/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.3.M4.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 08:21:23,550 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 08:21:23,626 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 08:21:23,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 08:21:23,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 08:21:23,656 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 08:21:23,656 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 08:21:23,656 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 08:21:23,657 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 08:21:23,660 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 08:21:23,660 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 08:21:23,661 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 08:21:23,661 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 08:21:23,662 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 08:21:23,662 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 08:21:23,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 08:21:23,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 08:21:23,663 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 08:21:23,663 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 08:21:23,663 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 08:21:23,663 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 08:21:23,664 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 08:21:23,664 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 08:21:23,664 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 08:21:23,664 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 08:21:23,664 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 08:21:23,664 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 08:21:23,665 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 08:21:23,665 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 08:21:23,665 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 08:21:23,666 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 08:21:23,666 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 08:21:23,666 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 08:21:23,666 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 08:21:23,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 08:21:23,666 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 08:21:23,667 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 08:21:23,667 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 08:21:23,667 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 08:21:23,667 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 08:21:23,667 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 08:21:23,667 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 08:21:23,667 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 08:21:23,667 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 08:21:23,668 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 08:21:23,668 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 08:21:23,668 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 08:21:23,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 08:21:23,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 08:21:23,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 08:21:23,933 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 08:21:23,937 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 08:21:23,938 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.3.M4.c [2023-12-25 08:21:25,046 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 08:21:25,452 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 08:21:25,452 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.3.M4.c [2023-12-25 08:21:25,500 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ea837ce2/64dfb47d851d448193571fcc37487a56/FLAG072f29b26 [2023-12-25 08:21:25,514 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ea837ce2/64dfb47d851d448193571fcc37487a56 [2023-12-25 08:21:25,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 08:21:25,517 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 08:21:25,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 08:21:25,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 08:21:25,522 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 08:21:25,523 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 08:21:25" (1/1) ... [2023-12-25 08:21:25,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@657b727a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:21:25, skipping insertion in model container [2023-12-25 08:21:25,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 08:21:25" (1/1) ... [2023-12-25 08:21:25,691 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 08:21:25,956 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.3.M4.c[2275,2288] [2023-12-25 08:21:26,867 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 08:21:26,892 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 08:21:26,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.ok3.i","-S") [51] [2023-12-25 08:21:26,918 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.3.M4.c[2275,2288] [2023-12-25 08:21:27,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 08:21:27,543 INFO L206 MainTranslator]: Completed translation [2023-12-25 08:21:27,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:21:27 WrapperNode [2023-12-25 08:21:27,543 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 08:21:27,545 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 08:21:27,545 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 08:21:27,545 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 08:21:27,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:21:27" (1/1) ... [2023-12-25 08:21:27,944 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:21:27" (1/1) ... [2023-12-25 08:21:28,993 INFO L138 Inliner]: procedures = 65, calls = 18852, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 41407 [2023-12-25 08:21:28,993 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 08:21:28,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 08:21:28,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 08:21:28,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 08:21:29,002 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:21:27" (1/1) ... [2023-12-25 08:21:29,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:21:27" (1/1) ... [2023-12-25 08:21:29,304 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:21:27" (1/1) ... [2023-12-25 08:21:29,502 INFO L175 MemorySlicer]: Split 14458 memory accesses to 22 slices as follows [2, 193, 17, 9, 8, 2, 2689, 3717, 2400, 1676, 1252, 852, 218, 7, 322, 218, 322, 218, 322, 4, 8, 2]. 