/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 false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.3.M1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 12:24:05,838 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 12:24:05,933 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-21 12:24:05,947 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 12:24:05,947 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 12:24:05,970 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 12:24:05,971 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 12:24:05,971 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 12:24:05,972 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 12:24:05,972 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 12:24:05,972 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 12:24:05,973 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 12:24:05,973 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 12:24:05,974 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 12:24:05,980 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 12:24:05,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 12:24:05,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 12:24:05,981 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 12:24:05,981 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-21 12:24:05,981 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 12:24:05,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 12:24:05,988 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 12:24:05,989 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 12:24:05,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 12:24:05,989 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 12:24:05,989 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 12:24:05,990 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 12:24:05,990 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 12:24:05,990 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 12:24:05,997 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 12:24:06,012 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 12:24:06,013 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 12:24:06,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 12:24:06,013 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 12:24:06,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 12:24:06,013 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 12:24:06,013 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-21 12:24:06,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-21 12:24:06,014 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 12:24:06,014 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 12:24:06,014 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 12:24:06,014 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 12:24:06,014 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 12:24:06,014 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-21 12:24:06,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 12:24:06,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 12:24:06,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 12:24:06,219 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 12:24:06,219 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 12:24:06,220 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.3.M1.c [2023-12-21 12:24:07,628 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 12:24:07,982 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 12:24:07,983 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.3.M1.c [2023-12-21 12:24:08,023 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3087491d5/404974411dd54f6bb06ad35e5f04af3b/FLAGc5935a7ea [2023-12-21 12:24:08,037 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3087491d5/404974411dd54f6bb06ad35e5f04af3b [2023-12-21 12:24:08,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 12:24:08,042 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 12:24:08,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 12:24:08,044 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 12:24:08,047 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 12:24:08,048 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:24:08" (1/1) ... [2023-12-21 12:24:08,048 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5067745d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:24:08, skipping insertion in model container [2023-12-21 12:24:08,048 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:24:08" (1/1) ... [2023-12-21 12:24:08,103 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 12:24:08,258 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.3.M1.c[2017,2030] [2023-12-21 12:24:08,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 12:24:08,609 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 12:24:08,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.ok3.i","-S") [47] [2023-12-21 12:24:08,622 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.3.M1.c[2017,2030] [2023-12-21 12:24:08,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 12:24:08,814 INFO L206 MainTranslator]: Completed translation [2023-12-21 12:24:08,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:24:08 WrapperNode [2023-12-21 12:24:08,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 12:24:08,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 12:24:08,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 12:24:08,816 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 12:24:08,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:24:08" (1/1) ... [2023-12-21 12:24:08,869 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:24:08" (1/1) ... [2023-12-21 12:24:08,989 INFO L138 Inliner]: procedures = 62, calls = 1929, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 4255 [2023-12-21 12:24:08,989 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 12:24:08,990 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 12:24:08,990 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 12:24:08,990 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 12:24:08,998 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:24:08" (1/1) ... [2023-12-21 12:24:08,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:24:08" (1/1) ... [2023-12-21 12:24:09,047 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:24:08" (1/1) ... [2023-12-21 12:24:09,155 INFO L175 MemorySlicer]: Split 1423 memory accesses to 22 slices as follows [2, 49, 5, 3, 241, 4, 282, 156, 113, 79, 57, 56, 79, 8, 56, 2, 79, 56, 79, 7, 8, 2]. 20 percent of accesses are in the largest equivalence class. The 37 initializations are split as follows [2, 24, 2, 1, 0, 0, 0, 2, 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0]. The 240 writes are split as follows [0, 1, 1, 1, 25, 0, 25, 2, 2, 1, 1, 29, 27, 4, 29, 1, 27, 29, 27, 3, 4, 1]. [2023-12-21 12:24:09,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:24:08" (1/1) ... [2023-12-21 12:24:09,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:24:08" (1/1) ... [2023-12-21 12:24:09,246 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:24:08" (1/1) ... [2023-12-21 12:24:09,255 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:24:08" (1/1) ... [2023-12-21 12:24:09,270 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:24:08" (1/1) ... [2023-12-21 12:24:09,285 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:24:08" (1/1) ... [2023-12-21 12:24:09,307 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 12:24:09,308 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 12:24:09,308 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 12:24:09,308 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 12:24:09,308 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:24:08" (1/1) ... [2023-12-21 12:24:09,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 12:24:09,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 12:24:09,362 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) [2023-12-21 12:24:09,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 12:24:09,421 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-12-21 12:24:09,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-12-21 12:24:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-12-21 12:24:09,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-12-21 12:24:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-21 12:24:09,415 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 [2023-12-21 12:24:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-12-21 12:24:09,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-12-21 12:24:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-12-21 12:24:09,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-12-21 12:24:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2023-12-21 12:24:09,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2023-12-21 12:24:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-12-21 12:24:09,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-12-21 12:24:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-21 12:24:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-21 12:24:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-12-21 12:24:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-12-21 12:24:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-12-21 12:24:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-12-21 12:24:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-12-21 12:24:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-12-21 12:24:09,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-12-21 12:24:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-12-21 12:24:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-12-21 12:24:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-12-21 12:24:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-12-21 12:24:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-12-21 12:24:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-12-21 12:24:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-12-21 12:24:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-12-21 12:24:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-12-21 12:24:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-12-21 12:24:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-12-21 12:24:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-12-21 12:24:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-12-21 12:24:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-12-21 12:24:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-12-21 12:24:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-12-21 12:24:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-12-21 12:24:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-12-21 12:24:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-12-21 12:24:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-12-21 12:24:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-12-21 12:24:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-21 12:24:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2023-12-21 12:24:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2023-12-21 12:24:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-21 12:24:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-21 12:24:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-12-21 12:24:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-12-21 12:24:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-12-21 12:24:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-12-21 12:24:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-12-21 12:24:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-12-21 12:24:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-12-21 12:24:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-12-21 12:24:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-12-21 12:24:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-12-21 12:24:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-12-21 12:24:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-12-21 12:24:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-12-21 12:24:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-12-21 12:24:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-12-21 12:24:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-12-21 12:24:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-12-21 12:24:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-12-21 12:24:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-12-21 12:24:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-12-21 12:24:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-12-21 12:24:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-12-21 12:24:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-12-21 12:24:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-12-21 12:24:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2023-12-21 12:24:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2023-12-21 12:24:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-21 12:24:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-21 12:24:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-21 12:24:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-21 12:24:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-21 12:24:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-21 12:24:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-12-21 12:24:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-12-21 12:24:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-12-21 12:24:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-12-21 12:24:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-12-21 12:24:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-12-21 12:24:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-12-21 12:24:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-12-21 12:24:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-12-21 12:24:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-12-21 12:24:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-12-21 12:24:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-12-21 12:24:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-12-21 12:24:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-12-21 12:24:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-12-21 12:24:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-12-21 12:24:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-12-21 12:24:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-12-21 12:24:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 12:24:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 12:24:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-12-21 12:24:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-12-21 12:24:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-12-21 12:24:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-12-21 12:24:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-12-21 12:24:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-12-21 12:24:09,961 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 12:24:09,965 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 12:24:17,321 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 12:24:17,431 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 12:24:17,432 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-21 12:24:17,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:24:17 BoogieIcfgContainer [2023-12-21 12:24:17,432 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 12:24:17,434 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 12:24:17,434 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 12:24:17,437 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 12:24:17,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 12:24:08" (1/3) ... [2023-12-21 12:24:17,438 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15939c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 12:24:17, skipping insertion in model container [2023-12-21 12:24:17,438 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:24:08" (2/3) ... [2023-12-21 12:24:17,438 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15939c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 12:24:17, skipping insertion in model container [2023-12-21 12:24:17,438 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:24:17" (3/3) ... [2023-12-21 12:24:17,439 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_nxt.3.M1.c [2023-12-21 12:24:17,450 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 12:24:17,450 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-21 12:24:17,508 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 12:24:17,512 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;@793d3187, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 12:24:17,512 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-21 12:24:17,528 INFO L276 IsEmpty]: Start isEmpty. Operand has 1255 states, 780 states have (on average 1.2871794871794873) internal successors, (1004), 811 states have internal predecessors, (1004), 455 states have call successors, (455), 18 states have call predecessors, (455), 18 states have return successors, (455), 453 states have call predecessors, (455), 455 states have call successors, (455) [2023-12-21 12:24:17,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 874 [2023-12-21 12:24:17,605 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:24:17,622 INFO L195 NwaCegarLoop]: trace histogram [111, 111, 111, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:24:17,623 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:24:17,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:24:17,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1591512209, now seen corresponding path program 1 times [2023-12-21 12:24:17,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:24:17,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489806215] [2023-12-21 12:24:17,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:24:17,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:24:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:24:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 12:24:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 12:24:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-21 12:24:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 12:24:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-21 12:24:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-21 12:24:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-21 12:24:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 12:24:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 12:24:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 12:24:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 12:24:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-21 12:24:18,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 12:24:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-21 12:24:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-21 12:24:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-21 12:24:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-21 12:24:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-21 12:24:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-21 12:24:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-21 12:24:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-21 12:24:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-21 12:24:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-21 12:24:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-21 12:24:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-21 12:24:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-21 12:24:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-21 12:24:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-21 12:24:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-21 12:24:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-21 12:24:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-21 12:24:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-21 12:24:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-21 12:24:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-21 12:24:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-21 12:24:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-21 12:24:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-21 12:24:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-21 12:24:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-21 12:24:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-21 12:24:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-21 12:24:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-21 12:24:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-21 12:24:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-21 12:24:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:18,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-21 12:24:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-21 12:24:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-21 12:24:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-21 12:24:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-21 12:24:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-21 12:24:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-21 12:24:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-21 12:24:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-21 12:24:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-21 12:24:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-21 12:24:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-21 12:24:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-21 12:24:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-21 12:24:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-21 12:24:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-21 12:24:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-21 12:24:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-21 12:24:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-21 12:24:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-21 12:24:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-21 12:24:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-21 12:24:19,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-21 12:24:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-21 12:24:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-21 12:24:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-21 12:24:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-21 12:24:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-21 12:24:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-21 12:24:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-21 12:24:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-21 12:24:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-21 12:24:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-21 12:24:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-21 12:24:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-21 12:24:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-21 12:24:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-21 12:24:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-21 12:24:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-21 12:24:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-21 12:24:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-21 12:24:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2023-12-21 12:24:19,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-21 12:24:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2023-12-21 12:24:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-21 12:24:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2023-12-21 12:24:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2023-12-21 12:24:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2023-12-21 12:24:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2023-12-21 12:24:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2023-12-21 12:24:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2023-12-21 12:24:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2023-12-21 12:24:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2023-12-21 12:24:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2023-12-21 12:24:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2023-12-21 12:24:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 803 [2023-12-21 12:24:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2023-12-21 12:24:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2023-12-21 12:24:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2023-12-21 12:24:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-12-21 12:24:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2023-12-21 12:24:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2023-12-21 12:24:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-12-21 12:24:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2023-12-21 12:24:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-12-21 12:24:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-12-21 12:24:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:19,730 INFO L134 CoverageAnalysis]: Checked inductivity of 24420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24420 trivial. 0 not checked. [2023-12-21 12:24:19,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:24:19,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489806215] [2023-12-21 12:24:19,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489806215] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:24:19,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:24:19,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-21 12:24:19,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807042594] [2023-12-21 12:24:19,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:24:19,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-21 12:24:19,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:24:19,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-21 12:24:19,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 12:24:19,773 INFO L87 Difference]: Start difference. First operand has 1255 states, 780 states have (on average 1.2871794871794873) internal successors, (1004), 811 states have internal predecessors, (1004), 455 states have call successors, (455), 18 states have call predecessors, (455), 18 states have return successors, (455), 453 states have call predecessors, (455), 455 states have call successors, (455) Second operand has 2 states, 2 states have (on average 160.0) internal successors, (320), 2 states have internal predecessors, (320), 2 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (111), 1 states have call predecessors, (111), 2 states have call successors, (111) [2023-12-21 12:24:23,867 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 [] [2023-12-21 12:24:24,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:24:24,014 INFO L93 Difference]: Finished difference Result 2508 states and 4262 transitions. [2023-12-21 12:24:24,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-21 12:24:24,017 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 160.0) internal successors, (320), 2 states have internal predecessors, (320), 2 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (111), 1 states have call predecessors, (111), 2 states have call successors, (111) Word has length 873 [2023-12-21 12:24:24,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:24:24,037 INFO L225 Difference]: With dead ends: 2508 [2023-12-21 12:24:24,037 INFO L226 Difference]: Without dead ends: 1251 [2023-12-21 12:24:24,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 12:24:24,050 INFO L413 NwaCegarLoop]: 1883 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1883 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-12-21 12:24:24,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1883 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2023-12-21 12:24:24,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2023-12-21 12:24:24,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1251. [2023-12-21 12:24:24,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1251 states, 777 states have (on average 1.2831402831402832) internal successors, (997), 808 states have internal predecessors, (997), 455 states have call successors, (455), 18 states have call predecessors, (455), 18 states have return successors, (454), 452 states have call predecessors, (454), 454 states have call successors, (454) [2023-12-21 12:24:24,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 1251 states and 1906 transitions. [2023-12-21 12:24:24,359 INFO L78 Accepts]: Start accepts. Automaton has 1251 states and 1906 transitions. Word has length 873 [2023-12-21 12:24:24,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:24:24,360 INFO L495 AbstractCegarLoop]: Abstraction has 1251 states and 1906 transitions. [2023-12-21 12:24:24,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 160.0) internal successors, (320), 2 states have internal predecessors, (320), 2 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (111), 1 states have call predecessors, (111), 2 states have call successors, (111) [2023-12-21 12:24:24,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1906 transitions. [2023-12-21 12:24:24,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 874 [2023-12-21 12:24:24,394 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:24:24,394 INFO L195 NwaCegarLoop]: trace histogram [111, 111, 111, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:24:24,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-21 12:24:24,408 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:24:24,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:24:24,409 INFO L85 PathProgramCache]: Analyzing trace with hash -2093206285, now seen corresponding path program 1 times [2023-12-21 12:24:24,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:24:24,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822695234] [2023-12-21 12:24:24,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:24:24,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:24:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:24:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 12:24:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 12:24:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-21 12:24:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 12:24:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-21 12:24:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-21 12:24:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-21 12:24:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 12:24:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 12:24:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 12:24:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 12:24:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-21 12:24:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 12:24:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-21 12:24:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-21 12:24:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-21 12:24:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-21 12:24:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-21 12:24:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-21 12:24:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-21 12:24:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-21 12:24:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-21 12:24:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-21 12:24:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-21 12:24:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-21 12:24:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-21 12:24:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-21 12:24:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-21 12:24:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-21 12:24:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-21 12:24:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-21 12:24:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-21 12:24:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-21 12:24:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-21 12:24:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-21 12:24:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-21 12:24:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-21 12:24:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-21 12:24:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-21 12:24:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-21 12:24:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-21 12:24:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-21 12:24:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-21 12:24:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-21 12:24:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-21 12:24:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-21 12:24:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-21 12:24:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-21 12:24:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-21 12:24:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-21 12:24:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-21 12:24:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-21 12:24:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-21 12:24:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-21 12:24:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-21 12:24:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-21 12:24:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-21 12:24:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-21 12:24:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-21 12:24:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-21 12:24:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-21 12:24:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-21 12:24:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-21 12:24:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-21 12:24:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-21 12:24:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-21 12:24:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-21 12:24:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-21 12:24:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-21 12:24:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-21 12:24:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-21 12:24:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-21 12:24:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-21 12:24:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-21 12:24:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-21 12:24:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-21 12:24:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-21 12:24:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-21 12:24:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-21 12:24:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-21 12:24:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-21 12:24:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-21 12:24:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-21 12:24:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-21 12:24:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-21 12:24:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2023-12-21 12:24:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-21 12:24:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2023-12-21 12:24:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-21 12:24:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2023-12-21 12:24:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2023-12-21 12:24:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2023-12-21 12:24:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2023-12-21 12:24:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2023-12-21 12:24:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2023-12-21 12:24:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2023-12-21 12:24:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2023-12-21 12:24:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2023-12-21 12:24:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2023-12-21 12:24:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 803 [2023-12-21 12:24:27,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2023-12-21 12:24:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2023-12-21 12:24:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2023-12-21 12:24:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-12-21 12:24:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2023-12-21 12:24:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2023-12-21 12:24:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-12-21 12:24:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2023-12-21 12:24:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-12-21 12:24:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-12-21 12:24:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:27,791 INFO L134 CoverageAnalysis]: Checked inductivity of 24420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24420 trivial. 0 not checked. [2023-12-21 12:24:27,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:24:27,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822695234] [2023-12-21 12:24:27,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822695234] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:24:27,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:24:27,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 12:24:27,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222167614] [2023-12-21 12:24:27,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:24:27,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 12:24:27,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:24:27,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 12:24:27,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 12:24:27,797 INFO L87 Difference]: Start difference. First operand 1251 states and 1906 transitions. Second operand has 6 states, 5 states have (on average 64.0) internal successors, (320), 5 states have internal predecessors, (320), 2 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (111), 1 states have call predecessors, (111), 1 states have call successors, (111) [2023-12-21 12:24:31,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:24:35,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:24:39,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:24:43,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:24:44,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:24:44,355 INFO L93 Difference]: Finished difference Result 1733 states and 2644 transitions. [2023-12-21 12:24:44,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 12:24:44,356 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 64.0) internal successors, (320), 5 states have internal predecessors, (320), 2 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (111), 1 states have call predecessors, (111), 1 states have call successors, (111) Word has length 873 [2023-12-21 12:24:44,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:24:44,371 INFO L225 Difference]: With dead ends: 1733 [2023-12-21 12:24:44,371 INFO L226 Difference]: Without dead ends: 1731 [2023-12-21 12:24:44,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-21 12:24:44,376 INFO L413 NwaCegarLoop]: 1869 mSDtfsCounter, 1487 mSDsluCounter, 6225 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1487 SdHoareTripleChecker+Valid, 8094 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2023-12-21 12:24:44,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1487 Valid, 8094 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 304 Invalid, 4 Unknown, 0 Unchecked, 16.4s Time] [2023-12-21 12:24:44,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2023-12-21 12:24:44,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1729. [2023-12-21 12:24:44,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1729 states, 1051 states have (on average 1.2664129400570885) internal successors, (1331), 1108 states have internal predecessors, (1331), 644 states have call successors, (644), 33 states have call predecessors, (644), 33 states have return successors, (666), 639 states have call predecessors, (666), 642 states have call successors, (666) [2023-12-21 12:24:44,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1729 states and 2641 transitions. [2023-12-21 12:24:44,609 INFO L78 Accepts]: Start accepts. Automaton has 1729 states and 2641 transitions. Word has length 873 [2023-12-21 12:24:44,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:24:44,611 INFO L495 AbstractCegarLoop]: Abstraction has 1729 states and 2641 transitions. [2023-12-21 12:24:44,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 64.0) internal successors, (320), 5 states have internal predecessors, (320), 2 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (111), 1 states have call predecessors, (111), 1 states have call successors, (111) [2023-12-21 12:24:44,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 2641 transitions. [2023-12-21 12:24:44,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 880 [2023-12-21 12:24:44,638 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:24:44,639 INFO L195 NwaCegarLoop]: trace histogram [111, 111, 111, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:24:44,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-21 12:24:44,639 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:24:44,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:24:44,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1123339322, now seen corresponding path program 1 times [2023-12-21 12:24:44,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:24:44,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151413987] [2023-12-21 12:24:44,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:24:44,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:24:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:46,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:24:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:46,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 12:24:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:46,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 12:24:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:46,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-21 12:24:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:46,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 12:24:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:46,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-21 12:24:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:46,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-21 12:24:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:46,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-21 12:24:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:46,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 12:24:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:46,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 12:24:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 12:24:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 12:24:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-21 12:24:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 12:24:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-21 12:24:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-21 12:24:47,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-21 12:24:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-21 12:24:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-21 12:24:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-21 12:24:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-21 12:24:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-21 12:24:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-21 12:24:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-21 12:24:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-21 12:24:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-21 12:24:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-21 12:24:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-21 12:24:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-21 12:24:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-21 12:24:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-21 12:24:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-21 12:24:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-21 12:24:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-21 12:24:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-21 12:24:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-21 12:24:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-21 12:24:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-21 12:24:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-21 12:24:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-21 12:24:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-21 12:24:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-21 12:24:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-21 12:24:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-21 12:24:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-21 12:24:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-21 12:24:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-21 12:24:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-21 12:24:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-21 12:24:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-21 12:24:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-21 12:24:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-21 12:24:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-21 12:24:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-21 12:24:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-21 12:24:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-21 12:24:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-21 12:24:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-21 12:24:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-21 12:24:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-21 12:24:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-21 12:24:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-21 12:24:47,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-21 12:24:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-21 12:24:47,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-21 12:24:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-21 12:24:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-21 12:24:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-21 12:24:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-21 12:24:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-21 12:24:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-21 12:24:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-21 12:24:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-21 12:24:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-21 12:24:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-21 12:24:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-21 12:24:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-21 12:24:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-21 12:24:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-21 12:24:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-21 12:24:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-21 12:24:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-21 12:24:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-21 12:24:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-21 12:24:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-21 12:24:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-21 12:24:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2023-12-21 12:24:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-21 12:24:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2023-12-21 12:24:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-21 12:24:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2023-12-21 12:24:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2023-12-21 12:24:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2023-12-21 12:24:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2023-12-21 12:24:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2023-12-21 12:24:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2023-12-21 12:24:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2023-12-21 12:24:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2023-12-21 12:24:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2023-12-21 12:24:47,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2023-12-21 12:24:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 803 [2023-12-21 12:24:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2023-12-21 12:24:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2023-12-21 12:24:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2023-12-21 12:24:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-12-21 12:24:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2023-12-21 12:24:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2023-12-21 12:24:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-12-21 12:24:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2023-12-21 12:24:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-12-21 12:24:47,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-12-21 12:24:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2023-12-21 12:24:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:24:47,716 INFO L134 CoverageAnalysis]: Checked inductivity of 24422 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24420 trivial. 0 not checked. [2023-12-21 12:24:47,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:24:47,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151413987] [2023-12-21 12:24:47,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151413987] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:24:47,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:24:47,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 12:24:47,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378880442] [2023-12-21 12:24:47,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:24:47,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 12:24:47,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:24:47,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 12:24:47,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 12:24:47,726 INFO L87 Difference]: Start difference. First operand 1729 states and 2641 transitions. Second operand has 6 states, 5 states have (on average 64.8) internal successors, (324), 5 states have internal predecessors, (324), 2 states have call successors, (113), 2 states have call predecessors, (113), 1 states have return successors, (112), 1 states have call predecessors, (112), 1 states have call successors, (112) [2023-12-21 12:24:51,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:24:55,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:24:59,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:25:03,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:25:04,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:25:04,285 INFO L93 Difference]: Finished difference Result 1737 states and 2647 transitions. [2023-12-21 12:25:04,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 12:25:04,286 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 64.8) internal successors, (324), 5 states have internal predecessors, (324), 2 states have call successors, (113), 2 states have call predecessors, (113), 1 states have return successors, (112), 1 states have call predecessors, (112), 1 states have call successors, (112) Word has length 879 [2023-12-21 12:25:04,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:25:04,302 INFO L225 Difference]: With dead ends: 1737 [2023-12-21 12:25:04,302 INFO L226 Difference]: Without dead ends: 1735 [2023-12-21 12:25:04,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-21 12:25:04,304 INFO L413 NwaCegarLoop]: 1872 mSDtfsCounter, 1482 mSDsluCounter, 6228 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1482 SdHoareTripleChecker+Valid, 8100 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2023-12-21 12:25:04,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1482 Valid, 8100 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 304 Invalid, 4 Unknown, 0 Unchecked, 16.4s Time] [2023-12-21 12:25:04,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2023-12-21 12:25:04,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1733. [2023-12-21 12:25:04,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1733 states, 1054 states have (on average 1.2656546489563567) internal successors, (1334), 1111 states have internal predecessors, (1334), 644 states have call successors, (644), 34 states have call predecessors, (644), 34 states have return successors, (666), 639 states have call predecessors, (666), 642 states have call successors, (666) [2023-12-21 12:25:04,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1733 states and 2644 transitions. [2023-12-21 12:25:04,547 INFO L78 Accepts]: Start accepts. Automaton has 1733 states and 2644 transitions. Word has length 879 [2023-12-21 12:25:04,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:25:04,548 INFO L495 AbstractCegarLoop]: Abstraction has 1733 states and 2644 transitions. [2023-12-21 12:25:04,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 64.8) internal successors, (324), 5 states have internal predecessors, (324), 2 states have call successors, (113), 2 states have call predecessors, (113), 1 states have return successors, (112), 1 states have call predecessors, (112), 1 states have call successors, (112) [2023-12-21 12:25:04,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2644 transitions. [2023-12-21 12:25:04,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 886 [2023-12-21 12:25:04,564 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:25:04,564 INFO L195 NwaCegarLoop]: trace histogram [111, 111, 111, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:25:04,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-21 12:25:04,564 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:25:04,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:25:04,565 INFO L85 PathProgramCache]: Analyzing trace with hash -721331393, now seen corresponding path program 1 times [2023-12-21 12:25:04,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:25:04,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578693690] [2023-12-21 12:25:04,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:25:04,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:25:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:25:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 12:25:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 12:25:05,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-21 12:25:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 12:25:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-21 12:25:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-21 12:25:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-21 12:25:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 12:25:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 12:25:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 12:25:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 12:25:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-21 12:25:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 12:25:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-21 12:25:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-21 12:25:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-21 12:25:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-21 12:25:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-21 12:25:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-21 12:25:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-21 12:25:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-21 12:25:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-21 12:25:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-21 12:25:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-21 12:25:05,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-21 12:25:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-21 12:25:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-21 12:25:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-21 12:25:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-21 12:25:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-21 12:25:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-21 12:25:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-21 12:25:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-21 12:25:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-21 12:25:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-21 12:25:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-21 12:25:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-21 12:25:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-21 12:25:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-21 12:25:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-21 12:25:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-21 12:25:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-21 12:25:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-21 12:25:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-21 12:25:05,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-21 12:25:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-21 12:25:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-21 12:25:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-21 12:25:05,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-21 12:25:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-21 12:25:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:05,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-21 12:25:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-21 12:25:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-21 12:25:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-21 12:25:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-21 12:25:06,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-21 12:25:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-21 12:25:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-21 12:25:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-21 12:25:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-21 12:25:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-21 12:25:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-21 12:25:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-21 12:25:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-21 12:25:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-21 12:25:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-21 12:25:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-21 12:25:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-21 12:25:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-21 12:25:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-21 12:25:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-21 12:25:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-21 12:25:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-21 12:25:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-21 12:25:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-21 12:25:06,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-21 12:25:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-21 12:25:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-21 12:25:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-21 12:25:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-21 12:25:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-21 12:25:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-21 12:25:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-21 12:25:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-21 12:25:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-21 12:25:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2023-12-21 12:25:06,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-21 12:25:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2023-12-21 12:25:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-21 12:25:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2023-12-21 12:25:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2023-12-21 12:25:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2023-12-21 12:25:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2023-12-21 12:25:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2023-12-21 12:25:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2023-12-21 12:25:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2023-12-21 12:25:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2023-12-21 12:25:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2023-12-21 12:25:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2023-12-21 12:25:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 803 [2023-12-21 12:25:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2023-12-21 12:25:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2023-12-21 12:25:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2023-12-21 12:25:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-12-21 12:25:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2023-12-21 12:25:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2023-12-21 12:25:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-12-21 12:25:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2023-12-21 12:25:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-12-21 12:25:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-12-21 12:25:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2023-12-21 12:25:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 875 [2023-12-21 12:25:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:06,587 INFO L134 CoverageAnalysis]: Checked inductivity of 24428 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 24424 trivial. 0 not checked. [2023-12-21 12:25:06,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:25:06,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578693690] [2023-12-21 12:25:06,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578693690] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:25:06,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:25:06,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 12:25:06,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890288348] [2023-12-21 12:25:06,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:25:06,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 12:25:06,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:25:06,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 12:25:06,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 12:25:06,594 INFO L87 Difference]: Start difference. First operand 1733 states and 2644 transitions. Second operand has 6 states, 5 states have (on average 65.0) internal successors, (325), 5 states have internal predecessors, (325), 2 states have call successors, (114), 2 states have call predecessors, (114), 1 states have return successors, (113), 1 states have call predecessors, (113), 1 states have call successors, (113) [2023-12-21 12:25:10,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:25:14,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:25:18,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:25:22,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:25:23,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:25:23,234 INFO L93 Difference]: Finished difference Result 1741 states and 2650 transitions. [2023-12-21 12:25:23,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 12:25:23,235 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 65.0) internal successors, (325), 5 states have internal predecessors, (325), 2 states have call successors, (114), 2 states have call predecessors, (114), 1 states have return successors, (113), 1 states have call predecessors, (113), 1 states have call successors, (113) Word has length 885 [2023-12-21 12:25:23,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:25:23,244 INFO L225 Difference]: With dead ends: 1741 [2023-12-21 12:25:23,244 INFO L226 Difference]: Without dead ends: 1739 [2023-12-21 12:25:23,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-21 12:25:23,247 INFO L413 NwaCegarLoop]: 1872 mSDtfsCounter, 1480 mSDsluCounter, 6228 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1480 SdHoareTripleChecker+Valid, 8100 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2023-12-21 12:25:23,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1480 Valid, 8100 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 304 Invalid, 4 Unknown, 0 Unchecked, 16.4s Time] [2023-12-21 12:25:23,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1739 states. [2023-12-21 12:25:23,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1739 to 1737. [2023-12-21 12:25:23,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1737 states, 1057 states have (on average 1.2649006622516556) internal successors, (1337), 1114 states have internal predecessors, (1337), 644 states have call successors, (644), 35 states have call predecessors, (644), 35 states have return successors, (666), 639 states have call predecessors, (666), 642 states have call successors, (666) [2023-12-21 12:25:23,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1737 states to 1737 states and 2647 transitions. [2023-12-21 12:25:23,478 INFO L78 Accepts]: Start accepts. Automaton has 1737 states and 2647 transitions. Word has length 885 [2023-12-21 12:25:23,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:25:23,480 INFO L495 AbstractCegarLoop]: Abstraction has 1737 states and 2647 transitions. [2023-12-21 12:25:23,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 65.0) internal successors, (325), 5 states have internal predecessors, (325), 2 states have call successors, (114), 2 states have call predecessors, (114), 1 states have return successors, (113), 1 states have call predecessors, (113), 1 states have call successors, (113) [2023-12-21 12:25:23,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1737 states and 2647 transitions. [2023-12-21 12:25:23,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 892 [2023-12-21 12:25:23,497 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:25:23,497 INFO L195 NwaCegarLoop]: trace histogram [111, 111, 111, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:25:23,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-21 12:25:23,498 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:25:23,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:25:23,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1428986754, now seen corresponding path program 1 times [2023-12-21 12:25:23,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:25:23,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277074838] [2023-12-21 12:25:23,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:25:23,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:25:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:25:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 12:25:25,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 12:25:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-21 12:25:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 12:25:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-21 12:25:25,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-21 12:25:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-21 12:25:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 12:25:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 12:25:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 12:25:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 12:25:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-21 12:25:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 12:25:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-21 12:25:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-21 12:25:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-21 12:25:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-21 12:25:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-21 12:25:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-21 12:25:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-21 12:25:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-21 12:25:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-21 12:25:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-21 12:25:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-21 12:25:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-21 12:25:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-21 12:25:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-21 12:25:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-21 12:25:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-21 12:25:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-21 12:25:25,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-21 12:25:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-21 12:25:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-21 12:25:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-21 12:25:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-21 12:25:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-21 12:25:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-21 12:25:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-21 12:25:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-21 12:25:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-21 12:25:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-21 12:25:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-21 12:25:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-21 12:25:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-21 12:25:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-21 12:25:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-21 12:25:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-21 12:25:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-21 12:25:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-21 12:25:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-21 12:25:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-21 12:25:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-21 12:25:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-21 12:25:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-21 12:25:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-21 12:25:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-21 12:25:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-21 12:25:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-21 12:25:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-21 12:25:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-21 12:25:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-21 12:25:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-21 12:25:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-21 12:25:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-21 12:25:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-21 12:25:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-21 12:25:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-21 12:25:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-21 12:25:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-21 12:25:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-21 12:25:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-21 12:25:25,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-21 12:25:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-21 12:25:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-21 12:25:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-21 12:25:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-21 12:25:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-21 12:25:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-21 12:25:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-21 12:25:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-21 12:25:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-21 12:25:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-21 12:25:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-21 12:25:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-21 12:25:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-21 12:25:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2023-12-21 12:25:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-21 12:25:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2023-12-21 12:25:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-21 12:25:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2023-12-21 12:25:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2023-12-21 12:25:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:25,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2023-12-21 12:25:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:26,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2023-12-21 12:25:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:26,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2023-12-21 12:25:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:26,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2023-12-21 12:25:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:26,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2023-12-21 12:25:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:26,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2023-12-21 12:25:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:26,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2023-12-21 12:25:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:26,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2023-12-21 12:25:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:26,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 803 [2023-12-21 12:25:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:26,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2023-12-21 12:25:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:26,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2023-12-21 12:25:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:26,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2023-12-21 12:25:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:26,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-12-21 12:25:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:26,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2023-12-21 12:25:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:26,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2023-12-21 12:25:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:26,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-12-21 12:25:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:26,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2023-12-21 12:25:26,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:26,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-12-21 12:25:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:26,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-12-21 12:25:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:26,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2023-12-21 12:25:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:26,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 875 [2023-12-21 12:25:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:26,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2023-12-21 12:25:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:26,362 INFO L134 CoverageAnalysis]: Checked inductivity of 24438 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24432 trivial. 0 not checked. [2023-12-21 12:25:26,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:25:26,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277074838] [2023-12-21 12:25:26,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277074838] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:25:26,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:25:26,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 12:25:26,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062898877] [2023-12-21 12:25:26,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:25:26,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 12:25:26,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:25:26,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 12:25:26,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 12:25:26,374 INFO L87 Difference]: Start difference. First operand 1737 states and 2647 transitions. Second operand has 6 states, 5 states have (on average 65.2) internal successors, (326), 5 states have internal predecessors, (326), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (114), 1 states have call predecessors, (114), 1 states have call successors, (114) [2023-12-21 12:25:30,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:25:34,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:25:38,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:25:42,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:25:43,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:25:43,015 INFO L93 Difference]: Finished difference Result 1745 states and 2653 transitions. [2023-12-21 12:25:43,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 12:25:43,016 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 65.2) internal successors, (326), 5 states have internal predecessors, (326), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (114), 1 states have call predecessors, (114), 1 states have call successors, (114) Word has length 891 [2023-12-21 12:25:43,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:25:43,025 INFO L225 Difference]: With dead ends: 1745 [2023-12-21 12:25:43,025 INFO L226 Difference]: Without dead ends: 1743 [2023-12-21 12:25:43,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-21 12:25:43,026 INFO L413 NwaCegarLoop]: 1872 mSDtfsCounter, 1478 mSDsluCounter, 6228 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1478 SdHoareTripleChecker+Valid, 8100 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2023-12-21 12:25:43,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1478 Valid, 8100 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 304 Invalid, 4 Unknown, 0 Unchecked, 16.5s Time] [2023-12-21 12:25:43,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1743 states. [2023-12-21 12:25:43,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1743 to 1741. [2023-12-21 12:25:43,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1741 states, 1060 states have (on average 1.2641509433962264) internal successors, (1340), 1117 states have internal predecessors, (1340), 644 states have call successors, (644), 36 states have call predecessors, (644), 36 states have return successors, (666), 639 states have call predecessors, (666), 642 states have call successors, (666) [2023-12-21 12:25:43,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 2650 transitions. [2023-12-21 12:25:43,267 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 2650 transitions. Word has length 891 [2023-12-21 12:25:43,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:25:43,269 INFO L495 AbstractCegarLoop]: Abstraction has 1741 states and 2650 transitions. [2023-12-21 12:25:43,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 65.2) internal successors, (326), 5 states have internal predecessors, (326), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (114), 1 states have call predecessors, (114), 1 states have call successors, (114) [2023-12-21 12:25:43,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2650 transitions. [2023-12-21 12:25:43,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 898 [2023-12-21 12:25:43,285 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:25:43,285 INFO L195 NwaCegarLoop]: trace histogram [111, 111, 111, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:25:43,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-21 12:25:43,286 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:25:43,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:25:43,286 INFO L85 PathProgramCache]: Analyzing trace with hash 867182211, now seen corresponding path program 1 times [2023-12-21 12:25:43,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:25:43,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673702563] [2023-12-21 12:25:43,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:25:43,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:25:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:25:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 12:25:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 12:25:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-21 12:25:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 12:25:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-21 12:25:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-21 12:25:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-21 12:25:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 12:25:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 12:25:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 12:25:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 12:25:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-21 12:25:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 12:25:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-21 12:25:44,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-21 12:25:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-21 12:25:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-21 12:25:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-21 12:25:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-21 12:25:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-21 12:25:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-21 12:25:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-21 12:25:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-21 12:25:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-21 12:25:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-21 12:25:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-21 12:25:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-21 12:25:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-21 12:25:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-21 12:25:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-21 12:25:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-21 12:25:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-21 12:25:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-21 12:25:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-21 12:25:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-21 12:25:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-21 12:25:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-21 12:25:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-21 12:25:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-21 12:25:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-21 12:25:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-21 12:25:44,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-21 12:25:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-21 12:25:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-21 12:25:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-21 12:25:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-21 12:25:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-21 12:25:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-21 12:25:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-21 12:25:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-21 12:25:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-21 12:25:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-21 12:25:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-21 12:25:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-21 12:25:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-21 12:25:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-21 12:25:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-21 12:25:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-21 12:25:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-21 12:25:44,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-21 12:25:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-21 12:25:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-21 12:25:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-21 12:25:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-21 12:25:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-21 12:25:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-21 12:25:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-21 12:25:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-21 12:25:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-21 12:25:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-21 12:25:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-21 12:25:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-21 12:25:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-21 12:25:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-21 12:25:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-21 12:25:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-21 12:25:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-21 12:25:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-21 12:25:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-21 12:25:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-21 12:25:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-21 12:25:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-21 12:25:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-21 12:25:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-21 12:25:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-21 12:25:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2023-12-21 12:25:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-21 12:25:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2023-12-21 12:25:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-21 12:25:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2023-12-21 12:25:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2023-12-21 12:25:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2023-12-21 12:25:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2023-12-21 12:25:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2023-12-21 12:25:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2023-12-21 12:25:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2023-12-21 12:25:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2023-12-21 12:25:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2023-12-21 12:25:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2023-12-21 12:25:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 803 [2023-12-21 12:25:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2023-12-21 12:25:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2023-12-21 12:25:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2023-12-21 12:25:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-12-21 12:25:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2023-12-21 12:25:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2023-12-21 12:25:44,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-12-21 12:25:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2023-12-21 12:25:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-12-21 12:25:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-12-21 12:25:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2023-12-21 12:25:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 875 [2023-12-21 12:25:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2023-12-21 12:25:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 887 [2023-12-21 12:25:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:25:44,738 INFO L134 CoverageAnalysis]: Checked inductivity of 24452 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24444 trivial. 0 not checked. [2023-12-21 12:25:44,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:25:44,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673702563] [2023-12-21 12:25:44,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673702563] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:25:44,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:25:44,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 12:25:44,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166851159] [2023-12-21 12:25:44,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:25:44,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 12:25:44,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:25:44,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 12:25:44,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 12:25:44,741 INFO L87 Difference]: Start difference. First operand 1741 states and 2650 transitions. Second operand has 6 states, 5 states have (on average 65.4) internal successors, (327), 5 states have internal predecessors, (327), 2 states have call successors, (116), 2 states have call predecessors, (116), 1 states have return successors, (115), 1 states have call predecessors, (115), 1 states have call successors, (115) [2023-12-21 12:25:48,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:25:52,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:25:56,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:26:00,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:26:01,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:26:01,473 INFO L93 Difference]: Finished difference Result 1749 states and 2656 transitions. [2023-12-21 12:26:01,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 12:26:01,473 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 65.4) internal successors, (327), 5 states have internal predecessors, (327), 2 states have call successors, (116), 2 states have call predecessors, (116), 1 states have return successors, (115), 1 states have call predecessors, (115), 1 states have call successors, (115) Word has length 897 [2023-12-21 12:26:01,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:26:01,483 INFO L225 Difference]: With dead ends: 1749 [2023-12-21 12:26:01,484 INFO L226 Difference]: Without dead ends: 1747 [2023-12-21 12:26:01,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-21 12:26:01,485 INFO L413 NwaCegarLoop]: 1872 mSDtfsCounter, 1476 mSDsluCounter, 6228 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1476 SdHoareTripleChecker+Valid, 8100 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2023-12-21 12:26:01,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1476 Valid, 8100 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 304 Invalid, 4 Unknown, 0 Unchecked, 16.5s Time] [2023-12-21 12:26:01,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2023-12-21 12:26:01,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1745. [2023-12-21 12:26:01,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1745 states, 1063 states have (on average 1.2634054562558796) internal successors, (1343), 1120 states have internal predecessors, (1343), 644 states have call successors, (644), 37 states have call predecessors, (644), 37 states have return successors, (666), 639 states have call predecessors, (666), 642 states have call successors, (666) [2023-12-21 12:26:01,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1745 states and 2653 transitions. [2023-12-21 12:26:01,690 INFO L78 Accepts]: Start accepts. Automaton has 1745 states and 2653 transitions. Word has length 897 [2023-12-21 12:26:01,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:26:01,691 INFO L495 AbstractCegarLoop]: Abstraction has 1745 states and 2653 transitions. [2023-12-21 12:26:01,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 65.4) internal successors, (327), 5 states have internal predecessors, (327), 2 states have call successors, (116), 2 states have call predecessors, (116), 1 states have return successors, (115), 1 states have call predecessors, (115), 1 states have call successors, (115) [2023-12-21 12:26:01,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2653 transitions. [2023-12-21 12:26:01,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 904 [2023-12-21 12:26:01,711 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:26:01,711 INFO L195 NwaCegarLoop]: trace histogram [111, 111, 111, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:26:01,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-21 12:26:01,712 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:26:01,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:26:01,712 INFO L85 PathProgramCache]: Analyzing trace with hash 512521666, now seen corresponding path program 1 times [2023-12-21 12:26:01,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:26:01,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49548812] [2023-12-21 12:26:01,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:26:01,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:26:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:26:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 12:26:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 12:26:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-21 12:26:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 12:26:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-21 12:26:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-21 12:26:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-21 12:26:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 12:26:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 12:26:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 12:26:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 12:26:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-21 12:26:02,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 12:26:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-21 12:26:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-21 12:26:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-21 12:26:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-21 12:26:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-21 12:26:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-21 12:26:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-21 12:26:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-21 12:26:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-21 12:26:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-21 12:26:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-21 12:26:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-21 12:26:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-21 12:26:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-21 12:26:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-21 12:26:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-21 12:26:02,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-21 12:26:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-21 12:26:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-21 12:26:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-21 12:26:02,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-21 12:26:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-21 12:26:02,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-21 12:26:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-21 12:26:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-21 12:26:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-21 12:26:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-21 12:26:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-21 12:26:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-21 12:26:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-21 12:26:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-21 12:26:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-21 12:26:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-21 12:26:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-21 12:26:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-21 12:26:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-21 12:26:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-21 12:26:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-21 12:26:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-21 12:26:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-21 12:26:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-21 12:26:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-21 12:26:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-21 12:26:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-21 12:26:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-21 12:26:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-21 12:26:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-21 12:26:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-21 12:26:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-21 12:26:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-21 12:26:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-21 12:26:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-21 12:26:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-21 12:26:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:02,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-21 12:26:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-21 12:26:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-21 12:26:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-21 12:26:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-21 12:26:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-21 12:26:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-21 12:26:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-21 12:26:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-21 12:26:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-21 12:26:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-21 12:26:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-21 12:26:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-21 12:26:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-21 12:26:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-21 12:26:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-21 12:26:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-21 12:26:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-21 12:26:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-21 12:26:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2023-12-21 12:26:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-21 12:26:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2023-12-21 12:26:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-21 12:26:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2023-12-21 12:26:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2023-12-21 12:26:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2023-12-21 12:26:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2023-12-21 12:26:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2023-12-21 12:26:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2023-12-21 12:26:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2023-12-21 12:26:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2023-12-21 12:26:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2023-12-21 12:26:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2023-12-21 12:26:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 803 [2023-12-21 12:26:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2023-12-21 12:26:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2023-12-21 12:26:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2023-12-21 12:26:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-12-21 12:26:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2023-12-21 12:26:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2023-12-21 12:26:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-12-21 12:26:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2023-12-21 12:26:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-12-21 12:26:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-12-21 12:26:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2023-12-21 12:26:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 875 [2023-12-21 12:26:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2023-12-21 12:26:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 887 [2023-12-21 12:26:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2023-12-21 12:26:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:03,254 INFO L134 CoverageAnalysis]: Checked inductivity of 24470 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24460 trivial. 0 not checked. [2023-12-21 12:26:03,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:26:03,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49548812] [2023-12-21 12:26:03,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49548812] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:26:03,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:26:03,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 12:26:03,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187003797] [2023-12-21 12:26:03,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:26:03,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 12:26:03,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:26:03,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 12:26:03,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 12:26:03,257 INFO L87 Difference]: Start difference. First operand 1745 states and 2653 transitions. Second operand has 6 states, 5 states have (on average 65.6) internal successors, (328), 5 states have internal predecessors, (328), 2 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (116), 1 states have call predecessors, (116), 1 states have call successors, (116) [2023-12-21 12:26:07,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:26:11,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:26:15,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:26:19,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:26:19,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:26:19,910 INFO L93 Difference]: Finished difference Result 1753 states and 2659 transitions. [2023-12-21 12:26:19,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 12:26:19,910 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 65.6) internal successors, (328), 5 states have internal predecessors, (328), 2 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (116), 1 states have call predecessors, (116), 1 states have call successors, (116) Word has length 903 [2023-12-21 12:26:19,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:26:19,920 INFO L225 Difference]: With dead ends: 1753 [2023-12-21 12:26:19,920 INFO L226 Difference]: Without dead ends: 1751 [2023-12-21 12:26:19,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-21 12:26:19,923 INFO L413 NwaCegarLoop]: 1872 mSDtfsCounter, 1474 mSDsluCounter, 6228 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1474 SdHoareTripleChecker+Valid, 8100 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2023-12-21 12:26:19,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1474 Valid, 8100 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 304 Invalid, 4 Unknown, 0 Unchecked, 16.5s Time] [2023-12-21 12:26:19,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1751 states. [2023-12-21 12:26:20,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1751 to 1749. [2023-12-21 12:26:20,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1749 states, 1066 states have (on average 1.2626641651031896) internal successors, (1346), 1123 states have internal predecessors, (1346), 644 states have call successors, (644), 38 states have call predecessors, (644), 38 states have return successors, (666), 639 states have call predecessors, (666), 642 states have call successors, (666) [2023-12-21 12:26:20,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 1749 states and 2656 transitions. [2023-12-21 12:26:20,132 INFO L78 Accepts]: Start accepts. Automaton has 1749 states and 2656 transitions. Word has length 903 [2023-12-21 12:26:20,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:26:20,133 INFO L495 AbstractCegarLoop]: Abstraction has 1749 states and 2656 transitions. [2023-12-21 12:26:20,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 65.6) internal successors, (328), 5 states have internal predecessors, (328), 2 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (116), 1 states have call predecessors, (116), 1 states have call successors, (116) [2023-12-21 12:26:20,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 2656 transitions. [2023-12-21 12:26:20,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 910 [2023-12-21 12:26:20,149 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:26:20,149 INFO L195 NwaCegarLoop]: trace histogram [111, 111, 111, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:26:20,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-21 12:26:20,149 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:26:20,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:26:20,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1998527809, now seen corresponding path program 1 times [2023-12-21 12:26:20,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:26:20,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839541588] [2023-12-21 12:26:20,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:26:20,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:26:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:26:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 12:26:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 12:26:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-21 12:26:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 12:26:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-21 12:26:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-21 12:26:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-21 12:26:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 12:26:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 12:26:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 12:26:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 12:26:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-21 12:26:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 12:26:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-21 12:26:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-21 12:26:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-21 12:26:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-21 12:26:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-21 12:26:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-21 12:26:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-21 12:26:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-21 12:26:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-21 12:26:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-21 12:26:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-21 12:26:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-21 12:26:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-21 12:26:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-21 12:26:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-21 12:26:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-21 12:26:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-21 12:26:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-21 12:26:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-21 12:26:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-21 12:26:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-21 12:26:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-21 12:26:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-21 12:26:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-21 12:26:22,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-21 12:26:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-21 12:26:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-21 12:26:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-21 12:26:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-21 12:26:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-21 12:26:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-21 12:26:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-21 12:26:22,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-21 12:26:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-21 12:26:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-21 12:26:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-21 12:26:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-21 12:26:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-21 12:26:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-21 12:26:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-21 12:26:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-21 12:26:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-21 12:26:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-21 12:26:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-21 12:26:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-21 12:26:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-21 12:26:22,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-21 12:26:22,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-21 12:26:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-21 12:26:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-21 12:26:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-21 12:26:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-21 12:26:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-21 12:26:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-21 12:26:22,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-21 12:26:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-21 12:26:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-21 12:26:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-21 12:26:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-21 12:26:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-21 12:26:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-21 12:26:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-21 12:26:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-21 12:26:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-21 12:26:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-21 12:26:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-21 12:26:22,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-21 12:26:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-21 12:26:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-21 12:26:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-21 12:26:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-21 12:26:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-21 12:26:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2023-12-21 12:26:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-21 12:26:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2023-12-21 12:26:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-21 12:26:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2023-12-21 12:26:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2023-12-21 12:26:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2023-12-21 12:26:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2023-12-21 12:26:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2023-12-21 12:26:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2023-12-21 12:26:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2023-12-21 12:26:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2023-12-21 12:26:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2023-12-21 12:26:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2023-12-21 12:26:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 803 [2023-12-21 12:26:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2023-12-21 12:26:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2023-12-21 12:26:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2023-12-21 12:26:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-12-21 12:26:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2023-12-21 12:26:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2023-12-21 12:26:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-12-21 12:26:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2023-12-21 12:26:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-12-21 12:26:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-12-21 12:26:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2023-12-21 12:26:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 875 [2023-12-21 12:26:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2023-12-21 12:26:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 887 [2023-12-21 12:26:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2023-12-21 12:26:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2023-12-21 12:26:22,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:22,670 INFO L134 CoverageAnalysis]: Checked inductivity of 24492 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 24480 trivial. 0 not checked. [2023-12-21 12:26:22,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:26:22,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839541588] [2023-12-21 12:26:22,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839541588] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:26:22,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:26:22,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 12:26:22,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311218682] [2023-12-21 12:26:22,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:26:22,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 12:26:22,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:26:22,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 12:26:22,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 12:26:22,674 INFO L87 Difference]: Start difference. First operand 1749 states and 2656 transitions. Second operand has 6 states, 5 states have (on average 65.8) internal successors, (329), 5 states have internal predecessors, (329), 2 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (117), 1 states have call predecessors, (117), 1 states have call successors, (117) [2023-12-21 12:26:26,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:26:30,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:26:34,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:26:38,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:26:39,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:26:39,186 INFO L93 Difference]: Finished difference Result 1757 states and 2662 transitions. [2023-12-21 12:26:39,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 12:26:39,187 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 65.8) internal successors, (329), 5 states have internal predecessors, (329), 2 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (117), 1 states have call predecessors, (117), 1 states have call successors, (117) Word has length 909 [2023-12-21 12:26:39,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:26:39,197 INFO L225 Difference]: With dead ends: 1757 [2023-12-21 12:26:39,198 INFO L226 Difference]: Without dead ends: 1755 [2023-12-21 12:26:39,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-21 12:26:39,200 INFO L413 NwaCegarLoop]: 1872 mSDtfsCounter, 1472 mSDsluCounter, 6228 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1472 SdHoareTripleChecker+Valid, 8100 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2023-12-21 12:26:39,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1472 Valid, 8100 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 304 Invalid, 4 Unknown, 0 Unchecked, 16.4s Time] [2023-12-21 12:26:39,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2023-12-21 12:26:39,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1753. [2023-12-21 12:26:39,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1753 states, 1069 states have (on average 1.2619270346117868) internal successors, (1349), 1126 states have internal predecessors, (1349), 644 states have call successors, (644), 39 states have call predecessors, (644), 39 states have return successors, (666), 639 states have call predecessors, (666), 642 states have call successors, (666) [2023-12-21 12:26:39,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 1753 states and 2659 transitions. [2023-12-21 12:26:39,437 INFO L78 Accepts]: Start accepts. Automaton has 1753 states and 2659 transitions. Word has length 909 [2023-12-21 12:26:39,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:26:39,438 INFO L495 AbstractCegarLoop]: Abstraction has 1753 states and 2659 transitions. [2023-12-21 12:26:39,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 65.8) internal successors, (329), 5 states have internal predecessors, (329), 2 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (117), 1 states have call predecessors, (117), 1 states have call successors, (117) [2023-12-21 12:26:39,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2659 transitions. [2023-12-21 12:26:39,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 916 [2023-12-21 12:26:39,453 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:26:39,454 INFO L195 NwaCegarLoop]: trace histogram [111, 111, 111, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:26:39,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-21 12:26:39,454 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:26:39,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:26:39,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1346610938, now seen corresponding path program 1 times [2023-12-21 12:26:39,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:26:39,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864488917] [2023-12-21 12:26:39,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:26:39,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:26:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:40,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:26:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:40,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 12:26:40,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:40,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 12:26:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:40,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-21 12:26:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:40,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 12:26:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:40,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-21 12:26:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:40,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-21 12:26:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:40,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-21 12:26:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:40,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 12:26:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:40,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 12:26:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:40,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 12:26:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:40,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 12:26:40,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:40,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-21 12:26:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:40,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 12:26:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:40,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-21 12:26:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:40,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-21 12:26:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:40,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-21 12:26:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:40,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-21 12:26:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:40,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-21 12:26:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:40,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-21 12:26:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:40,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-21 12:26:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:40,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-21 12:26:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:40,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-21 12:26:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:40,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-21 12:26:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:40,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-21 12:26:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-21 12:26:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-21 12:26:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-21 12:26:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-21 12:26:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-21 12:26:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-21 12:26:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-21 12:26:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-21 12:26:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-21 12:26:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-21 12:26:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-21 12:26:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-21 12:26:41,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-21 12:26:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-21 12:26:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-21 12:26:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-21 12:26:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-21 12:26:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-21 12:26:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-21 12:26:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-21 12:26:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-21 12:26:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-21 12:26:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-21 12:26:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-21 12:26:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-21 12:26:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-21 12:26:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-21 12:26:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-21 12:26:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-21 12:26:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-21 12:26:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-21 12:26:41,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-21 12:26:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-21 12:26:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-21 12:26:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-21 12:26:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-21 12:26:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-21 12:26:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-21 12:26:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-21 12:26:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-21 12:26:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-21 12:26:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-21 12:26:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-21 12:26:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-21 12:26:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-21 12:26:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-21 12:26:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-21 12:26:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-21 12:26:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-21 12:26:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-21 12:26:41,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-21 12:26:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-21 12:26:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-21 12:26:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-21 12:26:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-21 12:26:41,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-21 12:26:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-21 12:26:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-21 12:26:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-21 12:26:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-21 12:26:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-21 12:26:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2023-12-21 12:26:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-21 12:26:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2023-12-21 12:26:41,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-21 12:26:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2023-12-21 12:26:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2023-12-21 12:26:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2023-12-21 12:26:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2023-12-21 12:26:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2023-12-21 12:26:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2023-12-21 12:26:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2023-12-21 12:26:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2023-12-21 12:26:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2023-12-21 12:26:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2023-12-21 12:26:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 803 [2023-12-21 12:26:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2023-12-21 12:26:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2023-12-21 12:26:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2023-12-21 12:26:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-12-21 12:26:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2023-12-21 12:26:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2023-12-21 12:26:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-12-21 12:26:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2023-12-21 12:26:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-12-21 12:26:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-12-21 12:26:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2023-12-21 12:26:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 875 [2023-12-21 12:26:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2023-12-21 12:26:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 887 [2023-12-21 12:26:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2023-12-21 12:26:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2023-12-21 12:26:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 905 [2023-12-21 12:26:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:41,815 INFO L134 CoverageAnalysis]: Checked inductivity of 24518 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 24504 trivial. 0 not checked. [2023-12-21 12:26:41,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:26:41,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864488917] [2023-12-21 12:26:41,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864488917] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:26:41,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:26:41,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 12:26:41,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368173728] [2023-12-21 12:26:41,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:26:41,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 12:26:41,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:26:41,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 12:26:41,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 12:26:41,818 INFO L87 Difference]: Start difference. First operand 1753 states and 2659 transitions. Second operand has 6 states, 5 states have (on average 66.0) internal successors, (330), 5 states have internal predecessors, (330), 2 states have call successors, (119), 2 states have call predecessors, (119), 1 states have return successors, (118), 1 states have call predecessors, (118), 1 states have call successors, (118) [2023-12-21 12:26:45,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:26:49,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:26:53,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:26:57,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:26:58,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:26:58,439 INFO L93 Difference]: Finished difference Result 1761 states and 2665 transitions. [2023-12-21 12:26:58,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 12:26:58,440 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 66.0) internal successors, (330), 5 states have internal predecessors, (330), 2 states have call successors, (119), 2 states have call predecessors, (119), 1 states have return successors, (118), 1 states have call predecessors, (118), 1 states have call successors, (118) Word has length 915 [2023-12-21 12:26:58,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:26:58,450 INFO L225 Difference]: With dead ends: 1761 [2023-12-21 12:26:58,450 INFO L226 Difference]: Without dead ends: 1759 [2023-12-21 12:26:58,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-21 12:26:58,452 INFO L413 NwaCegarLoop]: 1872 mSDtfsCounter, 1470 mSDsluCounter, 6228 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1470 SdHoareTripleChecker+Valid, 8100 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2023-12-21 12:26:58,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1470 Valid, 8100 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 304 Invalid, 4 Unknown, 0 Unchecked, 16.4s Time] [2023-12-21 12:26:58,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1759 states. [2023-12-21 12:26:58,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1759 to 1757. [2023-12-21 12:26:58,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1757 states, 1072 states have (on average 1.2611940298507462) internal successors, (1352), 1129 states have internal predecessors, (1352), 644 states have call successors, (644), 40 states have call predecessors, (644), 40 states have return successors, (666), 639 states have call predecessors, (666), 642 states have call successors, (666) [2023-12-21 12:26:58,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 1757 states and 2662 transitions. [2023-12-21 12:26:58,685 INFO L78 Accepts]: Start accepts. Automaton has 1757 states and 2662 transitions. Word has length 915 [2023-12-21 12:26:58,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:26:58,686 INFO L495 AbstractCegarLoop]: Abstraction has 1757 states and 2662 transitions. [2023-12-21 12:26:58,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 66.0) internal successors, (330), 5 states have internal predecessors, (330), 2 states have call successors, (119), 2 states have call predecessors, (119), 1 states have return successors, (118), 1 states have call predecessors, (118), 1 states have call successors, (118) [2023-12-21 12:26:58,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1757 states and 2662 transitions. [2023-12-21 12:26:58,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 922 [2023-12-21 12:26:58,700 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:26:58,701 INFO L195 NwaCegarLoop]: trace histogram [111, 111, 111, 9, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:26:58,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-21 12:26:58,701 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:26:58,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:26:58,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1694707, now seen corresponding path program 1 times [2023-12-21 12:26:58,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:26:58,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866793032] [2023-12-21 12:26:58,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:26:58,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:26:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:59,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:26:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:59,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 12:26:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:59,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 12:26:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:59,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-21 12:26:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:59,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 12:26:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:59,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-21 12:26:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:59,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-21 12:26:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:59,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-21 12:26:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:59,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 12:26:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:59,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 12:26:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:59,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 12:26:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:59,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 12:26:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:59,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-21 12:26:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:59,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 12:26:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:59,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-21 12:26:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:59,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-21 12:26:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:59,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-21 12:26:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:59,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-21 12:26:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:59,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-21 12:26:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:59,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-21 12:26:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:59,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-21 12:26:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:59,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-21 12:26:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:59,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-21 12:26:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:59,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-21 12:26:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:59,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-21 12:26:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:26:59,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-21 12:27:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-21 12:27:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-21 12:27:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-21 12:27:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-21 12:27:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-21 12:27:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-21 12:27:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-21 12:27:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-21 12:27:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-21 12:27:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-21 12:27:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-21 12:27:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-21 12:27:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-21 12:27:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-21 12:27:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-21 12:27:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-21 12:27:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-21 12:27:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-21 12:27:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-21 12:27:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-21 12:27:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-21 12:27:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-21 12:27:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-21 12:27:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-21 12:27:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-21 12:27:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-21 12:27:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-21 12:27:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-21 12:27:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-21 12:27:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-21 12:27:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-21 12:27:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-21 12:27:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-21 12:27:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-21 12:27:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-21 12:27:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-21 12:27:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-21 12:27:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-21 12:27:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-21 12:27:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-21 12:27:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-21 12:27:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-21 12:27:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-21 12:27:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-21 12:27:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-21 12:27:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-21 12:27:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-21 12:27:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-21 12:27:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-21 12:27:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-21 12:27:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-21 12:27:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-21 12:27:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-21 12:27:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-21 12:27:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-21 12:27:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-21 12:27:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-21 12:27:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-21 12:27:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-21 12:27:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-21 12:27:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2023-12-21 12:27:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-21 12:27:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2023-12-21 12:27:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-21 12:27:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2023-12-21 12:27:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2023-12-21 12:27:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2023-12-21 12:27:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2023-12-21 12:27:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2023-12-21 12:27:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2023-12-21 12:27:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2023-12-21 12:27:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2023-12-21 12:27:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2023-12-21 12:27:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2023-12-21 12:27:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 803 [2023-12-21 12:27:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2023-12-21 12:27:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2023-12-21 12:27:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2023-12-21 12:27:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-12-21 12:27:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2023-12-21 12:27:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2023-12-21 12:27:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-12-21 12:27:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2023-12-21 12:27:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-12-21 12:27:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-12-21 12:27:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2023-12-21 12:27:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 875 [2023-12-21 12:27:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2023-12-21 12:27:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 887 [2023-12-21 12:27:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2023-12-21 12:27:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2023-12-21 12:27:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 905 [2023-12-21 12:27:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 911 [2023-12-21 12:27:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:00,224 INFO L134 CoverageAnalysis]: Checked inductivity of 24548 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 24532 trivial. 0 not checked. [2023-12-21 12:27:00,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:27:00,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866793032] [2023-12-21 12:27:00,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866793032] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:27:00,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:27:00,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 12:27:00,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449002070] [2023-12-21 12:27:00,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:27:00,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 12:27:00,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:27:00,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 12:27:00,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 12:27:00,226 INFO L87 Difference]: Start difference. First operand 1757 states and 2662 transitions. Second operand has 6 states, 5 states have (on average 66.2) internal successors, (331), 5 states have internal predecessors, (331), 2 states have call successors, (120), 2 states have call predecessors, (120), 1 states have return successors, (119), 1 states have call predecessors, (119), 1 states have call successors, (119) [2023-12-21 12:27:04,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:27:08,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:27:12,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:27:16,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:27:16,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:27:16,752 INFO L93 Difference]: Finished difference Result 1765 states and 2668 transitions. [2023-12-21 12:27:16,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 12:27:16,753 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 66.2) internal successors, (331), 5 states have internal predecessors, (331), 2 states have call successors, (120), 2 states have call predecessors, (120), 1 states have return successors, (119), 1 states have call predecessors, (119), 1 states have call successors, (119) Word has length 921 [2023-12-21 12:27:16,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:27:16,764 INFO L225 Difference]: With dead ends: 1765 [2023-12-21 12:27:16,764 INFO L226 Difference]: Without dead ends: 1763 [2023-12-21 12:27:16,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-21 12:27:16,766 INFO L413 NwaCegarLoop]: 1872 mSDtfsCounter, 1468 mSDsluCounter, 6228 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1468 SdHoareTripleChecker+Valid, 8100 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2023-12-21 12:27:16,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1468 Valid, 8100 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 304 Invalid, 4 Unknown, 0 Unchecked, 16.4s Time] [2023-12-21 12:27:16,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1763 states. [2023-12-21 12:27:17,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1763 to 1761. [2023-12-21 12:27:17,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1761 states, 1075 states have (on average 1.2604651162790699) internal successors, (1355), 1132 states have internal predecessors, (1355), 644 states have call successors, (644), 41 states have call predecessors, (644), 41 states have return successors, (666), 639 states have call predecessors, (666), 642 states have call successors, (666) [2023-12-21 12:27:17,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1761 states and 2665 transitions. [2023-12-21 12:27:17,016 INFO L78 Accepts]: Start accepts. Automaton has 1761 states and 2665 transitions. Word has length 921 [2023-12-21 12:27:17,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:27:17,017 INFO L495 AbstractCegarLoop]: Abstraction has 1761 states and 2665 transitions. [2023-12-21 12:27:17,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 66.2) internal successors, (331), 5 states have internal predecessors, (331), 2 states have call successors, (120), 2 states have call predecessors, (120), 1 states have return successors, (119), 1 states have call predecessors, (119), 1 states have call successors, (119) [2023-12-21 12:27:17,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 2665 transitions. [2023-12-21 12:27:17,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 963 [2023-12-21 12:27:17,031 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:27:17,031 INFO L195 NwaCegarLoop]: trace histogram [113, 113, 113, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:27:17,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-21 12:27:17,032 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:27:17,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:27:17,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1479892361, now seen corresponding path program 1 times [2023-12-21 12:27:17,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:27:17,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250193232] [2023-12-21 12:27:17,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:27:17,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:27:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:17,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:27:17,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250193232] [2023-12-21 12:27:17,469 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-21 12:27:17,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857907422] [2023-12-21 12:27:17,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:27:17,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 12:27:17,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 12:27:17,473 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 12:27:17,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-21 12:27:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:18,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 3254 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-21 12:27:18,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 12:27:19,134 INFO L134 CoverageAnalysis]: Checked inductivity of 25327 backedges. 10562 proven. 0 refuted. 0 times theorem prover too weak. 14765 trivial. 0 not checked. [2023-12-21 12:27:19,134 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 12:27:19,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857907422] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:27:19,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:27:19,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-21 12:27:19,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840300904] [2023-12-21 12:27:19,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:27:19,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 12:27:19,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:27:19,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 12:27:19,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-21 12:27:19,137 INFO L87 Difference]: Start difference. First operand 1761 states and 2665 transitions. Second operand has 5 states, 5 states have (on average 74.2) internal successors, (371), 5 states have internal predecessors, (371), 3 states have call successors, (125), 3 states have call predecessors, (125), 3 states have return successors, (124), 3 states have call predecessors, (124), 3 states have call successors, (124) [2023-12-21 12:27:23,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:27:27,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:27:31,499 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 [] [2023-12-21 12:27:33,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:27:33,836 INFO L93 Difference]: Finished difference Result 3804 states and 5923 transitions. [2023-12-21 12:27:33,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 12:27:33,837 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 74.2) internal successors, (371), 5 states have internal predecessors, (371), 3 states have call successors, (125), 3 states have call predecessors, (125), 3 states have return successors, (124), 3 states have call predecessors, (124), 3 states have call successors, (124) Word has length 962 [2023-12-21 12:27:33,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:27:33,859 INFO L225 Difference]: With dead ends: 3804 [2023-12-21 12:27:33,859 INFO L226 Difference]: Without dead ends: 2764 [2023-12-21 12:27:33,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 962 GetRequests, 958 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-21 12:27:33,873 INFO L413 NwaCegarLoop]: 2489 mSDtfsCounter, 1856 mSDsluCounter, 3209 mSDsCounter, 0 mSdLazyCounter, 2081 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1857 SdHoareTripleChecker+Valid, 5698 SdHoareTripleChecker+Invalid, 2089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2081 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2023-12-21 12:27:33,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1857 Valid, 5698 Invalid, 2089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2081 Invalid, 3 Unknown, 0 Unchecked, 14.4s Time] [2023-12-21 12:27:33,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2764 states. [2023-12-21 12:27:34,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2764 to 2609. [2023-12-21 12:27:34,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2609 states, 1566 states have (on average 1.252234993614304) internal successors, (1961), 1675 states have internal predecessors, (1961), 972 states have call successors, (972), 70 states have call predecessors, (972), 70 states have return successors, (1093), 963 states have call predecessors, (1093), 970 states have call successors, (1093) [2023-12-21 12:27:34,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 2609 states and 4026 transitions. [2023-12-21 12:27:34,241 INFO L78 Accepts]: Start accepts. Automaton has 2609 states and 4026 transitions. Word has length 962 [2023-12-21 12:27:34,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:27:34,242 INFO L495 AbstractCegarLoop]: Abstraction has 2609 states and 4026 transitions. [2023-12-21 12:27:34,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 74.2) internal successors, (371), 5 states have internal predecessors, (371), 3 states have call successors, (125), 3 states have call predecessors, (125), 3 states have return successors, (124), 3 states have call predecessors, (124), 3 states have call successors, (124) [2023-12-21 12:27:34,242 INFO L276 IsEmpty]: Start isEmpty. Operand 2609 states and 4026 transitions. [2023-12-21 12:27:34,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 958 [2023-12-21 12:27:34,265 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:27:34,266 INFO L195 NwaCegarLoop]: trace histogram [113, 113, 113, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:27:34,283 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-21 12:27:34,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-12-21 12:27:34,484 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:27:34,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:27:34,485 INFO L85 PathProgramCache]: Analyzing trace with hash -343128833, now seen corresponding path program 1 times [2023-12-21 12:27:34,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:27:34,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577356174] [2023-12-21 12:27:34,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:27:34,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:27:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:34,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:27:34,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577356174] [2023-12-21 12:27:34,932 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-21 12:27:34,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826772777] [2023-12-21 12:27:34,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:27:34,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 12:27:34,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 12:27:34,934 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 12:27:34,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-21 12:27:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:36,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 3236 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-21 12:27:36,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 12:27:36,381 INFO L134 CoverageAnalysis]: Checked inductivity of 25322 backedges. 10560 proven. 0 refuted. 0 times theorem prover too weak. 14762 trivial. 0 not checked. [2023-12-21 12:27:36,381 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 12:27:36,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826772777] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:27:36,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:27:36,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-21 12:27:36,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886717856] [2023-12-21 12:27:36,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:27:36,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 12:27:36,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:27:36,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 12:27:36,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-21 12:27:36,383 INFO L87 Difference]: Start difference. First operand 2609 states and 4026 transitions. Second operand has 5 states, 5 states have (on average 74.0) internal successors, (370), 5 states have internal predecessors, (370), 2 states have call successors, (124), 2 states have call predecessors, (124), 3 states have return successors, (123), 3 states have call predecessors, (123), 2 states have call successors, (123) [2023-12-21 12:27:40,423 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 [] [2023-12-21 12:27:44,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:27:48,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:27:52,452 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 [] [2023-12-21 12:27:53,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:27:53,523 INFO L93 Difference]: Finished difference Result 3621 states and 5670 transitions. [2023-12-21 12:27:53,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 12:27:53,523 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 74.0) internal successors, (370), 5 states have internal predecessors, (370), 2 states have call successors, (124), 2 states have call predecessors, (124), 3 states have return successors, (123), 3 states have call predecessors, (123), 2 states have call successors, (123) Word has length 957 [2023-12-21 12:27:53,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:27:53,534 INFO L225 Difference]: With dead ends: 3621 [2023-12-21 12:27:53,534 INFO L226 Difference]: Without dead ends: 1784 [2023-12-21 12:27:53,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 957 GetRequests, 953 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-21 12:27:53,553 INFO L413 NwaCegarLoop]: 1869 mSDtfsCounter, 767 mSDsluCounter, 2928 mSDsCounter, 0 mSdLazyCounter, 957 mSolverCounterSat, 5 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 4797 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 957 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2023-12-21 12:27:53,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [768 Valid, 4797 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 957 Invalid, 4 Unknown, 0 Unchecked, 17.0s Time] [2023-12-21 12:27:53,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2023-12-21 12:27:53,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1780. [2023-12-21 12:27:53,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1780 states, 1090 states have (on average 1.2587155963302752) internal successors, (1372), 1147 states have internal predecessors, (1372), 645 states have call successors, (645), 44 states have call predecessors, (645), 44 states have return successors, (667), 640 states have call predecessors, (667), 643 states have call successors, (667) [2023-12-21 12:27:53,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1780 states and 2684 transitions. [2023-12-21 12:27:53,766 INFO L78 Accepts]: Start accepts. Automaton has 1780 states and 2684 transitions. Word has length 957 [2023-12-21 12:27:53,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:27:53,767 INFO L495 AbstractCegarLoop]: Abstraction has 1780 states and 2684 transitions. [2023-12-21 12:27:53,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 74.0) internal successors, (370), 5 states have internal predecessors, (370), 2 states have call successors, (124), 2 states have call predecessors, (124), 3 states have return successors, (123), 3 states have call predecessors, (123), 2 states have call successors, (123) [2023-12-21 12:27:53,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2684 transitions. [2023-12-21 12:27:53,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 953 [2023-12-21 12:27:53,778 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:27:53,778 INFO L195 NwaCegarLoop]: trace histogram [113, 113, 113, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:27:53,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-21 12:27:53,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-12-21 12:27:53,992 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:27:53,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:27:53,992 INFO L85 PathProgramCache]: Analyzing trace with hash -419881617, now seen corresponding path program 1 times [2023-12-21 12:27:53,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:27:53,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035804390] [2023-12-21 12:27:53,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:27:53,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:27:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:54,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:27:54,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035804390] [2023-12-21 12:27:54,334 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-21 12:27:54,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366874964] [2023-12-21 12:27:54,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:27:54,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 12:27:54,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 12:27:54,336 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 12:27:54,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-21 12:27:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:27:55,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 3218 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-21 12:27:55,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 12:27:55,740 INFO L134 CoverageAnalysis]: Checked inductivity of 25322 backedges. 