCegarLoop was constructing difference of abstraction (11977states) and FLOYD_HOARE automaton (currently 13 states, 13 states before enhancement),while PredicateUnifier was unifying predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 16 procedures, 11980 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 661.9s, OverallIterations: 2, TraceHistogramMax: 337, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.8s, AutomataDifference: 42.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 12.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 18599 SdHoareTripleChecker+Invalid, 11.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 161 IncrementalHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 18581 mSDtfsCounter, 161 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22875 GetRequests, 22839 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 39.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11980occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.9s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 6.7s SsaConstructionTime, 17.0s SatisfiabilityAnalysisTime, 548.3s InterpolantComputationTime, 13830 NumberOfCodeBlocks, 13830 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 13827 ConstructedInterpolants, 3086 QuantifiedInterpolants, 138052 SizeOfPredicates, 23 NumberOfNonLiveVariables, 23460 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 676596/679392 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown