/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_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.2.M1-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 23:21:22,484 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 23:21:22,535 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 23:21:22,538 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 23:21:22,538 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 23:21:22,564 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 23:21:22,564 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 23:21:22,565 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 23:21:22,565 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 23:21:22,568 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 23:21:22,568 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 23:21:22,569 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 23:21:22,569 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 23:21:22,570 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 23:21:22,570 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 23:21:22,570 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 23:21:22,570 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 23:21:22,571 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 23:21:22,571 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 23:21:22,571 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 23:21:22,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 23:21:22,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 23:21:22,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 23:21:22,571 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 23:21:22,572 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 23:21:22,572 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 23:21:22,572 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 23:21:22,572 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 23:21:22,572 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 23:21:22,573 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 23:21:22,573 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 23:21:22,573 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 23:21:22,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 23:21:22,574 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 23:21:22,574 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 23:21:22,574 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 23:21:22,574 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 23:21:22,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 23:21:22,574 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 23:21:22,574 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 23:21:22,574 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 23:21:22,575 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 23:21:22,575 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 23:21:22,575 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 23:21:22,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 23:21:22,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 23:21:22,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 23:21:22,722 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 23:21:22,723 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 23:21:22,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.2.M1-2.c [2023-12-15 23:21:23,694 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 23:21:23,938 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 23:21:23,938 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.2.M1-2.c [2023-12-15 23:21:23,957 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/626a92e1e/0ac480fc8bac44b884b86d9508e0b314/FLAGbd32756a8 [2023-12-15 23:21:23,973 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/626a92e1e/0ac480fc8bac44b884b86d9508e0b314 [2023-12-15 23:21:23,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 23:21:23,976 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 23:21:23,977 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 23:21:23,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 23:21:23,980 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 23:21:23,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:21:23" (1/1) ... [2023-12-15 23:21:23,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5251c0e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:21:23, skipping insertion in model container [2023-12-15 23:21:23,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:21:23" (1/1) ... [2023-12-15 23:21:24,038 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 23:21:24,196 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.2.M1-2.c[1937,1950] [2023-12-15 23:21:24,545 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 23:21:24,578 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 23:21:24,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.ok2.i","-S") [47] [2023-12-15 23:21:24,603 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.2.M1-2.c[1937,1950] [2023-12-15 23:21:24,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 23:21:24,788 INFO L206 MainTranslator]: Completed translation [2023-12-15 23:21:24,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:21:24 WrapperNode [2023-12-15 23:21:24,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 23:21:24,791 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 23:21:24,791 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 23:21:24,791 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 23:21:24,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:21:24" (1/1) ... [2023-12-15 23:21:24,853 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:21:24" (1/1) ... [2023-12-15 23:21:24,973 INFO L138 Inliner]: procedures = 58, calls = 1758, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 3945 [2023-12-15 23:21:24,974 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 23:21:24,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 23:21:24,974 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 23:21:24,974 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 23:21:24,982 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:21:24" (1/1) ... [2023-12-15 23:21:24,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:21:24" (1/1) ... [2023-12-15 23:21:25,007 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:21:24" (1/1) ... [2023-12-15 23:21:25,078 INFO L175 MemorySlicer]: Split 1288 memory accesses to 20 slices as follows [8, 2, 49, 5, 3, 241, 282, 156, 113, 79, 57, 56, 79, 56, 79, 8, 2, 7, 4, 2]. 22 percent of accesses are in the largest equivalence class. The 37 initializations are split as follows [0, 2, 24, 2, 1, 0, 0, 2, 2, 1, 1, 0, 0, 0, 0, 0, 0, 2, 0, 0]. The 184 writes are split as follows [4, 0, 1, 1, 1, 25, 25, 2, 2, 1, 1, 29, 27, 29, 27, 4, 1, 3, 0, 1]. [2023-12-15 23:21:25,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:21:24" (1/1) ... [2023-12-15 23:21:25,079 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:21:24" (1/1) ... [2023-12-15 23:21:25,159 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:21:24" (1/1) ... [2023-12-15 23:21:25,246 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:21:24" (1/1) ... [2023-12-15 23:21:25,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:21:24" (1/1) ... [2023-12-15 23:21:25,273 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:21:24" (1/1) ... [2023-12-15 23:21:25,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 23:21:25,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 23:21:25,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 23:21:25,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 23:21:25,298 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:21:24" (1/1) ... [2023-12-15 23:21:25,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 23:21:25,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 23:21:25,319 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) [2023-12-15 23:21:25,321 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 [2023-12-15 23:21:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 23:21:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-12-15 23:21:25,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-12-15 23:21:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-12-15 23:21:25,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-12-15 23:21:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-15 23:21:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-12-15 23:21:25,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-12-15 23:21:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-12-15 23:21:25,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-12-15 23:21:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-12-15 23:21:25,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-12-15 23:21:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-15 23:21:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-15 23:21:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-12-15 23:21:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-12-15 23:21:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-12-15 