10566 proven. 0 refuted. 0 times theorem prover too weak. 14756 trivial. 0 not checked. [2023-12-21 12:27:55,740 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 12:27:55,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366874964] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:27:55,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:27:55,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-21 12:27:55,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530579163] [2023-12-21 12:27:55,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:27:55,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 12:27:55,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:27:55,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 12:27:55,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-21 12:27:55,746 INFO L87 Difference]: Start difference. First operand 1780 states and 2684 transitions. Second operand has 5 states, 5 states have (on average 74.4) internal successors, (372), 5 states have internal predecessors, (372), 3 states have call successors, (123), 3 states have call predecessors, (123), 3 states have return successors, (122), 3 states have call predecessors, (122), 3 states have call successors, (122) [2023-12-21 12:28:00,022 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 [] [2023-12-21 12:28:04,035 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 [] [2023-12-21 12:28:05,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:28:05,457 INFO L93 Difference]: Finished difference Result 3227 states and 4948 transitions. [2023-12-21 12:28:05,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-21 12:28:05,458 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 74.4) internal successors, (372), 5 states have internal predecessors, (372), 3 states have call successors, (123), 3 states have call predecessors, (123), 3 states have return successors, (122), 3 states have call predecessors, (122), 3 states have call successors, (122) Word has length 952 [2023-12-21 12:28:05,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:28:05,484 INFO L225 Difference]: With dead ends: 3227 [2023-12-21 12:28:05,484 INFO L226 Difference]: Without dead ends: 2755 [2023-12-21 12:28:05,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 951 GetRequests, 948 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-21 12:28:05,489 INFO L413 NwaCegarLoop]: 2323 mSDtfsCounter, 1872 mSDsluCounter, 2270 mSDsCounter, 0 mSdLazyCounter, 1103 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1874 SdHoareTripleChecker+Valid, 4593 SdHoareTripleChecker+Invalid, 1109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1103 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2023-12-21 12:28:05,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1874 Valid, 4593 Invalid, 1109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1103 Invalid, 2 Unknown, 0 Unchecked, 9.5s Time] [2023-12-21 12:28:05,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2755 states. [2023-12-21 12:28:05,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2755 to 2599. [2023-12-21 12:28:05,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2599 states, 1565 states have (on average 1.2511182108626198) internal successors, (1958), 1673 states have internal predecessors, (1958), 963 states have call successors, (963), 70 states have call predecessors, (963), 70 states have return successors, (1034), 954 states have call predecessors, (1034), 961 states have call successors, (1034) [2023-12-21 12:28:05,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2599 states to 2599 states and 3955 transitions. [2023-12-21 12:28:05,755 INFO L78 Accepts]: Start accepts. Automaton has 2599 states and 3955 transitions. Word has length 952 [2023-12-21 12:28:05,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:28:05,755 INFO L495 AbstractCegarLoop]: Abstraction has 2599 states and 3955 transitions. [2023-12-21 12:28:05,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 74.4) internal successors, (372), 5 states have internal predecessors, (372), 3 states have call successors, (123), 3 states have call predecessors, (123), 3 states have return successors, (122), 3 states have call predecessors, (122), 3 states have call successors, (122) [2023-12-21 12:28:05,756 INFO L276 IsEmpty]: Start isEmpty. Operand 2599 states and 3955 transitions. [2023-12-21 12:28:05,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 957 [2023-12-21 12:28:05,773 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:28:05,773 INFO L195 NwaCegarLoop]: trace histogram [113, 113, 113, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:28:05,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-21 12:28:06,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 12:28:06,008 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:28:06,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:28:06,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1303324878, now seen corresponding path program 1 times [2023-12-21 12:28:06,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:28:06,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38233062] [2023-12-21 12:28:06,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:28:06,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:28:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:06,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:28:06,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38233062] [2023-12-21 12:28:06,382 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-21 12:28:06,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226535218] [2023-12-21 12:28:06,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:28:06,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 12:28:06,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 12:28:06,383 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 12:28:06,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-21 12:28:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:07,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 3229 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-21 12:28:07,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 12:28:07,993 INFO L134 CoverageAnalysis]: Checked inductivity of 25322 backedges. 10560 proven. 0 refuted. 0 times theorem prover too weak. 14762 trivial. 0 not checked. [2023-12-21 12:28:07,993 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 12:28:07,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226535218] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:28:07,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:28:07,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-21 12:28:07,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201591971] [2023-12-21 12:28:07,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:28:07,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 12:28:07,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:28:07,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 12:28:07,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-21 12:28:07,995 INFO L87 Difference]: Start difference. First operand 2599 states and 3955 transitions. Second operand has 5 states, 5 states have (on average 73.8) internal successors, (369), 5 states have internal predecessors, (369), 3 states have call successors, (124), 3 states have call predecessors, (124), 3 states have return successors, (123), 3 states have call predecessors, (123), 3 states have call successors, (123) [2023-12-21 12:28:12,032 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 [] [2023-12-21 12:28:16,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:28:20,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:28:24,060 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 [] [2023-12-21 12:28:25,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:28:25,020 INFO L93 Difference]: Finished difference Result 3744 states and 5764 transitions. [2023-12-21 12:28:25,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 12:28:25,020 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 73.8) internal successors, (369), 5 states have internal predecessors, (369), 3 states have call successors, (124), 3 states have call predecessors, (124), 3 states have return successors, (123), 3 states have call predecessors, (123), 3 states have call successors, (123) Word has length 956 [2023-12-21 12:28:25,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:28:25,028 INFO L225 Difference]: With dead ends: 3744 [2023-12-21 12:28:25,028 INFO L226 Difference]: Without dead ends: 1910 [2023-12-21 12:28:25,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 956 GetRequests, 952 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-21 12:28:25,042 INFO L413 NwaCegarLoop]: 1943 mSDtfsCounter, 754 mSDsluCounter, 4287 mSDsCounter, 0 mSdLazyCounter, 1008 mSolverCounterSat, 9 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 756 SdHoareTripleChecker+Valid, 6230 SdHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1008 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2023-12-21 12:28:25,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [756 Valid, 6230 Invalid, 1021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1008 Invalid, 4 Unknown, 0 Unchecked, 16.9s Time] [2023-12-21 12:28:25,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1910 states. [2023-12-21 12:28:25,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1910 to 1908. [2023-12-21 12:28:25,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1908 states, 1176 states have (on average 1.2636054421768708) internal successors, (1486), 1233 states have internal predecessors, (1486), 674 states have call successors, (674), 57 states have call predecessors, (674), 57 states have return successors, (699), 669 states have call predecessors, (699), 672 states have call successors, (699) [2023-12-21 12:28:25,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1908 states and 2859 transitions. [2023-12-21 12:28:25,267 INFO L78 Accepts]: Start accepts. Automaton has 1908 states and 2859 transitions. Word has length 956 [2023-12-21 12:28:25,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:28:25,268 INFO L495 AbstractCegarLoop]: Abstraction has 1908 states and 2859 transitions. [2023-12-21 12:28:25,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 73.8) internal successors, (369), 5 states have internal predecessors, (369), 3 states have call successors, (124), 3 states have call predecessors, (124), 3 states have return successors, (123), 3 states have call predecessors, (123), 3 states have call successors, (123) [2023-12-21 12:28:25,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1908 states and 2859 transitions. [2023-12-21 12:28:25,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 928 [2023-12-21 12:28:25,280 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:28:25,280 INFO L195 NwaCegarLoop]: trace histogram [111, 111, 111, 10, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:28:25,306 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-21 12:28:25,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 12:28:25,492 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:28:25,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:28:25,492 INFO L85 PathProgramCache]: Analyzing trace with hash 854555434, now seen corresponding path program 1 times [2023-12-21 12:28:25,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:28:25,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711350068] [2023-12-21 12:28:25,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:28:25,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:28:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:28:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 12:28:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 12:28:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-21 12:28:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 12:28:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-21 12:28:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-21 12:28:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-21 12:28:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 12:28:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 12:28:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 12:28:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 12:28:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-21 12:28:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 12:28:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-21 12:28:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-21 12:28:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-21 12:28:26,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-21 12:28:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-21 12:28:26,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-21 12:28:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-21 12:28:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-21 12:28:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-21 12:28:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-21 12:28:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-21 12:28:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-21 12:28:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-21 12:28:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-21 12:28:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-21 12:28:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-21 12:28:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-21 12:28:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-21 12:28:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-21 12:28:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-21 12:28:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-21 12:28:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-21 12:28:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-21 12:28:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-21 12:28:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-21 12:28:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-21 12:28:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-21 12:28:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-21 12:28:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-21 12:28:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-21 12:28:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-21 12:28:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-21 12:28:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-21 12:28:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-21 12:28:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-21 12:28:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-21 12:28:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-21 12:28:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-21 12:28:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-21 12:28:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-21 12:28:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-21 12:28:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-21 12:28:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-21 12:28:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-21 12:28:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-21 12:28:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-21 12:28:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-21 12:28:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-21 12:28:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-21 12:28:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-21 12:28:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-21 12:28:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-21 12:28:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-21 12:28:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-21 12:28:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-21 12:28:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-21 12:28:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-21 12:28:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-21 12:28:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-21 12:28:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-21 12:28:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-21 12:28:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-21 12:28:26,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-21 12:28:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-21 12:28:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-21 12:28:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-21 12:28:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-21 12:28:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-21 12:28:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-21 12:28:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-21 12:28:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-21 12:28:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-21 12:28:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2023-12-21 12:28:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-21 12:28:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2023-12-21 12:28:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-21 12:28:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2023-12-21 12:28:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2023-12-21 12:28:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2023-12-21 12:28:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2023-12-21 12:28:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2023-12-21 12:28:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2023-12-21 12:28:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2023-12-21 12:28:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2023-12-21 12:28:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2023-12-21 12:28:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2023-12-21 12:28:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 803 [2023-12-21 12:28:26,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2023-12-21 12:28:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2023-12-21 12:28:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2023-12-21 12:28:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-12-21 12:28:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2023-12-21 12:28:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2023-12-21 12:28:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-12-21 12:28:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2023-12-21 12:28:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-12-21 12:28:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-12-21 12:28:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2023-12-21 12:28:26,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 875 [2023-12-21 12:28:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2023-12-21 12:28:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 887 [2023-12-21 12:28:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2023-12-21 12:28:26,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2023-12-21 12:28:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 905 [2023-12-21 12:28:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 911 [2023-12-21 12:28:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 917 [2023-12-21 12:28:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:26,750 INFO L134 CoverageAnalysis]: Checked inductivity of 24582 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24564 trivial. 0 not checked. [2023-12-21 12:28:26,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:28:26,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711350068] [2023-12-21 12:28:26,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711350068] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:28:26,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:28:26,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 12:28:26,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486518590] [2023-12-21 12:28:26,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:28:26,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 12:28:26,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:28:26,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 12:28:26,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 12:28:26,754 INFO L87 Difference]: Start difference. First operand 1908 states and 2859 transitions. Second operand has 6 states, 5 states have (on average 66.4) internal successors, (332), 5 states have internal predecessors, (332), 2 states have call successors, (121), 2 states have call predecessors, (121), 1 states have return successors, (120), 1 states have call predecessors, (120), 1 states have call successors, (120) [2023-12-21 12:28:30,796 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 [] [2023-12-21 12:28:34,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:28:38,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:28:42,822 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 [] [2023-12-21 12:28:43,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:28:43,185 INFO L93 Difference]: Finished difference Result 1916 states and 2865 transitions. [2023-12-21 12:28:43,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 12:28:43,186 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 66.4) internal successors, (332), 5 states have internal predecessors, (332), 2 states have call successors, (121), 2 states have call predecessors, (121), 1 states have return successors, (120), 1 states have call predecessors, (120), 1 states have call successors, (120) Word has length 927 [2023-12-21 12:28:43,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:28:43,192 INFO L225 Difference]: With dead ends: 1916 [2023-12-21 12:28:43,192 INFO L226 Difference]: Without dead ends: 1914 [2023-12-21 12:28:43,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-21 12:28:43,194 INFO L413 NwaCegarLoop]: 1865 mSDtfsCounter, 1461 mSDsluCounter, 6220 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1461 SdHoareTripleChecker+Valid, 8085 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2023-12-21 12:28:43,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1461 Valid, 8085 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 304 Invalid, 4 Unknown, 0 Unchecked, 16.3s Time] [2023-12-21 12:28:43,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1914 states. [2023-12-21 12:28:43,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1914 to 1912. [2023-12-21 12:28:43,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1912 states, 1179 states have (on average 1.2629346904156065) internal successors, (1489), 1236 states have internal predecessors, (1489), 674 states have call successors, (674), 58 states have call predecessors, (674), 58 states have return successors, (699), 669 states have call predecessors, (699), 672 states have call successors, (699) [2023-12-21 12:28:43,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1912 states to 1912 states and 2862 transitions. [2023-12-21 12:28:43,405 INFO L78 Accepts]: Start accepts. Automaton has 1912 states and 2862 transitions. Word has length 927 [2023-12-21 12:28:43,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:28:43,405 INFO L495 AbstractCegarLoop]: Abstraction has 1912 states and 2862 transitions. [2023-12-21 12:28:43,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 66.4) internal successors, (332), 5 states have internal predecessors, (332), 2 states have call successors, (121), 2 states have call predecessors, (121), 1 states have return successors, (120), 1 states have call predecessors, (120), 1 states have call successors, (120) [2023-12-21 12:28:43,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1912 states and 2862 transitions. [2023-12-21 12:28:43,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 963 [2023-12-21 12:28:43,416 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:28:43,417 INFO L195 NwaCegarLoop]: trace histogram [113, 113, 113, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:28:43,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-21 12:28:43,417 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:28:43,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:28:43,417 INFO L85 PathProgramCache]: Analyzing trace with hash 388365956, now seen corresponding path program 1 times [2023-12-21 12:28:43,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:28:43,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428101117] [2023-12-21 12:28:43,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:28:43,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:28:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:43,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:28:43,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428101117] [2023-12-21 12:28:43,766 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-21 12:28:43,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155012100] [2023-12-21 12:28:43,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:28:43,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 12:28:43,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 12:28:43,768 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 12:28:43,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-21 12:28:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:45,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 3250 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-21 12:28:45,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 12:28:45,197 INFO L134 CoverageAnalysis]: Checked inductivity of 25322 backedges. 10560 proven. 0 refuted. 0 times theorem prover too weak. 14762 trivial. 0 not checked. [2023-12-21 12:28:45,197 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 12:28:45,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155012100] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:28:45,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:28:45,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-21 12:28:45,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548366568] [2023-12-21 12:28:45,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:28:45,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 12:28:45,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:28:45,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 12:28:45,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-21 12:28:45,199 INFO L87 Difference]: Start difference. First operand 1912 states and 2862 transitions. Second operand has 5 states, 5 states have (on average 74.6) internal successors, (373), 5 states have internal predecessors, (373), 3 states have call successors, (125), 3 states have call predecessors, (125), 3 states have return successors, (124), 3 states have call predecessors, (124), 3 states have call successors, (124) [2023-12-21 12:28:49,424 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 [] [2023-12-21 12:28:53,438 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 [] [2023-12-21 12:28:54,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:28:54,468 INFO L93 Difference]: Finished difference Result 2975 states and 4500 transitions. [2023-12-21 12:28:54,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-21 12:28:54,468 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 74.6) internal successors, (373), 5 states have internal predecessors, (373), 3 states have call successors, (125), 3 states have call predecessors, (125), 3 states have return successors, (124), 3 states have call predecessors, (124), 3 states have call successors, (124) Word has length 962 [2023-12-21 12:28:54,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:28:54,493 INFO L225 Difference]: With dead ends: 2975 [2023-12-21 12:28:54,493 INFO L226 Difference]: Without dead ends: 1993 [2023-12-21 12:28:54,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 961 GetRequests, 958 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-21 12:28:54,499 INFO L413 NwaCegarLoop]: 1928 mSDtfsCounter, 1879 mSDsluCounter, 1147 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1880 SdHoareTripleChecker+Valid, 3075 SdHoareTripleChecker+Invalid, 1037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2023-12-21 12:28:54,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1880 Valid, 3075 Invalid, 1037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1032 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2023-12-21 12:28:54,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1993 states. [2023-12-21 12:28:54,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1993 to 1908. [2023-12-21 12:28:54,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1908 states, 1177 states have (on average 1.2616822429906542) internal successors, (1485), 1234 states have internal predecessors, (1485), 672 states have call successors, (672), 58 states have call predecessors, (672), 58 states have return successors, (697), 667 states have call predecessors, (697), 670 states have call successors, (697) [2023-12-21 12:28:54,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1908 states and 2854 transitions. [2023-12-21 12:28:54,771 INFO L78 Accepts]: Start accepts. Automaton has 1908 states and 2854 transitions. Word has length 962 [2023-12-21 12:28:54,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:28:54,774 INFO L495 AbstractCegarLoop]: Abstraction has 1908 states and 2854 transitions. [2023-12-21 12:28:54,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 74.6) internal successors, (373), 5 states have internal predecessors, (373), 3 states have call successors, (125), 3 states have call predecessors, (125), 3 states have return successors, (124), 3 states have call predecessors, (124), 3 states have call successors, (124) [2023-12-21 12:28:54,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1908 states and 2854 transitions. [2023-12-21 12:28:54,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 961 [2023-12-21 12:28:54,785 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:28:54,785 INFO L195 NwaCegarLoop]: trace histogram [113, 113, 113, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:28:54,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-21 12:28:54,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-12-21 12:28:54,997 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:28:54,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:28:54,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1032212207, now seen corresponding path program 1 times [2023-12-21 12:28:54,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:28:54,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790191155] [2023-12-21 12:28:54,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:28:54,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:28:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:55,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:28:55,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790191155] [2023-12-21 12:28:55,392 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-21 12:28:55,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071659197] [2023-12-21 12:28:55,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:28:55,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 12:28:55,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 12:28:55,393 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 12:28:55,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-21 12:28:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:28:56,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 3240 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-21 12:28:56,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 12:28:56,785 INFO L134 CoverageAnalysis]: Checked inductivity of 25324 backedges. 