26 percent of accesses are in the largest equivalence class. The 136 initializations are split as follows [2, 96, 8, 4, 0, 0, 0, 0, 8, 8, 4, 4, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0]. The 888 writes are split as follows [0, 1, 1, 1, 4, 1, 97, 97, 8, 8, 4, 4, 110, 3, 108, 110, 108, 110, 108, 0, 4, 1]. [2023-12-25 08:21:29,502 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:21:27" (1/1) ... [2023-12-25 08:21:29,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:21:27" (1/1) ... [2023-12-25 08:21:30,119 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:21:27" (1/1) ... [2023-12-25 08:21:30,194 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:21:27" (1/1) ... [2023-12-25 08:21:30,265 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:21:27" (1/1) ... [2023-12-25 08:21:30,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:21:27" (1/1) ... [2023-12-25 08:21:30,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 08:21:30,504 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 08:21:30,504 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 08:21:30,504 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 08:21:30,505 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:21:27" (1/1) ... [2023-12-25 08:21:30,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 08:21:30,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 08:21:30,528 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 08:21:30,562 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 08:21:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 08:21:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-12-25 08:21:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-12-25 08:21:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-12-25 08:21:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-12-25 08:21:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-12-25 08:21:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-12-25 08:21:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-12-25 08:21:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-12-25 08:21:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2023-12-25 08:21:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2023-12-25 08:21:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2023-12-25 08:21:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2023-12-25 08:21:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2023-12-25 08:21:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2023-12-25 08:21:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2023-12-25 08:21:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2023-12-25 08:21:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#14 [2023-12-25 08:21:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#15 [2023-12-25 08:21:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#16 [2023-12-25 08:21:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#17 [2023-12-25 08:21:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#18 [2023-12-25 08:21:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#19 [2023-12-25 08:21:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#20 [2023-12-25 08:21:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#21 [2023-12-25 08:21:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-12-25 08:21:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-12-25 08:21:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-25 08:21:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-12-25 08:21:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-12-25 08:21:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-12-25 08:21:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-12-25 08:21:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2023-12-25 08:21:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2023-12-25 08:21:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-12-25 08:21:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-12-25 08:21:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-12-25 08:21:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-12-25 08:21:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-12-25 08:21:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-12-25 08:21:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-12-25 08:21:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2023-12-25 08:21:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2023-12-25 08:21:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2023-12-25 08:21:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2023-12-25 08:21:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2023-12-25 08:21:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2023-12-25 08:21:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2023-12-25 08:21:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2023-12-25 08:21:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2023-12-25 08:21:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2023-12-25 08:21:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#17 [2023-12-25 08:21:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#18 [2023-12-25 08:21:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#19 [2023-12-25 08:21:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#20 [2023-12-25 08:21:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#21 [2023-12-25 08:21:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-12-25 08:21:30,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-12-25 08:21:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-12-25 08:21:30,572 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-12-25 08:21:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-12-25 08:21:30,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-12-25 08:21:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-12-25 08:21:30,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-12-25 08:21:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-12-25 08:21:30,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-12-25 08:21:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-12-25 08:21:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-12-25 08:21:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-12-25 08:21:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-12-25 08:21:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-12-25 08:21:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-12-25 08:21:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2023-12-25 08:21:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2023-12-25 08:21:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2023-12-25 08:21:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2023-12-25 08:21:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2023-12-25 08:21:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2023-12-25 08:21:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2023-12-25 08:21:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2023-12-25 08:21:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14 [2023-12-25 08:21:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#15 [2023-12-25 08:21:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#16 [2023-12-25 08:21:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#17 [2023-12-25 08:21:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#18 [2023-12-25 08:21:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#19 [2023-12-25 08:21:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#20 [2023-12-25 08:21:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#21 [2023-12-25 08:21:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-25 08:21:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-12-25 08:21:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-12-25 08:21:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-12-25 08:21:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-12-25 08:21:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-12-25 08:21:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-12-25 08:21:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-12-25 08:21:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2023-12-25 08:21:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2023-12-25 08:21:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2023-12-25 08:21:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2023-12-25 08:21:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2023-12-25 08:21:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2023-12-25 08:21:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2023-12-25 08:21:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2023-12-25 08:21:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2023-12-25 08:21:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2023-12-25 08:21:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#17 [2023-12-25 08:21:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#18 [2023-12-25 08:21:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#19 [2023-12-25 08:21:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#20 [2023-12-25 08:21:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#21 [2023-12-25 08:21:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2023-12-25 08:21:30,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2023-12-25 08:21:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 08:21:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-12-25 08:21:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-12-25 08:21:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-12-25 08:21:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-12-25 08:21:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-12-25 08:21:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-12-25 08:21:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-12-25 08:21:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2023-12-25 08:21:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2023-12-25 08:21:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2023-12-25 08:21:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2023-12-25 08:21:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2023-12-25 08:21:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2023-12-25 08:21:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2023-12-25 08:21:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2023-12-25 08:21:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2023-12-25 08:21:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#17 [2023-12-25 08:21:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#18 [2023-12-25 08:21:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#19 [2023-12-25 08:21:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#20 [2023-12-25 08:21:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#21 [2023-12-25 08:21:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-12-25 08:21:30,577 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-12-25 08:21:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-12-25 08:21:30,578 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-12-25 08:21:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2023-12-25 08:21:30,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2023-12-25 08:21:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-25 08:21:30,578 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-25 08:21:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 08:21:30,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 08:21:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-12-25 08:21:30,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-12-25 08:21:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-12-25 08:21:30,578 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-12-25 08:21:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-12-25 08:21:30,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-12-25 08:21:32,157 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 08:21:32,159 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 08:24:39,718 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 08:24:40,467 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 08:24:40,467 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-25 08:24:40,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 08:24:40 BoogieIcfgContainer [2023-12-25 08:24:40,467 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 08:24:40,470 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 08:24:40,470 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 08:24:40,473 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 08:24:40,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 08:21:25" (1/3) ... [2023-12-25 08:24:40,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b9aac46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 08:24:40, skipping insertion in model container [2023-12-25 08:24:40,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 08:21:27" (2/3) ... [2023-12-25 08:24:40,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b9aac46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 08:24:40, skipping insertion in model container [2023-12-25 08:24:40,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 08:24:40" (3/3) ... [2023-12-25 08:24:40,475 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_nxt.3.M4.c [2023-12-25 08:24:40,488 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 08:24:40,488 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 08:24:40,675 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 08:24:40,680 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;@572edb75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 08:24:40,681 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 08:24:40,715 INFO L276 IsEmpty]: Start isEmpty. Operand has 12454 states, 8091 states have (on average 1.3128167099246075) internal successors, (10622), 8203 states have internal predecessors, (10622), 4343 states have call successors, (4343), 18 states have call predecessors, (4343), 18 states have return successors, (4343), 4341 states have call predecessors, (4343), 4343 states have call successors, (4343) [2023-12-25 08:24:41,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5254 [2023-12-25 08:24:41,213 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 08:24:41,220 INFO L195 NwaCegarLoop]: trace histogram [444, 444, 444, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 08:24:41,221 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 08:24:41,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 08:24:41,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1854973526, now seen corresponding path program 1 times [2023-12-25 08:24:41,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 08:24:41,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1762068663] [2023-12-25 08:24:41,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:24:41,257 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 08:24:41,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 08:24:41,286 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 08:24:41,332 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 08:25:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:25:07,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 9135 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 08:25:07,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:25:07,408 INFO L134 CoverageAnalysis]: Checked inductivity of 393384 backedges. 48910 proven. 0 refuted. 0 times theorem prover too weak. 344474 trivial. 0 not checked. [2023-12-25 08:25:07,409 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 08:25:07,410 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 08:25:07,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1762068663] [2023-12-25 08:25:07,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1762068663] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 08:25:07,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 08:25:07,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 08:25:07,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955091300] [2023-12-25 08:25:07,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 08:25:07,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 08:25:07,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 08:25:07,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 08:25:07,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 08:25:07,514 INFO L87 Difference]: Start difference. First operand has 12454 states, 8091 states have (on average 1.3128167099246075) internal successors, (10622), 8203 states have internal predecessors, (10622), 4343 states have call successors, (4343), 18 states have call predecessors, (4343), 18 states have return successors, (4343), 4341 states have call predecessors, (4343), 4343 states have call successors, (4343) Second operand has 2 states, 2 states have (on average 1519.5) internal successors, (3039), 2 states have internal predecessors, (3039), 2 states have call successors, (445), 2 states have call predecessors, (445), 2 states have return successors, (444), 2 states have call predecessors, (444), 2 states have call successors, (444) [2023-12-25 08:25:12,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:25:16,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:25:16,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 08:25:16,984 INFO L93 Difference]: Finished difference Result 24906 states and 42938 transitions. [2023-12-25 08:25:16,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 08:25:16,989 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 1519.5) internal successors, (3039), 2 states have internal predecessors, (3039), 2 states have call successors, (445), 2 states have call predecessors, (445), 2 states have return successors, (444), 2 states have call predecessors, (444), 2 states have call successors, (444) Word has length 5253 [2023-12-25 08:25:16,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 08:25:17,085 INFO L225 Difference]: With dead ends: 24906 [2023-12-25 08:25:17,085 INFO L226 Difference]: Without dead ends: 12450 [2023-12-25 08:25:17,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5252 GetRequests, 5252 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 08:25:17,153 INFO L413 NwaCegarLoop]: 19277 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19277 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-12-25 08:25:17,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19277 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time] [2023-12-25 08:25:17,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12450 states. [2023-12-25 08:25:22,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12450 to 12450. [2023-12-25 08:25:22,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12450 states, 8088 states have (on average 1.3124381800197824) internal successors, (10615), 8200 states have internal predecessors, (10615), 4343 states have call successors, (4343), 18 states have call predecessors, (4343), 18 states have return successors, (4342), 4340 states have call predecessors, (4342), 4342 states have call successors, (4342) [2023-12-25 08:25:23,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12450 states to 12450 states and 19300 transitions. [2023-12-25 08:25:23,012 INFO L78 Accepts]: Start accepts. Automaton has 12450 states and 19300 transitions. Word has length 5253 [2023-12-25 08:25:23,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 08:25:23,015 INFO L495 AbstractCegarLoop]: Abstraction has 12450 states and 19300 transitions. [2023-12-25 08:25:23,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1519.5) internal successors, (3039), 2 states have internal predecessors, (3039), 2 states have call successors, (445), 2 states have call predecessors, (445), 2 states have return successors, (444), 2 states have call predecessors, (444), 2 states have call successors, (444) [2023-12-25 08:25:23,017 INFO L276 IsEmpty]: Start isEmpty. Operand 12450 states and 19300 transitions. [2023-12-25 08:25:23,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5254 [2023-12-25 08:25:23,409 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 08:25:23,411 INFO L195 NwaCegarLoop]: trace histogram [444, 444, 444, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 08:25:23,499 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 08:25:23,636 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 08:25:23,637 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 08:25:23,638 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 08:25:23,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1400201166, now seen corresponding path program 1 times [2023-12-25 08:25:23,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 08:25:23,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [38947534] [2023-12-25 08:25:23,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:25:23,653 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 08:25:23,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 08:25:23,654 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 08:25:23,717 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 08:25:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:25:51,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 9135 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-25 08:25:51,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:26:03,352 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 1053 treesize of output 54 [2023-12-25 08:26:04,287 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-25 08:26:04,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 34 [2023-12-25 08:28:41,015 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 08:28:42,981 INFO L134 CoverageAnalysis]: Checked inductivity of 393384 backedges. 168089 proven. 669 refuted. 0 times theorem prover too weak. 224626 trivial. 