23:21:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-12-15 23:21:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-12-15 23:21:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-12-15 23:21:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-12-15 23:21:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-12-15 23:21:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-12-15 23:21:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-12-15 23:21:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-12-15 23:21:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-12-15 23:21:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-12-15 23:21:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-12-15 23:21:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-12-15 23:21:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-12-15 23:21:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-12-15 23:21:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-12-15 23:21:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-12-15 23:21:25,368 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-12-15 23:21:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-12-15 23:21:25,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-12-15 23:21:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-12-15 23:21:25,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-12-15 23:21:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-12-15 23:21:25,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-12-15 23:21:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-15 23:21:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2023-12-15 23:21:25,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2023-12-15 23:21:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-15 23:21:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-15 23:21:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-12-15 23:21:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-12-15 23:21:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-12-15 23:21:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-12-15 23:21:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-12-15 23:21:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-12-15 23:21:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-12-15 23:21:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-12-15 23:21:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-12-15 23:21:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-12-15 23:21:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-12-15 23:21:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-12-15 23:21:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-12-15 23:21:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-12-15 23:21:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-12-15 23:21:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-12-15 23:21:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-12-15 23:21:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-12-15 23:21:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-12-15 23:21:25,370 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-12-15 23:21:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-12-15 23:21:25,370 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-12-15 23:21:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-15 23:21:25,370 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-15 23:21:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 23:21:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-15 23:21:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-15 23:21:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-15 23:21:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-12-15 23:21:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-12-15 23:21:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-12-15 23:21:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-12-15 23:21:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-12-15 23:21:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-12-15 23:21:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-12-15 23:21:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-12-15 23:21:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-12-15 23:21:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-12-15 23:21:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-12-15 23:21:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-12-15 23:21:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-12-15 23:21:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-12-15 23:21:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-12-15 23:21:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-12-15 23:21:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 23:21:25,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 23:21:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-12-15 23:21:25,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-12-15 23:21:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-12-15 23:21:25,371 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-12-15 23:21:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-12-15 23:21:25,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-12-15 23:21:25,741 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 23:21:25,743 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 23:21:32,604 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 23:21:32,676 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 23:21:32,676 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 23:21:32,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:21:32 BoogieIcfgContainer [2023-12-15 23:21:32,676 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 23:21:32,678 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 23:21:32,678 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 23:21:32,680 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 23:21:32,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:21:23" (1/3) ... [2023-12-15 23:21:32,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29aec18e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:21:32, skipping insertion in model container [2023-12-15 23:21:32,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:21:24" (2/3) ... [2023-12-15 23:21:32,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29aec18e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:21:32, skipping insertion in model container [2023-12-15 23:21:32,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:21:32" (3/3) ... [2023-12-15 23:21:32,682 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_nxt.2.M1-2.c [2023-12-15 23:21:32,695 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 23:21:32,695 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 23:21:32,740 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 23:21:32,745 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;@2cb46fa7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 23:21:32,745 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 23:21:32,752 INFO L276 IsEmpty]: Start isEmpty. Operand has 1170 states, 733 states have (on average 1.296043656207367) internal successors, (950), 765 states have internal predecessors, (950), 419 states have call successors, (419), 16 states have call predecessors, (419), 16 states have return successors, (419), 417 states have call predecessors, (419), 419 states have call successors, (419) [2023-12-15 23:21:32,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2023-12-15 23:21:32,810 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:21:32,812 INFO L195 NwaCegarLoop]: trace histogram [85, 85, 85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:21:32,812 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 23:21:32,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:21:32,817 INFO L85 PathProgramCache]: Analyzing trace with hash 233604954, now seen corresponding path program 1 times [2023-12-15 23:21:32,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:21:32,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204963901] [2023-12-15 23:21:32,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:21:32,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:21:33,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 23:21:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 23:21:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-15 23:21:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-15 23:21:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-15 23:21:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-15 23:21:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-15 23:21:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-15 23:21:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-15 23:21:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-15 23:21:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-15 23:21:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-15 23:21:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-15 23:21:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-15 23:21:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-15 23:21:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-15 23:21:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 23:21:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-15 23:21:33,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-15 23:21:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-15 23:21:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-15 23:21:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-15 23:21:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-15 23:21:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-15 23:21:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-15 23:21:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-15 23:21:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-15 23:21:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-15 23:21:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-15 23:21:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-15 23:21:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-15 23:21:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-15 23:21:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-15 23:21:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-15 23:21:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-15 23:21:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-15 23:21:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-15 23:21:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-15 23:21:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-15 23:21:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-15 23:21:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-15 23:21:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-15 23:21:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-15 23:21:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-15 23:21:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-15 23:21:33,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-15 23:21:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-15 23:21:33,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-15 23:21:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-15 23:21:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-15 23:21:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-15 23:21:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-15 23:21:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-15 23:21:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-15 23:21:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-15 23:21:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-15 23:21:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-15 23:21:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-15 23:21:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-15 23:21:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-15 23:21:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-15 23:21:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-15 23:21:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-15 23:21:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-15 23:21:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-15 23:21:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-15 23:21:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-15 23:21:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-15 23:21:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-15 23:21:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-15 23:21:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-15 23:21:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-15 23:21:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-15 23:21:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-15 23:21:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-15 23:21:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-15 23:21:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-15 23:21:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-15 23:21:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-15 23:21:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-15 23:21:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-15 23:21:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-15 23:21:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-15 23:21:33,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-15 23:21:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-15 23:21:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:33,853 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14280 trivial. 0 not checked. [2023-12-15 23:21:33,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:21:33,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204963901] [2023-12-15 23:21:33,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204963901] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:21:33,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:21:33,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 23:21:33,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537710580] [2023-12-15 23:21:33,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:21:33,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 23:21:33,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:21:33,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 23:21:33,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 23:21:33,890 INFO L87 Difference]: Start difference. First operand has 1170 states, 733 states have (on average 1.296043656207367) internal successors, (950), 765 states have internal predecessors, (950), 419 states have call successors, (419), 16 states have call predecessors, (419), 16 states have return successors, (419), 417 states have call predecessors, (419), 419 states have call successors, (419) Second operand has 2 states, 2 states have (on average 147.0) internal successors, (294), 2 states have internal predecessors, (294), 2 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (85), 1 states have call predecessors, (85), 2 states have call successors, (85) [2023-12-15 23:21:37,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-15 23:21:38,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:21:38,043 INFO L93 Difference]: Finished difference Result 2338 states and 3976 transitions. [2023-12-15 23:21:38,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 23:21:38,046 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 147.0) internal successors, (294), 2 states have internal predecessors, (294), 2 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (85), 1 states have call predecessors, (85), 2 states have call successors, (85) Word has length 717 [2023-12-15 23:21:38,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:21:38,059 INFO L225 Difference]: With dead ends: 2338 [2023-12-15 23:21:38,059 INFO L226 Difference]: Without dead ends: 1166 [2023-12-15 23:21:38,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 23:21:38,070 INFO L413 NwaCegarLoop]: 1759 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1759 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-12-15 23:21:38,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1759 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2023-12-15 23:21:38,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1166 states. [2023-12-15 23:21:38,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1166 to 1166. [2023-12-15 23:21:38,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1166 states, 730 states have (on average 1.2917808219178082) internal successors, (943), 762 states have internal predecessors, (943), 419 states have call successors, (419), 16 states have call predecessors, (419), 16 states have return successors, (418), 416 states have call predecessors, (418), 418 states have call successors, (418) [2023-12-15 23:21:38,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1166 states and 1780 transitions. [2023-12-15 23:21:38,218 INFO L78 Accepts]: Start accepts. Automaton has 1166 states and 1780 transitions. Word has length 717 [2023-12-15 23:21:38,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:21:38,219 INFO L495 AbstractCegarLoop]: Abstraction has 1166 states and 1780 transitions. [2023-12-15 23:21:38,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 147.0) internal successors, (294), 2 states have internal predecessors, (294), 2 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (85), 1 states have call predecessors, (85), 2 states have call successors, (85) [2023-12-15 23:21:38,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1780 transitions. [2023-12-15 23:21:38,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2023-12-15 23:21:38,233 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:21:38,233 INFO L195 NwaCegarLoop]: trace histogram [85, 85, 85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:21:38,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-15 23:21:38,234 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 23:21:38,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:21:38,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1315016688, now seen corresponding path program 1 times [2023-12-15 23:21:38,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:21:38,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511326578] [2023-12-15 23:21:38,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:21:38,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:21:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 23:21:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 23:21:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-15 23:21:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-15 23:21:39,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-15 23:21:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-15 23:21:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-15 23:21:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-15 23:21:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-15 23:21:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-15 23:21:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-15 23:21:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-15 23:21:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-15 23:21:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-15 23:21:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-15 23:21:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-15 23:21:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 23:21:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-15 23:21:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-15 23:21:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-15 23:21:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-15 23:21:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-15 23:21:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-15 23:21:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-15 23:21:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-15 23:21:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-15 23:21:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-15 23:21:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-15 23:21:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-15 23:21:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-15 23:21:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-15 23:21:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-15 23:21:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-15 23:21:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-15 23:21:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-15 23:21:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-15 23:21:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-15 23:21:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-15 23:21:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-15 23:21:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-15 23:21:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-15 23:21:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-15 23:21:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-15 23:21:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-15 23:21:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-15 23:21:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-15 23:21:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-15 23:21:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-15 23:21:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-15 23:21:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-15 23:21:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-15 23:21:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-15 23:21:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-15 23:21:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-15 23:21:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-15 23:21:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-15 23:21:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-15 23:21:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-15 23:21:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-15 23:21:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-15 23:21:39,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-15 23:21:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-15 23:21:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-15 23:21:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-15 23:21:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-15 23:21:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-15 23:21:39,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-15 23:21:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-15 23:21:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-15 23:21:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-15 23:21:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-15 23:21:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-15 23:21:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-15 23:21:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-15 23:21:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-15 23:21:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-15 23:21:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-15 23:21:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-15 23:21:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-15 23:21:39,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-15 23:21:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-15 23:21:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-15 23:21:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-15 23:21:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-15 23:21:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-15 23:21:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:39,825 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14280 trivial. 0 not checked. [2023-12-15 23:21:39,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:21:39,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511326578] [2023-12-15 23:21:39,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511326578] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:21:39,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:21:39,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 23:21:39,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361888559] [2023-12-15 23:21:39,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:21:39,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-15 23:21:39,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:21:39,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-15 23:21:39,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-15 23:21:39,831 INFO L87 Difference]: Start difference. First operand 1166 states and 1780 transitions. Second operand has 6 states, 5 states have (on average 58.8) internal successors, (294), 5 states have internal predecessors, (294), 2 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (85), 1 states have call predecessors, (85), 1 states have call successors, (85) [2023-12-15 23:21:43,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-15 23:21:47,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-15 23:21:51,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-15 23:21:55,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-15 23:21:56,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:21:56,297 INFO L93 Difference]: Finished difference Result 1579 states and 2415 transitions. [2023-12-15 23:21:56,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-15 23:21:56,298 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 58.8) internal successors, (294), 5 states have internal predecessors, (294), 2 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (85), 1 states have call predecessors, (85), 1 states have call successors, (85) Word has length 717 [2023-12-15 23:21:56,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:21:56,311 INFO L225 Difference]: With dead ends: 1579 [2023-12-15 23:21:56,312 INFO L226 Difference]: Without dead ends: 1577 [2023-12-15 23:21:56,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-15 23:21:56,315 INFO L413 NwaCegarLoop]: 1754 mSDtfsCounter, 1413 mSDsluCounter, 5778 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1413 SdHoareTripleChecker+Valid, 7532 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2023-12-15 23:21:56,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1413 Valid, 7532 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 287 Invalid, 4 Unknown, 0 Unchecked, 16.3s Time] [2023-12-15 23:21:56,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1577 states. [2023-12-15 23:21:56,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1577 to 1575. [2023-12-15 23:21:56,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1575 states, 967 states have (on average 1.2781799379524301) internal successors, (1236), 1025 states have internal predecessors, (1236), 577 states have call successors, (577), 30 states have call predecessors, (577), 30 states have return successors, (599), 572 states have call predecessors, (599), 575 states have call successors, (599) [2023-12-15 23:21:56,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 1575 states and 2412 transitions. [2023-12-15 23:21:56,496 INFO L78 Accepts]: Start accepts. Automaton has 1575 states and 2412 transitions. Word has length 717 [2023-12-15 23:21:56,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:21:56,497 INFO L495 AbstractCegarLoop]: Abstraction has 1575 states and 2412 transitions. [2023-12-15 23:21:56,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 58.8) internal successors, (294), 5 states have internal predecessors, (294), 2 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (85), 1 states have call predecessors, (85), 1 states have call successors, (85) [2023-12-15 23:21:56,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 2412 transitions. [2023-12-15 23:21:56,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2023-12-15 23:21:56,515 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:21:56,515 INFO L195 NwaCegarLoop]: trace histogram [85, 85, 85, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:21:56,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-15 23:21:56,515 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 23:21:56,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:21:56,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1328508212, now seen corresponding path program 1 times [2023-12-15 23:21:56,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:21:56,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096280344] [2023-12-15 23:21:56,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:21:56,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:21:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 23:21:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 23:21:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-15 23:21:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-15 23:21:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-15 23:21:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-15 23:21:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-15 23:21:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-15 23:21:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-15 23:21:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-15 23:21:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-15 23:21:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-15 23:21:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-15 23:21:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-15 23:21:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-15 23:21:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-15 23:21:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 23:21:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-15 23:21:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-15 23:21:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-15 23:21:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-15 23:21:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-15 23:21:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-15 23:21:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-15 23:21:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-15 23:21:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-15 23:21:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-15 23:21:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-15 23:21:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-15 23:21:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-15 23:21:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-15 23:21:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-15 23:21:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-15 23:21:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-15 23:21:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-15 23:21:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-15 23:21:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-15 23:21:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-15 23:21:57,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-15 23:21:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-15 23:21:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-15 23:21:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-15 23:21:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-15 23:21:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-15 23:21:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-15 23:21:57,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-15 23:21:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-15 23:21:57,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-15 23:21:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-15 23:21:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-15 23:21:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-15 23:21:57,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-15 23:21:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-15 23:21:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-15 23:21:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-15 23:21:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-15 23:21:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-15 23:21:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-15 23:21:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-15 23:21:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-15 23:21:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-15 23:21:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-15 23:21:57,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-15 23:21:57,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-15 23:21:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-15 23:21:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-15 23:21:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-15 23:21:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-15 23:21:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-15 23:21:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-15 23:21:57,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-15 23:21:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-15 23:21:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-15 23:21:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-15 23:21:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-15 23:21:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-15 23:21:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-15 23:21:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-15 23:21:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-15 23:21:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-15 23:21:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-15 23:21:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-15 23:21:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-15 23:21:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-15 23:21:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-15 23:21:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-15 23:21:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:21:57,636 INFO L134 CoverageAnalysis]: Checked inductivity of 14282 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14280 trivial. 0 not checked. [2023-12-15 23:21:57,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:21:57,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096280344] [2023-12-15 23:21:57,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096280344] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:21:57,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:21:57,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 23:21:57,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162497036] [2023-12-15 23:21:57,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:21:57,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-15 23:21:57,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:21:57,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-15 23:21:57,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-15 23:21:57,639 INFO L87 Difference]: Start difference. First operand 1575 states and 2412 transitions. Second operand has 6 states, 5 states have (on average 59.6) internal successors, (298), 5 states have internal predecessors, (298), 2 states have call successors, (87), 2 states have call predecessors, (87), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) [2023-12-15 23:22:01,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-15 23:22:05,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-15 23:22:09,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-15 23:22:13,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-15 23:22:14,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:22:14,009 INFO L93 Difference]: Finished difference Result 1583 states and 2418 transitions. [2023-12-15 23:22:14,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-15 23:22:14,010 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 59.6) internal successors, (298), 5 states have internal predecessors, (298), 2 states have call successors, (87), 2 states have call predecessors, (87), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) Word has length 723 [2023-12-15 23:22:14,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:22:14,018 INFO L225 Difference]: With dead ends: 1583 [2023-12-15 23:22:14,018 INFO L226 Difference]: Without dead ends: 1581 [2023-12-15 23:22:14,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-15 23:22:14,020 INFO L413 NwaCegarLoop]: 1757 mSDtfsCounter, 1408 mSDsluCounter, 5781 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1408 SdHoareTripleChecker+Valid, 7538 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2023-12-15 23:22:14,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1408 Valid, 7538 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 287 Invalid, 4 Unknown, 0 Unchecked, 16.3s Time] [2023-12-15 23:22:14,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2023-12-15 23:22:14,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 1579. [2023-12-15 23:22:14,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1579 states, 970 states have (on average 1.2773195876288659) internal successors, (1239), 1028 states have internal predecessors, (1239), 577 states have call successors, (577), 31 states have call predecessors, (577), 31 states have return successors, (599), 572 states have call predecessors, (599), 575 states have call successors, (599) [2023-12-15 23:22:14,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1579 states to 1579 states and 2415 transitions. [2023-12-15 23:22:14,172 INFO L78 Accepts]: Start accepts. Automaton has 1579 states and 2415 transitions. Word has length 723 [2023-12-15 23:22:14,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:22:14,174 INFO L495 AbstractCegarLoop]: Abstraction has 1579 states and 2415 transitions. [2023-12-15 23:22:14,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 59.6) internal successors, (298), 5 states have internal predecessors, (298), 2 states have call successors, (87), 2 states have call predecessors, (87), 1 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) [2023-12-15 23:22:14,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1579 states and 2415 transitions. [2023-12-15 23:22:14,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 730 [2023-12-15 23:22:14,189 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:22:14,189 INFO L195 NwaCegarLoop]: trace histogram [85, 85, 85, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:22:14,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-15 23:22:14,189 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 23:22:14,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:22:14,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1810755466, now seen corresponding path program 1 times [2023-12-15 23:22:14,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:22:14,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055653180] [2023-12-15 23:22:14,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:22:14,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:22:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 23:22:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 23:22:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-15 23:22:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-15 23:22:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-15 23:22:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-15 23:22:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-15 23:22:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-15 23:22:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-15 23:22:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-15 23:22:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-15 23:22:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-15 23:22:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-15 23:22:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-15 23:22:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-15 23:22:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-15 23:22:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 23:22:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-15 23:22:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-15 23:22:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-15 23:22:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-15 23:22:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-15 23:22:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-15 23:22:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-15 23:22:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-15 23:22:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-15 23:22:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-15 23:22:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-15 23:22:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-15 23:22:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-15 23:22:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-15 23:22:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-15 23:22:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-15 23:22:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-15 23:22:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-15 23:22:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-15 23:22:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-15 23:22:15,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-15 23:22:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-15 23:22:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-15 23:22:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-15 23:22:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-15 23:22:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-15 23:22:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-15 23:22:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-15 23:22:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-15 23:22:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-15 23:22:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-15 23:22:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-15 23:22:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-15 23:22:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-15 23:22:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-15 23:22:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-15 23:22:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-15 23:22:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-15 23:22:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-15 23:22:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-15 23:22:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-15 23:22:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-15 23:22:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-15 23:22:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-15 23:22:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-15 23:22:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-15 23:22:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-15 23:22:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-15 23:22:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-15 23:22:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-15 23:22:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-15 23:22:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-15 23:22:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-15 23:22:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-15 23:22:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-15 23:22:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-15 23:22:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-15 23:22:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-15 23:22:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-15 23:22:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-15 23:22:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-15 23:22:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-15 23:22:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-15 23:22:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-15 23:22:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-15 23:22:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-15 23:22:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-15 23:22:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-15 23:22:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-15 23:22:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2023-12-15 23:22:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:15,335 INFO L134 CoverageAnalysis]: Checked inductivity of 14288 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 14284 trivial. 0 not checked. [2023-12-15 23:22:15,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:22:15,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055653180] [2023-12-15 23:22:15,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055653180] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:22:15,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:22:15,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 23:22:15,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207966578] [2023-12-15 23:22:15,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:22:15,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-15 23:22:15,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:22:15,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-15 23:22:15,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-15 23:22:15,341 INFO L87 Difference]: Start difference. First operand 1579 states and 2415 transitions. Second operand has 6 states, 5 states have (on average 59.8) internal successors, (299), 5 states have internal predecessors, (299), 2 states have call successors, (88), 2 states have call predecessors, (88), 1 states have return successors, (87), 1 states have call predecessors, (87), 1 states have call successors, (87) [2023-12-15 23:22:19,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-15 23:22:23,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-15 23:22:27,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-15 23:22:31,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-15 23:22:31,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:22:31,707 INFO L93 Difference]: Finished difference Result 1587 states and 2421 transitions. [2023-12-15 23:22:31,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-15 23:22:31,708 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 59.8) internal successors, (299), 5 states have internal predecessors, (299), 2 states have call successors, (88), 2 states have call predecessors, (88), 1 states have return successors, (87), 1 states have call predecessors, (87), 1 states have call successors, (87) Word has length 729 [2023-12-15 23:22:31,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:22:31,716 INFO L225 Difference]: With dead ends: 1587 [2023-12-15 23:22:31,716 INFO L226 Difference]: Without dead ends: 1585 [2023-12-15 23:22:31,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-15 23:22:31,717 INFO L413 NwaCegarLoop]: 1757 mSDtfsCounter, 1406 mSDsluCounter, 5781 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1406 SdHoareTripleChecker+Valid, 7538 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2023-12-15 23:22:31,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1406 Valid, 7538 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 287 Invalid, 4 Unknown, 0 Unchecked, 16.3s Time] [2023-12-15 23:22:31,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1585 states. [2023-12-15 23:22:31,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1585 to 1583. [2023-12-15 23:22:31,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1583 states, 973 states have (on average 1.276464542651593) internal successors, (1242), 1031 states have internal predecessors, (1242), 577 states have call successors, (577), 32 states have call predecessors, (577), 32 states have return successors, (599), 572 states have call predecessors, (599), 575 states have call successors, (599) [2023-12-15 23:22:31,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1583 states and 2418 transitions. [2023-12-15 23:22:31,866 INFO L78 Accepts]: Start accepts. Automaton has 1583 states and 2418 transitions. Word has length 729 [2023-12-15 23:22:31,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:22:31,868 INFO L495 AbstractCegarLoop]: Abstraction has 1583 states and 2418 transitions. [2023-12-15 23:22:31,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 59.8) internal successors, (299), 5 states have internal predecessors, (299), 2 states have call successors, (88), 2 states have call predecessors, (88), 1 states have return successors, (87), 1 states have call predecessors, (87), 1 states have call successors, (87) [2023-12-15 23:22:31,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 2418 transitions. [2023-12-15 23:22:31,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 736 [2023-12-15 23:22:31,880 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:22:31,881 INFO L195 NwaCegarLoop]: trace histogram [85, 85, 85, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:22:31,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-15 23:22:31,881 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 23:22:31,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:22:31,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1712358198, now seen corresponding path program 1 times [2023-12-15 23:22:31,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:22:31,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162833443] [2023-12-15 23:22:31,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:22:31,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:22:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 23:22:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 23:22:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-15 23:22:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-15 23:22:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-15 23:22:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-15 23:22:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-15 23:22:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-15 23:22:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-15 23:22:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-15 23:22:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-15 23:22:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-15 23:22:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-15 23:22:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-15 23:22:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-15 23:22:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-15 23:22:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 23:22:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-15 23:22:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-15 23:22:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-15 23:22:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-15 23:22:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-15 23:22:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-15 23:22:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-15 23:22:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-15 23:22:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-15 23:22:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-15 23:22:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-15 23:22:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-15 23:22:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-15 23:22:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-15 23:22:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-15 23:22:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-15 23:22:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-15 23:22:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-15 23:22:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-15 23:22:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-15 23:22:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-15 23:22:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-15 23:22:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-15 23:22:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-15 23:22:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-15 23:22:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-15 23:22:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-15 23:22:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-15 23:22:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-15 23:22:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-15 23:22:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-15 23:22:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-15 23:22:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-15 23:22:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-15 23:22:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-15 23:22:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-15 23:22:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-15 23:22:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-15 23:22:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-15 23:22:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-15 23:22:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-15 23:22:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-15 23:22:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-15 23:22:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-15 23:22:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-15 23:22:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-15 23:22:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:32,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-15 23:22:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:33,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-15 23:22:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:33,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-15 23:22:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:33,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-15 23:22:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:33,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-15 23:22:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:33,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-15 23:22:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:33,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-15 23:22:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:33,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-15 23:22:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:33,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-15 23:22:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:33,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-15 23:22:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:33,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-15 23:22:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:33,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-15 23:22:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:33,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-15 23:22:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:33,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-15 23:22:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:33,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-15 23:22:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:33,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-15 23:22:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:33,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-15 23:22:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:33,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-15 23:22:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:33,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-15 23:22:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:33,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-15 23:22:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:33,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-15 23:22:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:33,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-15 23:22:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:33,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-15 23:22:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:33,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2023-12-15 23:22:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:33,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-15 23:22:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:22:33,070 INFO L134 CoverageAnalysis]: Checked inductivity of 14298 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14292 trivial. 0 not checked. [2023-12-15 23:22:33,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:22:33,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162833443] [2023-12-15 23:22:33,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162833443] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:22:33,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:22:33,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 23:22:33,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114763174] [2023-12-15 23:22:33,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:22:33,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-15 23:22:33,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:22:33,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-15 23:22:33,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-15 23:22:33,072 INFO L87 Difference]: Start difference. First operand 1583 states and 2418 transitions. Second operand has 6 states, 5 states have (on average 60.0) internal successors, (300), 5 states have internal predecessors, (300), 2 states have call successors, (89), 2 states have call predecessors, (89), 1 states have return successors, (88), 1 states have call predecessors, (88), 1 states have call successors, (88) Received shutdown request... [2023-12-15 23:22:36,370 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 [2023-12-15 23:22:37,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-15 23:22:37,571 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 [2023-12-15 23:22:37,577 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 [2023-12-15 23:22:37,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-15 23:22:37,579 INFO L413 NwaCegarLoop]: 555 mSDtfsCounter, 342 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 2220 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-12-15 23:22:37,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 2220 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2023-12-15 23:22:37,580 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 23:22:37,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-15 23:22:37,580 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2023-12-15 23:22:37,583 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-15 23:22:37,585 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 23:22:37,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 11:22:37 BoogieIcfgContainer [2023-12-15 23:22:37,586 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 23:22:37,586 INFO L158 Benchmark]: Toolchain (without parser) took 73610.21ms. Allocated memory was 267.4MB in the beginning and 609.2MB in the end (delta: 341.8MB). Free memory was 222.6MB in the beginning and 283.9MB in the end (delta: -61.3MB). Peak memory consumption was 282.1MB. Max. memory is 8.0GB. [2023-12-15 23:22:37,586 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 176.2MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 23:22:37,587 INFO L158 Benchmark]: CACSL2BoogieTranslator took 812.80ms. Allocated memory is still 267.4MB. Free memory was 222.6MB in the beginning and 158.1MB in the end (delta: 64.5MB). Peak memory consumption was 65.0MB. Max. memory is 8.0GB. [2023-12-15 23:22:37,587 INFO L158 Benchmark]: Boogie Procedure Inliner took 183.04ms. Allocated memory is still 267.4MB. Free memory was 158.1MB in the beginning and 123.5MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. [2023-12-15 23:22:37,587 INFO L158 Benchmark]: Boogie Preprocessor took 322.27ms. Allocated memory is still 267.4MB. Free memory was 123.5MB in the beginning and 206.4MB in the end (delta: -82.9MB). Peak memory consumption was 54.0MB. Max. memory is 8.0GB. [2023-12-15 23:22:37,588 INFO L158 Benchmark]: RCFGBuilder took 7379.19ms. Allocated memory was 267.4MB in the beginning and 456.1MB in the end (delta: 188.7MB). Free memory was 206.4MB in the beginning and 267.7MB in the end (delta: -61.3MB). Peak memory consumption was 135.3MB. Max. memory is 8.0GB. [2023-12-15 23:22:37,588 INFO L158 Benchmark]: TraceAbstraction took 64908.36ms. Allocated memory was 456.1MB in the beginning and 609.2MB in the end (delta: 153.1MB). Free memory was 267.2MB in the beginning and 283.9MB in the end (delta: -16.7MB). Peak memory consumption was 136.8MB. Max. memory is 8.0GB. [2023-12-15 23:22:37,590 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 176.2MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 812.80ms. Allocated memory is still 267.4MB. Free memory was 222.6MB in the beginning and 158.1MB in the end (delta: 64.5MB). Peak memory consumption was 65.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 183.04ms. Allocated memory is still 267.4MB. Free memory was 158.1MB in the beginning and 123.5MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 322.27ms. Allocated memory is still 267.4MB. Free memory was 123.5MB in the beginning and 206.4MB in the end (delta: -82.9MB). Peak memory consumption was 54.0MB. Max. memory is 8.0GB. * RCFGBuilder took 7379.19ms. Allocated memory was 267.4MB in the beginning and 456.1MB in the end (delta: 188.7MB). Free memory was 206.4MB in the beginning and 267.7MB in the end (delta: -61.3MB). Peak memory consumption was 135.3MB. Max. memory is 8.0GB. * TraceAbstraction took 64908.36ms. Allocated memory was 456.1MB in the beginning and 609.2MB in the end (delta: 153.1MB). Free memory was 267.2MB in the beginning and 283.9MB in the end (delta: -16.7MB). Peak memory consumption was 136.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 47]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.ok2.i","-S") [47] * 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: 48]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 48). Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 17 procedures, 1170 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 64.9s, OverallIterations: 5, TraceHistogramMax: 85, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 58.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 14 mSolverCounterUnknown, 4569 SdHoareTripleChecker+Valid, 56.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4569 mSDsluCounter, 26587 SdHoareTripleChecker+Invalid, 56.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19005 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 890 IncrementalHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 7582 mSDtfsCounter, 890 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 978 GetRequests, 953 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1583occurred in iteration=4, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 3621 NumberOfCodeBlocks, 3621 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 3616 ConstructedInterpolants, 0 QuantifiedInterpolants, 15640 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 71428/71428 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