10564 proven. 0 refuted. 0 times theorem prover too weak. 14760 trivial. 0 not checked. [2023-12-21 12:28:56,786 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 12:28:56,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071659197] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:28:56,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:28:56,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-21 12:28:56,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192333957] [2023-12-21 12:28:56,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:28:56,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 12:28:56,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:28:56,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 12:28:56,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-21 12:28:56,788 INFO L87 Difference]: Start difference. First operand 1908 states and 2854 transitions. Second operand has 5 states, 5 states have (on average 74.8) internal successors, (374), 5 states have internal predecessors, (374), 3 states have call successors, (125), 3 states have call predecessors, (125), 3 states have return successors, (124), 3 states have call predecessors, (124), 3 states have call successors, (124) [2023-12-21 12:29:00,831 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 [] [2023-12-21 12:29:04,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:29:08,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:29:12,855 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 [] [2023-12-21 12:29:13,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:29:13,897 INFO L93 Difference]: Finished difference Result 2888 states and 4373 transitions. [2023-12-21 12:29:13,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 12:29:13,897 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 74.8) internal successors, (374), 5 states have internal predecessors, (374), 3 states have call successors, (125), 3 states have call predecessors, (125), 3 states have return successors, (124), 3 states have call predecessors, (124), 3 states have call successors, (124) Word has length 960 [2023-12-21 12:29:13,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:29:13,905 INFO L225 Difference]: With dead ends: 2888 [2023-12-21 12:29:13,905 INFO L226 Difference]: Without dead ends: 1910 [2023-12-21 12:29:13,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 960 GetRequests, 956 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-21 12:29:13,911 INFO L413 NwaCegarLoop]: 1940 mSDtfsCounter, 745 mSDsluCounter, 3071 mSDsCounter, 0 mSdLazyCounter, 987 mSolverCounterSat, 10 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 748 SdHoareTripleChecker+Valid, 5011 SdHoareTripleChecker+Invalid, 1001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 987 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2023-12-21 12:29:13,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [748 Valid, 5011 Invalid, 1001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 987 Invalid, 4 Unknown, 0 Unchecked, 16.9s Time] [2023-12-21 12:29:13,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1910 states. [2023-12-21 12:29:14,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1910 to 1908. [2023-12-21 12:29:14,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1908 states, 1177 states have (on average 1.259983007646559) internal successors, (1483), 1234 states have internal predecessors, (1483), 672 states have call successors, (672), 58 states have call predecessors, (672), 58 states have return successors, (697), 667 states have call predecessors, (697), 670 states have call successors, (697) [2023-12-21 12:29:14,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1908 states and 2852 transitions. [2023-12-21 12:29:14,383 INFO L78 Accepts]: Start accepts. Automaton has 1908 states and 2852 transitions. Word has length 960 [2023-12-21 12:29:14,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:29:14,384 INFO L495 AbstractCegarLoop]: Abstraction has 1908 states and 2852 transitions. [2023-12-21 12:29:14,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 74.8) internal successors, (374), 5 states have internal predecessors, (374), 3 states have call successors, (125), 3 states have call predecessors, (125), 3 states have return successors, (124), 3 states have call predecessors, (124), 3 states have call successors, (124) [2023-12-21 12:29:14,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1908 states and 2852 transitions. [2023-12-21 12:29:14,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 969 [2023-12-21 12:29:14,395 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:29:14,395 INFO L195 NwaCegarLoop]: trace histogram [113, 113, 113, 4, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:29:14,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-21 12:29:14,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-12-21 12:29:14,609 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:29:14,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:29:14,609 INFO L85 PathProgramCache]: Analyzing trace with hash -977388819, now seen corresponding path program 1 times [2023-12-21 12:29:14,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:29:14,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995863260] [2023-12-21 12:29:14,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:29:14,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:29:15,035 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 12:29:15,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2051162954] [2023-12-21 12:29:15,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:29:15,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 12:29:15,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 12:29:15,052 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 12:29:15,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-21 12:29:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:29:16,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 3262 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-21 12:29:16,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 12:29:17,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2023-12-21 12:29:17,756 INFO L134 CoverageAnalysis]: Checked inductivity of 25336 backedges. 10574 proven. 0 refuted. 0 times theorem prover too weak. 14762 trivial. 0 not checked. [2023-12-21 12:29:17,756 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 12:29:17,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:29:17,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995863260] [2023-12-21 12:29:17,756 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 12:29:17,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051162954] [2023-12-21 12:29:17,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051162954] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:29:17,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:29:17,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-21 12:29:17,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796662533] [2023-12-21 12:29:17,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:29:17,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-21 12:29:17,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:29:17,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-21 12:29:17,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2023-12-21 12:29:17,760 INFO L87 Difference]: Start difference. First operand 1908 states and 2852 transitions. Second operand has 13 states, 11 states have (on average 34.36363636363637) internal successors, (378), 10 states have internal predecessors, (378), 5 states have call successors, (127), 5 states have call predecessors, (127), 6 states have return successors, (126), 6 states have call predecessors, (126), 5 states have call successors, (126) [2023-12-21 12:29:22,761 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 [0] [2023-12-21 12:29:26,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-21 12:29:30,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-21 12:29:34,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-21 12:29:38,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-21 12:29:42,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-21 12:29:46,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-21 12:29:50,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-21 12:29:54,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-21 12:29:58,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-21 12:30:02,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-21 12:30:14,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:30:14,200 INFO L93 Difference]: Finished difference Result 4317 states and 6844 transitions. [2023-12-21 12:30:14,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-21 12:30:14,201 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 34.36363636363637) internal successors, (378), 10 states have internal predecessors, (378), 5 states have call successors, (127), 5 states have call predecessors, (127), 6 states have return successors, (126), 6 states have call predecessors, (126), 5 states have call successors, (126) Word has length 968 [2023-12-21 12:30:14,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:30:14,215 INFO L225 Difference]: With dead ends: 4317 [2023-12-21 12:30:14,215 INFO L226 Difference]: Without dead ends: 3339 [2023-12-21 12:30:14,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 972 GetRequests, 956 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2023-12-21 12:30:14,225 INFO L413 NwaCegarLoop]: 2384 mSDtfsCounter, 1866 mSDsluCounter, 5317 mSDsCounter, 0 mSdLazyCounter, 9062 mSolverCounterSat, 838 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2457 SdHoareTripleChecker+Valid, 7701 SdHoareTripleChecker+Invalid, 9911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 838 IncrementalHoareTripleChecker+Valid, 9062 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.6s IncrementalHoareTripleChecker+Time [2023-12-21 12:30:14,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2457 Valid, 7701 Invalid, 9911 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [838 Valid, 9062 Invalid, 11 Unknown, 0 Unchecked, 55.6s Time] [2023-12-21 12:30:14,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3339 states. [2023-12-21 12:30:14,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3339 to 3080. [2023-12-21 12:30:14,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3080 states, 1885 states have (on average 1.250397877984085) internal successors, (2357), 2006 states have internal predecessors, (2357), 1069 states have call successors, (1069), 101 states have call predecessors, (1069), 125 states have return successors, (1318), 1075 states have call predecessors, (1318), 1067 states have call successors, (1318) [2023-12-21 12:30:14,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3080 states to 3080 states and 4744 transitions. [2023-12-21 12:30:14,656 INFO L78 Accepts]: Start accepts. Automaton has 3080 states and 4744 transitions. Word has length 968 [2023-12-21 12:30:14,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:30:14,657 INFO L495 AbstractCegarLoop]: Abstraction has 3080 states and 4744 transitions. [2023-12-21 12:30:14,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 34.36363636363637) internal successors, (378), 10 states have internal predecessors, (378), 5 states have call successors, (127), 5 states have call predecessors, (127), 6 states have return successors, (126), 6 states have call predecessors, (126), 5 states have call successors, (126) [2023-12-21 12:30:14,657 INFO L276 IsEmpty]: Start isEmpty. Operand 3080 states and 4744 transitions. [2023-12-21 12:30:14,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 999 [2023-12-21 12:30:14,679 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:30:14,679 INFO L195 NwaCegarLoop]: trace histogram [117, 117, 117, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:30:14,699 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-21 12:30:14,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 12:30:14,894 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:30:14,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:30:14,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1752947922, now seen corresponding path program 1 times [2023-12-21 12:30:14,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:30:14,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667451423] [2023-12-21 12:30:14,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:30:14,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:30:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:30:15,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:30:15,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667451423] [2023-12-21 12:30:15,312 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-21 12:30:15,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453522079] [2023-12-21 12:30:15,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:30:15,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 12:30:15,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 12:30:15,313 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 12:30:15,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-21 12:30:16,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:30:16,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 3335 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-21 12:30:16,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 12:30:16,966 INFO L134 CoverageAnalysis]: Checked inductivity of 27159 backedges. 11746 proven. 0 refuted. 0 times theorem prover too weak. 15413 trivial. 0 not checked. [2023-12-21 12:30:16,966 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 12:30:16,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453522079] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:30:16,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:30:16,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-21 12:30:16,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283561931] [2023-12-21 12:30:16,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:30:16,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 12:30:16,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:30:16,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 12:30:16,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-21 12:30:16,970 INFO L87 Difference]: Start difference. First operand 3080 states and 4744 transitions. Second operand has 5 states, 5 states have (on average 77.6) internal successors, (388), 5 states have internal predecessors, (388), 3 states have call successors, (130), 3 states have call predecessors, (130), 3 states have return successors, (129), 3 states have call predecessors, (129), 3 states have call successors, (129) [2023-12-21 12:30:21,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:30:25,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:30:29,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:30:33,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:30:34,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:30:34,249 INFO L93 Difference]: Finished difference Result 5194 states and 8335 transitions. [2023-12-21 12:30:34,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 12:30:34,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 77.6) internal successors, (388), 5 states have internal predecessors, (388), 3 states have call successors, (130), 3 states have call predecessors, (130), 3 states have return successors, (129), 3 states have call predecessors, (129), 3 states have call successors, (129) Word has length 998 [2023-12-21 12:30:34,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:30:34,278 INFO L225 Difference]: With dead ends: 5194 [2023-12-21 12:30:34,278 INFO L226 Difference]: Without dead ends: 3053 [2023-12-21 12:30:34,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 998 GetRequests, 994 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-21 12:30:34,290 INFO L413 NwaCegarLoop]: 1861 mSDtfsCounter, 729 mSDsluCounter, 4054 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 730 SdHoareTripleChecker+Valid, 5915 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2023-12-21 12:30:34,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [730 Valid, 5915 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 959 Invalid, 4 Unknown, 0 Unchecked, 16.9s Time] [2023-12-21 12:30:34,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3053 states. [2023-12-21 12:30:34,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3053 to 3050. [2023-12-21 12:30:34,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3050 states, 1864 states have (on average 1.2467811158798283) internal successors, (2324), 1988 states have internal predecessors, (2324), 1063 states have call successors, (1063), 99 states have call predecessors, (1063), 122 states have return successors, (1305), 1065 states have call predecessors, (1305), 1061 states have call successors, (1305) [2023-12-21 12:30:34,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3050 states to 3050 states and 4692 transitions. [2023-12-21 12:30:34,744 INFO L78 Accepts]: Start accepts. Automaton has 3050 states and 4692 transitions. Word has length 998 [2023-12-21 12:30:34,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:30:34,744 INFO L495 AbstractCegarLoop]: Abstraction has 3050 states and 4692 transitions. [2023-12-21 12:30:34,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 77.6) internal successors, (388), 5 states have internal predecessors, (388), 3 states have call successors, (130), 3 states have call predecessors, (130), 3 states have return successors, (129), 3 states have call predecessors, (129), 3 states have call successors, (129) [2023-12-21 12:30:34,745 INFO L276 IsEmpty]: Start isEmpty. Operand 3050 states and 4692 transitions. [2023-12-21 12:30:34,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 984 [2023-12-21 12:30:34,783 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:30:34,783 INFO L195 NwaCegarLoop]: trace histogram [115, 115, 115, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:30:34,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-21 12:30:34,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 12:30:34,997 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:30:34,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:30:34,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1312679274, now seen corresponding path program 1 times [2023-12-21 12:30:34,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:30:34,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442694361] [2023-12-21 12:30:34,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:30:34,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:30:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:30:35,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:30:35,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442694361] [2023-12-21 12:30:35,354 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-21 12:30:35,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184884195] [2023-12-21 12:30:35,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:30:35,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 12:30:35,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 12:30:35,356 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 12:30:35,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-21 12:30:36,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:30:36,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 3296 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-21 12:30:36,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 12:30:37,059 INFO L134 CoverageAnalysis]: Checked inductivity of 26235 backedges. 10831 proven. 0 refuted. 0 times theorem prover too weak. 15404 trivial. 0 not checked. [2023-12-21 12:30:37,060 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 12:30:37,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184884195] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:30:37,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:30:37,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-21 12:30:37,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265932946] [2023-12-21 12:30:37,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:30:37,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 12:30:37,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:30:37,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 12:30:37,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-21 12:30:37,062 INFO L87 Difference]: Start difference. First operand 3050 states and 4692 transitions. Second operand has 5 states, 5 states have (on average 76.6) internal successors, (383), 5 states have internal predecessors, (383), 3 states have call successors, (129), 3 states have call predecessors, (129), 3 states have return successors, (128), 3 states have call predecessors, (128), 3 states have call successors, (128) [2023-12-21 12:30:41,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:30:45,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:30:47,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:30:47,232 INFO L93 Difference]: Finished difference Result 5210 states and 8332 transitions. [2023-12-21 12:30:47,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-21 12:30:47,233 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 76.6) internal successors, (383), 5 states have internal predecessors, (383), 3 states have call successors, (129), 3 states have call predecessors, (129), 3 states have return successors, (128), 3 states have call predecessors, (128), 3 states have call successors, (128) Word has length 983 [2023-12-21 12:30:47,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:30:47,254 INFO L225 Difference]: With dead ends: 5210 [2023-12-21 12:30:47,254 INFO L226 Difference]: Without dead ends: 3099 [2023-12-21 12:30:47,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 982 GetRequests, 979 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-21 12:30:47,274 INFO L413 NwaCegarLoop]: 1917 mSDtfsCounter, 2823 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 1013 mSolverCounterSat, 900 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2824 SdHoareTripleChecker+Valid, 2957 SdHoareTripleChecker+Invalid, 1915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 900 IncrementalHoareTripleChecker+Valid, 1013 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2023-12-21 12:30:47,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2824 Valid, 2957 Invalid, 1915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [900 Valid, 1013 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time] [2023-12-21 12:30:47,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3099 states. [2023-12-21 12:30:47,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3099 to 3014. [2023-12-21 12:30:47,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3014 states, 1840 states have (on average 1.2434782608695651) internal successors, (2288), 1964 states have internal predecessors, (2288), 1057 states have call successors, (1057), 97 states have call predecessors, (1057), 116 states have return successors, (1276), 1055 states have call predecessors, (1276), 1055 states have call successors, (1276) [2023-12-21 12:30:47,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3014 states to 3014 states and 4621 transitions. [2023-12-21 12:30:47,741 INFO L78 Accepts]: Start accepts. Automaton has 3014 states and 4621 transitions. Word has length 983 [2023-12-21 12:30:47,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:30:47,741 INFO L495 AbstractCegarLoop]: Abstraction has 3014 states and 4621 transitions. [2023-12-21 12:30:47,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 76.6) internal successors, (383), 5 states have internal predecessors, (383), 3 states have call successors, (129), 3 states have call predecessors, (129), 3 states have return successors, (128), 3 states have call predecessors, (128), 3 states have call successors, (128) [2023-12-21 12:30:47,742 INFO L276 IsEmpty]: Start isEmpty. Operand 3014 states and 4621 transitions. [2023-12-21 12:30:47,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 969 [2023-12-21 12:30:47,761 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:30:47,761 INFO L195 NwaCegarLoop]: trace histogram [113, 113, 113, 4, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:30:47,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-12-21 12:30:47,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 12:30:47,977 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:30:47,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:30:47,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1642213743, now seen corresponding path program 1 times [2023-12-21 12:30:47,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:30:47,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760416176] [2023-12-21 12:30:47,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:30:47,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:30:48,549 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 12:30:48,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2078610439] [2023-12-21 12:30:48,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:30:48,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 12:30:48,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 12:30:48,551 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 12:30:48,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-21 12:30:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:30:50,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 3259 conjuncts, 108 conjunts are in the unsatisfiable core [2023-12-21 12:30:50,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 12:30:50,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2023-12-21 12:30:50,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2023-12-21 12:30:51,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 183 treesize of output 178 [2023-12-21 12:30:51,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 183 treesize of output 178 [2023-12-21 12:30:54,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 373 treesize of output 331 [2023-12-21 12:31:01,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 235 treesize of output 171 [2023-12-21 12:31:01,790 INFO L134 CoverageAnalysis]: Checked inductivity of 25336 backedges. 10619 proven. 1271 refuted. 0 times theorem prover too weak. 13446 trivial. 0 not checked. [2023-12-21 12:31:01,790 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 12:31:06,054 INFO L134 CoverageAnalysis]: Checked inductivity of 25336 backedges. 159 proven. 510 refuted. 0 times theorem prover too weak. 24667 trivial. 0 not checked. [2023-12-21 12:31:06,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:31:06,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760416176] [2023-12-21 12:31:06,054 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 12:31:06,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078610439] [2023-12-21 12:31:06,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078610439] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 12:31:06,055 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-21 12:31:06,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 28 [2023-12-21 12:31:06,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39542551] [2023-12-21 12:31:06,056 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-21 12:31:06,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-12-21 12:31:06,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:31:06,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-12-21 12:31:06,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=610, Unknown=0, NotChecked=0, Total=756 [2023-12-21 12:31:06,060 INFO L87 Difference]: Start difference. First operand 3014 states and 4621 transitions. Second operand has 28 states, 24 states have (on average 27.666666666666668) internal successors, (664), 25 states have internal predecessors, (664), 11 states have call successors, (251), 6 states have call predecessors, (251), 9 states have return successors, (250), 9 states have call predecessors, (250), 11 states have call successors, (250) [2023-12-21 12:31:08,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:31:09,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:31:28,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:31:32,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:31:36,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:31:40,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:31:44,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:31:48,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:31:52,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:31:56,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:32:00,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:32:04,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:32:08,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:32:12,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:32:16,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:32:20,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:33:12,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:33:12,880 INFO L93 Difference]: Finished difference Result 11171 states and 16005 transitions. [2023-12-21 12:33:12,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-12-21 12:33:12,882 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 24 states have (on average 27.666666666666668) internal successors, (664), 25 states have internal predecessors, (664), 11 states have call successors, (251), 6 states have call predecessors, (251), 9 states have return successors, (250), 9 states have call predecessors, (250), 11 states have call successors, (250) Word has length 968 [2023-12-21 12:33:12,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:33:12,912 INFO L225 Difference]: With dead ends: 11171 [2023-12-21 12:33:12,912 INFO L226 Difference]: Without dead ends: 9432 [2023-12-21 12:33:12,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2004 GetRequests, 1923 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1511 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=1590, Invalid=5216, Unknown=0, NotChecked=0, Total=6806 [2023-12-21 12:33:12,921 INFO L413 NwaCegarLoop]: 1437 mSDtfsCounter, 11099 mSDsluCounter, 8065 mSDsCounter, 0 mSdLazyCounter, 19038 mSolverCounterSat, 12646 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 112.