0 not checked. [2023-12-25 08:28:42,982 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 08:29:56,989 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 08:30:00,666 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 08:30:00,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [38947534] [2023-12-25 08:30:00,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [38947534] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-25 08:30:00,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2022847401] [2023-12-25 08:30:00,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:30:00,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-25 08:30:00,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-25 08:30:00,729 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 08:30:00,731 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 08:30:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:30:27,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 9135 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-25 08:30:27,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:32:42,107 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 21 treesize of output 9 [2023-12-25 08:32:42,973 INFO L134 CoverageAnalysis]: Checked inductivity of 393384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 393384 trivial. 0 not checked. [2023-12-25 08:32:42,973 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 08:32:42,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2022847401] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 08:32:42,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-25 08:32:42,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 12 [2023-12-25 08:32:42,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967394590] [2023-12-25 08:32:42,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 08:32:42,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 08:32:42,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 08:32:42,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 08:32:42,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2023-12-25 08:32:42,986 INFO L87 Difference]: Start difference. First operand 12450 states and 19300 transitions. Second operand has 6 states, 5 states have (on average 607.0) internal successors, (3035), 4 states have internal predecessors, (3035), 2 states have call successors, (445), 2 states have call predecessors, (445), 1 states have return successors, (444), 1 states have call predecessors, (444), 1 states have call successors, (444) [2023-12-25 08:32:47,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:32:51,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:32:55,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:32:59,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:33:05,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:33:09,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:33:13,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:33:17,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:33:21,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:33:25,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:33:29,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:33:33,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:33:37,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-25 08:33:47,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 08:33:47,648 INFO L93 Difference]: Finished difference Result 13964 states and 21694 transitions. [2023-12-25 08:33:47,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 08:33:47,651 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 607.0) internal successors, (3035), 4 states have internal predecessors, (3035), 2 states have call successors, (445), 2 states have call predecessors, (445), 1 states have return successors, (444), 1 states have call predecessors, (444), 1 states have call successors, (444) Word has length 5253 [2023-12-25 08:33:47,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 08:33:47,784 INFO L225 Difference]: With dead ends: 13964 [2023-12-25 08:33:47,784 INFO L226 Difference]: Without dead ends: 13962 [2023-12-25 08:33:47,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15605 GetRequests, 15584 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=80, Invalid=426, Unknown=0, NotChecked=0, Total=506 [2023-12-25 08:33:47,797 INFO L413 NwaCegarLoop]: 19191 mSDtfsCounter, 15386 mSDsluCounter, 59550 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 3 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15386 SdHoareTripleChecker+Valid, 78741 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.2s IncrementalHoareTripleChecker+Time [2023-12-25 08:33:47,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15386 Valid, 78741 Invalid, 824 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [3 Valid, 808 Invalid, 13 Unknown, 0 Unchecked, 63.2s Time] [2023-12-25 08:33:47,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13962 states. [2023-12-25 08:34:12,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13962 to 13960. [2023-12-25 08:34:12,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13960 states, 8920 states have (on average 1.2987668161434978) internal successors, (11585), 9130 states have internal predecessors, (11585), 5006 states have call successors, (5006), 33 states have call predecessors, (5006), 33 states have return successors, (5100), 5001 states have call predecessors, (5100), 5004 states have call successors, (5100) [2023-12-25 08:34:12,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13960 states to 13960 states and 21691 transitions. [2023-12-25 08:34:12,166 INFO L78 Accepts]: Start accepts. Automaton has 13960 states and 21691 transitions. Word has length 5253 [2023-12-25 08:34:12,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 08:34:12,177 INFO L495 AbstractCegarLoop]: Abstraction has 13960 states and 21691 transitions. [2023-12-25 08:34:12,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 607.0) internal successors, (3035), 4 states have internal predecessors, (3035), 2 states have call successors, (445), 2 states have call predecessors, (445), 1 states have return successors, (444), 1 states have call predecessors, (444), 1 states have call successors, (444) [2023-12-25 08:34:12,178 INFO L276 IsEmpty]: Start isEmpty. Operand 13960 states and 21691 transitions. [2023-12-25 08:34:12,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5260 [2023-12-25 08:34:12,396 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 08:34:12,398 INFO L195 NwaCegarLoop]: trace histogram [444, 444, 444, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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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 08:34:12,713 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 08:34:12,812 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 08:34:12,813 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 08:34:12,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 08:34:12,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1418331889, now seen corresponding path program 1 times [2023-12-25 08:34:12,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 08:34:12,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1334783631] [2023-12-25 08:34:12,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 08:34:12,836 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 08:34:12,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 08:34:12,838 INFO L229 MonitoredProcess]: Starting monitored process 5 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 08:34:12,881 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 (5)] Waiting until timeout for monitored process [2023-12-25 08:34:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 08:34:41,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 9143 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 08:34:41,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 08:34:50,160 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 840 treesize of output 906 [2023-12-25 08:34:57,857 WARN L293 SmtUtils]: Spent 5.63s on a formula simplification that was a NOOP. DAG size: 686 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-25 08:35:07,651 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-25 08:35:07,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 75 select indices, 75 select index equivalence classes, 0 disjoint index pairs (out of 2775 index pairs), introduced 75 new quantified variables, introduced 2775 case distinctions, treesize of input 916 treesize of output 460 Received shutdown request... [2023-12-25 08:35:36,789 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 (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-25 08:35:36,797 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 08:35:36,804 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 08:35:36,901 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 (5)] Forceful destruction successful, exit code 0 [2023-12-25 08:35:36,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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 08:35:36,998 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 5260 with TraceHistMax 444,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. [2023-12-25 08:35:37,001 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-25 08:35:37,003 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 08:35:37,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 08:35:37 BoogieIcfgContainer [2023-12-25 08:35:37,005 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 08:35:37,005 INFO L158 Benchmark]: Toolchain (without parser) took 851488.27ms. Allocated memory was 304.1MB in the beginning and 3.2GB in the end (delta: 2.9GB). Free memory was 232.7MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2023-12-25 08:35:37,005 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 172.0MB. Free memory is still 122.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 08:35:37,005 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2024.45ms. Allocated memory was 304.1MB in the beginning and 426.8MB in the end (delta: 122.7MB). Free memory was 232.3MB in the beginning and 256.7MB in the end (delta: -24.4MB). Peak memory consumption was 180.5MB. Max. memory is 8.0GB. [2023-12-25 08:35:37,006 INFO L158 Benchmark]: Boogie Procedure Inliner took 1448.43ms. Allocated memory was 426.8MB in the beginning and 853.5MB in the end (delta: 426.8MB). Free memory was 256.7MB in the beginning and 592.1MB in the end (delta: -335.4MB). Peak memory consumption was 150.5MB. Max. memory is 8.0GB. [2023-12-25 08:35:37,006 INFO L158 Benchmark]: Boogie Preprocessor took 1509.43ms. Allocated memory was 853.5MB in the beginning and 1.7GB in the end (delta: 853.5MB). Free memory was 592.1MB in the beginning and 1.3GB in the end (delta: -731.0MB). Peak memory consumption was 131.6MB. Max. memory is 8.0GB. [2023-12-25 08:35:37,006 INFO L158 Benchmark]: RCFGBuilder took 189963.44ms. Allocated memory was 1.7GB in the beginning and 3.2GB in the end (delta: 1.5GB). Free memory was 1.3GB in the beginning and 2.7GB in the end (delta: -1.4GB). Peak memory consumption was 657.8MB. Max. memory is 8.0GB. [2023-12-25 08:35:37,006 INFO L158 Benchmark]: TraceAbstraction took 656534.64ms. Allocated memory is still 3.2GB. Free memory was 2.7GB in the beginning and 2.0GB in the end (delta: 672.9MB). Peak memory consumption was 673.9MB. Max. memory is 8.0GB. [2023-12-25 08:35:37,008 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 172.0MB. Free memory is still 122.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2024.45ms. Allocated memory was 304.1MB in the beginning and 426.8MB in the end (delta: 122.7MB). Free memory was 232.3MB in the beginning and 256.7MB in the end (delta: -24.4MB). Peak memory consumption was 180.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 1448.43ms. Allocated memory was 426.8MB in the beginning and 853.5MB in the end (delta: 426.8MB). Free memory was 256.7MB in the beginning and 592.1MB in the end (delta: -335.4MB). Peak memory consumption was 150.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 1509.43ms. Allocated memory was 853.5MB in the beginning and 1.7GB in the end (delta: 853.5MB). Free memory was 592.1MB in the beginning and 1.3GB in the end (delta: -731.0MB). Peak memory consumption was 131.6MB. Max. memory is 8.0GB. * RCFGBuilder took 189963.44ms. Allocated memory was 1.7GB in the beginning and 3.2GB in the end (delta: 1.5GB). Free memory was 1.3GB in the beginning and 2.7GB in the end (delta: -1.4GB). Peak memory consumption was 657.8MB. Max. memory is 8.0GB. * TraceAbstraction took 656534.64ms. Allocated memory is still 3.2GB. Free memory was 2.7GB in the beginning and 2.0GB in the end (delta: 672.9MB). Peak memory consumption was 673.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 51]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.ok3.i","-S") [51] * 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: 54]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 54). Cancelled while NwaCegarLoop was analyzing trace of length 5260 with TraceHistMax 444,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 19 procedures, 12454 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 656.5s, OverallIterations: 3, TraceHistogramMax: 444, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.1s, AutomataDifference: 74.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 15 mSolverCounterUnknown, 15386 SdHoareTripleChecker+Valid, 72.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15386 mSDsluCounter, 98018 SdHoareTripleChecker+Invalid, 71.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 59550 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 834 IncrementalHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 38468 mSDtfsCounter, 834 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20857 GetRequests, 20836 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13960occurred in iteration=2, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 30.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 6.7s SsaConstructionTime, 10.7s SatisfiabilityAnalysisTime, 385.7s InterpolantComputationTime, 15759 NumberOfCodeBlocks, 15759 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15756 ConstructedInterpolants, 7 QuantifiedInterpolants, 113271 SizeOfPredicates, 15 NumberOfNonLiveVariables, 27405 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1179483/1180152 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