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11099 SdHoareTripleChecker+Valid, 9502 SdHoareTripleChecker+Invalid, 31698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12646 IncrementalHoareTripleChecker+Valid, 19038 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 117.2s IncrementalHoareTripleChecker+Time [2023-12-21 12:33:12,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11099 Valid, 9502 Invalid, 31698 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12646 Valid, 19038 Invalid, 14 Unknown, 0 Unchecked, 117.2s Time] [2023-12-21 12:33:12,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9432 states. [2023-12-21 12:33:15,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9432 to 8630. [2023-12-21 12:33:15,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8630 states, 5248 states have (on average 1.205030487804878) internal successors, (6324), 5510 states have internal predecessors, (6324), 2784 states have call successors, (2784), 524 states have call predecessors, (2784), 597 states have return successors, (3390), 2756 states have call predecessors, (3390), 2782 states have call successors, (3390) [2023-12-21 12:33:15,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8630 states to 8630 states and 12498 transitions. [2023-12-21 12:33:15,275 INFO L78 Accepts]: Start accepts. Automaton has 8630 states and 12498 transitions. Word has length 968 [2023-12-21 12:33:15,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:33:15,275 INFO L495 AbstractCegarLoop]: Abstraction has 8630 states and 12498 transitions. [2023-12-21 12:33:15,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 24 states have (on average 27.666666666666668) internal successors, (664), 25 states have internal predecessors, (664), 11 states have call successors, (251), 6 states have call predecessors, (251), 9 states have return successors, (250), 9 states have call predecessors, (250), 11 states have call successors, (250) [2023-12-21 12:33:15,276 INFO L276 IsEmpty]: Start isEmpty. Operand 8630 states and 12498 transitions. [2023-12-21 12:33:15,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 969 [2023-12-21 12:33:15,311 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:33:15,312 INFO L195 NwaCegarLoop]: trace histogram [113, 113, 113, 4, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:33:15,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-12-21 12:33:15,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-12-21 12:33:15,525 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:33:15,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:33:15,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1221982063, now seen corresponding path program 1 times [2023-12-21 12:33:15,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:33:15,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637306918] [2023-12-21 12:33:15,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:33:15,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:33:15,901 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 12:33:15,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [813588487] [2023-12-21 12:33:15,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:33:15,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 12:33:15,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 12:33:15,903 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 12:33:15,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-21 12:33:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:33:17,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 3259 conjuncts, 89 conjunts are in the unsatisfiable core [2023-12-21 12:33:17,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 12:33:17,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2023-12-21 12:33:17,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2023-12-21 12:33:18,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 183 treesize of output 178 [2023-12-21 12:33:18,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 183 treesize of output 178 [2023-12-21 12:33:19,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 356 treesize of output 300 [2023-12-21 12:33:23,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 210 treesize of output 152 [2023-12-21 12:33:23,652 INFO L134 CoverageAnalysis]: Checked inductivity of 25336 backedges. 10568 proven. 1400 refuted. 0 times theorem prover too weak. 13368 trivial. 0 not checked. [2023-12-21 12:33:23,652 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 12:33:24,566 INFO L134 CoverageAnalysis]: Checked inductivity of 25336 backedges. 72 proven. 264 refuted. 0 times theorem prover too weak. 25000 trivial. 0 not checked. [2023-12-21 12:33:24,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:33:24,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637306918] [2023-12-21 12:33:24,566 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 12:33:24,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813588487] [2023-12-21 12:33:24,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813588487] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 12:33:24,566 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-21 12:33:24,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 20 [2023-12-21 12:33:24,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379648142] [2023-12-21 12:33:24,566 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-21 12:33:24,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-21 12:33:24,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:33:24,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-21 12:33:24,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2023-12-21 12:33:24,570 INFO L87 Difference]: Start difference. First operand 8630 states and 12498 transitions. Second operand has 20 states, 18 states have (on average 36.22222222222222) internal successors, (652), 19 states have internal predecessors, (652), 9 states have call successors, (251), 6 states have call predecessors, (251), 7 states have return successors, (250), 7 states have call predecessors, (250), 9 states have call successors, (250) [2023-12-21 12:33:30,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:33:42,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:33:46,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:33:50,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:33:54,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:33:58,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:34:02,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:34:06,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:34:10,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:34:14,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:34:18,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:34:22,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:35:07,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:35:07,111 INFO L93 Difference]: Finished difference Result 33471 states and 47054 transitions. [2023-12-21 12:35:07,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-21 12:35:07,112 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 36.22222222222222) internal successors, (652), 19 states have internal predecessors, (652), 9 states have call successors, (251), 6 states have call predecessors, (251), 7 states have return successors, (250), 7 states have call predecessors, (250), 9 states have call successors, (250) Word has length 968 [2023-12-21 12:35:07,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:35:07,324 INFO L225 Difference]: With dead ends: 33471 [2023-12-21 12:35:07,325 INFO L226 Difference]: Without dead ends: 26202 [2023-12-21 12:35:07,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1999 GetRequests, 1931 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1113 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=1143, Invalid=3687, Unknown=0, NotChecked=0, Total=4830 [2023-12-21 12:35:07,410 INFO L413 NwaCegarLoop]: 1431 mSDtfsCounter, 9981 mSDsluCounter, 5215 mSDsCounter, 0 mSdLazyCounter, 12964 mSolverCounterSat, 11340 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 87.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9981 SdHoareTripleChecker+Valid, 6646 SdHoareTripleChecker+Invalid, 24315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11340 IncrementalHoareTripleChecker+Valid, 12964 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 90.6s IncrementalHoareTripleChecker+Time [2023-12-21 12:35:07,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9981 Valid, 6646 Invalid, 24315 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11340 Valid, 12964 Invalid, 11 Unknown, 0 Unchecked, 90.6s Time] [2023-12-21 12:35:07,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26202 states. [2023-12-21 12:35:13,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26202 to 20344. [2023-12-21 12:35:13,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20344 states, 12413 states have (on average 1.2026907274631435) internal successors, (14929), 12985 states have internal predecessors, (14929), 6312 states have call successors, (6312), 1443 states have call predecessors, (6312), 1618 states have return successors, (7652), 6216 states have call predecessors, (7652), 6310 states have call successors, (7652) [2023-12-21 12:35:13,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20344 states to 20344 states and 28893 transitions. [2023-12-21 12:35:13,455 INFO L78 Accepts]: Start accepts. Automaton has 20344 states and 28893 transitions. Word has length 968 [2023-12-21 12:35:13,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:35:13,456 INFO L495 AbstractCegarLoop]: Abstraction has 20344 states and 28893 transitions. [2023-12-21 12:35:13,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 36.22222222222222) internal successors, (652), 19 states have internal predecessors, (652), 9 states have call successors, (251), 6 states have call predecessors, (251), 7 states have return successors, (250), 7 states have call predecessors, (250), 9 states have call successors, (250) [2023-12-21 12:35:13,457 INFO L276 IsEmpty]: Start isEmpty. Operand 20344 states and 28893 transitions. [2023-12-21 12:35:13,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 934 [2023-12-21 12:35:13,630 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:35:13,630 INFO L195 NwaCegarLoop]: trace histogram [111, 111, 111, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:35:13,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-21 12:35:13,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-12-21 12:35:13,845 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:35:13,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:35:13,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1848680929, now seen corresponding path program 1 times [2023-12-21 12:35:13,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:35:13,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239376674] [2023-12-21 12:35:13,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:35:13,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:35:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:35:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 12:35:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 12:35:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-21 12:35:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 12:35:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-21 12:35:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-21 12:35:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-21 12:35:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 12:35:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 12:35:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 12:35:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 12:35:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-21 12:35:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 12:35:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-21 12:35:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-21 12:35:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-21 12:35:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-21 12:35:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-21 12:35:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-21 12:35:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-21 12:35:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-21 12:35:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-21 12:35:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-21 12:35:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-21 12:35:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-21 12:35:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-21 12:35:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-21 12:35:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-21 12:35:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-21 12:35:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-21 12:35:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-21 12:35:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-21 12:35:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-21 12:35:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-21 12:35:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-21 12:35:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-21 12:35:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-21 12:35:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-21 12:35:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-21 12:35:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-21 12:35:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-21 12:35:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-21 12:35:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-21 12:35:15,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-21 12:35:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-21 12:35:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-21 12:35:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-21 12:35:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-21 12:35:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-21 12:35:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-21 12:35:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-21 12:35:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-21 12:35:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-21 12:35:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-21 12:35:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-21 12:35:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-21 12:35:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-21 12:35:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-21 12:35:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-21 12:35:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-21 12:35:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-21 12:35:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-21 12:35:15,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-21 12:35:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-21 12:35:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-21 12:35:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-21 12:35:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-21 12:35:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-21 12:35:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-21 12:35:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-21 12:35:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-21 12:35:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-21 12:35:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-21 12:35:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-21 12:35:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-21 12:35:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-21 12:35:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-21 12:35:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-21 12:35:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-21 12:35:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-21 12:35:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-21 12:35:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:15,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-21 12:35:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-21 12:35:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-21 12:35:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-21 12:35:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2023-12-21 12:35:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-21 12:35:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2023-12-21 12:35:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-21 12:35:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2023-12-21 12:35:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2023-12-21 12:35:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2023-12-21 12:35:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2023-12-21 12:35:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2023-12-21 12:35:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2023-12-21 12:35:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2023-12-21 12:35:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2023-12-21 12:35:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2023-12-21 12:35:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2023-12-21 12:35:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 803 [2023-12-21 12:35:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2023-12-21 12:35:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2023-12-21 12:35:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2023-12-21 12:35:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-12-21 12:35:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2023-12-21 12:35:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2023-12-21 12:35:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-12-21 12:35:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2023-12-21 12:35:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-12-21 12:35:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-12-21 12:35:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2023-12-21 12:35:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 875 [2023-12-21 12:35:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2023-12-21 12:35:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 887 [2023-12-21 12:35:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2023-12-21 12:35:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2023-12-21 12:35:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 905 [2023-12-21 12:35:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 911 [2023-12-21 12:35:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 917 [2023-12-21 12:35:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 923 [2023-12-21 12:35:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:16,297 INFO L134 CoverageAnalysis]: Checked inductivity of 24620 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24600 trivial. 0 not checked. [2023-12-21 12:35:16,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:35:16,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239376674] [2023-12-21 12:35:16,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239376674] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:35:16,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:35:16,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 12:35:16,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452471222] [2023-12-21 12:35:16,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:35:16,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 12:35:16,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:35:16,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 12:35:16,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 12:35:16,304 INFO L87 Difference]: Start difference. First operand 20344 states and 28893 transitions. Second operand has 6 states, 5 states have (on average 66.6) internal successors, (333), 5 states have internal predecessors, (333), 2 states have call successors, (122), 2 states have call predecessors, (122), 1 states have return successors, (121), 1 states have call predecessors, (121), 1 states have call successors, (121) [2023-12-21 12:35:20,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:35:24,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:35:28,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:35:32,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:35:38,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:35:38,134 INFO L93 Difference]: Finished difference Result 20352 states and 28899 transitions. [2023-12-21 12:35:38,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 12:35:38,135 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 66.6) internal successors, (333), 5 states have internal predecessors, (333), 2 states have call successors, (122), 2 states have call predecessors, (122), 1 states have return successors, (121), 1 states have call predecessors, (121), 1 states have call successors, (121) Word has length 933 [2023-12-21 12:35:38,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:35:38,194 INFO L225 Difference]: With dead ends: 20352 [2023-12-21 12:35:38,194 INFO L226 Difference]: Without dead ends: 20350 [2023-12-21 12:35:38,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-21 12:35:38,202 INFO L413 NwaCegarLoop]: 1839 mSDtfsCounter, 1446 mSDsluCounter, 6124 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1446 SdHoareTripleChecker+Valid, 7963 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2023-12-21 12:35:38,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1446 Valid, 7963 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 296 Invalid, 4 Unknown, 0 Unchecked, 16.4s Time] [2023-12-21 12:35:38,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20350 states. [2023-12-21 12:35:44,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20350 to 20348. [2023-12-21 12:35:44,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20348 states, 12416 states have (on average 1.2026417525773196) internal successors, (14932), 12988 states have internal predecessors, (14932), 6312 states have call successors, (6312), 1444 states have call predecessors, (6312), 1619 states have return successors, (7652), 6216 states have call predecessors, (7652), 6310 states have call successors, (7652) [2023-12-21 12:35:44,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20348 states to 20348 states and 28896 transitions. [2023-12-21 12:35:44,285 INFO L78 Accepts]: Start accepts. Automaton has 20348 states and 28896 transitions. Word has length 933 [2023-12-21 12:35:44,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:35:44,286 INFO L495 AbstractCegarLoop]: Abstraction has 20348 states and 28896 transitions. [2023-12-21 12:35:44,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 66.6) internal successors, (333), 5 states have internal predecessors, (333), 2 states have call successors, (122), 2 states have call predecessors, (122), 1 states have return successors, (121), 1 states have call predecessors, (121), 1 states have call successors, (121) [2023-12-21 12:35:44,286 INFO L276 IsEmpty]: Start isEmpty. Operand 20348 states and 28896 transitions. [2023-12-21 12:35:44,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 969 [2023-12-21 12:35:44,366 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:35:44,366 INFO L195 NwaCegarLoop]: trace histogram [113, 113, 113, 4, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:35:44,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-21 12:35:44,372 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:35:44,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:35:44,372 INFO L85 PathProgramCache]: Analyzing trace with hash -908295811, now seen corresponding path program 1 times [2023-12-21 12:35:44,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:35:44,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935898958] [2023-12-21 12:35:44,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:35:44,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:35:44,686 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 12:35:44,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1353429305] [2023-12-21 12:35:44,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:35:44,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 12:35:44,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 12:35:44,688 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 12:35:44,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-21 12:35:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:35:46,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 3259 conjuncts, 99 conjunts are in the unsatisfiable core [2023-12-21 12:35:46,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 12:35:46,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2023-12-21 12:35:46,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2023-12-21 12:35:46,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 183 treesize of output 178 [2023-12-21 12:35:46,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 183 treesize of output 178 [2023-12-21 12:35:48,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 356 treesize of output 316 [2023-12-21 12:35:52,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 210 treesize of output 152 [2023-12-21 12:35:53,021 INFO L134 CoverageAnalysis]: Checked inductivity of 25336 backedges. 10570 proven. 1446 refuted. 0 times theorem prover too weak. 13320 trivial. 0 not checked. [2023-12-21 12:35:53,021 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 12:35:54,088 INFO L134 CoverageAnalysis]: Checked inductivity of 25336 backedges. 66 proven. 270 refuted. 0 times theorem prover too weak. 25000 trivial. 0 not checked. [2023-12-21 12:35:54,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:35:54,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935898958] [2023-12-21 12:35:54,089 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 12:35:54,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353429305] [2023-12-21 12:35:54,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353429305] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 12:35:54,089 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-21 12:35:54,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 20 [2023-12-21 12:35:54,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296239685] [2023-12-21 12:35:54,089 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-21 12:35:54,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-21 12:35:54,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:35:54,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-21 12:35:54,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2023-12-21 12:35:54,093 INFO L87 Difference]: Start difference. First operand 20348 states and 28896 transitions. Second operand has 20 states, 18 states have (on average 36.0) internal successors, (648), 19 states have internal predecessors, (648), 9 states have call successors, (251), 6 states have call predecessors, (251), 7 states have return successors, (250), 7 states have call predecessors, (250), 9 states have call successors, (250) [2023-12-21 12:35:56,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:35:58,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:36:10,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:36:14,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:36:18,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:36:22,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:36:26,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:36:30,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:36:34,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:36:38,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:36:42,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:36:46,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:36:50,752 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 [] [2023-12-21 12:37:48,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:37:48,509 INFO L93 Difference]: Finished difference Result 82243 states and 115097 transitions. [2023-12-21 12:37:48,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-21 12:37:48,511 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 36.0) internal successors, (648), 19 states have internal predecessors, (648), 9 states have call successors, (251), 6 states have call predecessors, (251), 7 states have return successors, (250), 7 states have call predecessors, (250), 9 states have call successors, (250) Word has length 968 [2023-12-21 12:37:48,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:37:48,733 INFO L225 Difference]: With dead ends: 82243 [2023-12-21 12:37:48,733 INFO L226 Difference]: Without dead ends: 63204 [2023-12-21 12:37:48,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1999 GetRequests, 1931 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1113 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=1143, Invalid=3687, Unknown=0, NotChecked=0, Total=4830 [2023-12-21 12:37:48,798 INFO L413 NwaCegarLoop]: 1429 mSDtfsCounter, 9260 mSDsluCounter, 5192 mSDsCounter, 0 mSdLazyCounter, 12950 mSolverCounterSat, 10441 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 84.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9260 SdHoareTripleChecker+Valid, 6621 SdHoareTripleChecker+Invalid, 23402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10441 IncrementalHoareTripleChecker+Valid, 12950 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 88.0s IncrementalHoareTripleChecker+Time [2023-12-21 12:37:48,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9260 Valid, 6621 Invalid, 23402 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10441 Valid, 12950 Invalid, 11 Unknown, 0 Unchecked, 88.0s Time] [2023-12-21 12:37:48,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63204 states. [2023-12-21 12:38:05,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63204 to 44886. [2023-12-21 12:38:05,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44886 states, 27453 states have (on average 1.2032564747022183) internal successors, (33033), 28679 states have internal predecessors, (33033), 13656 states have call successors, (13656), 3395 states have call predecessors, (13656), 3776 states have return successors, (16580), 13408 states have call predecessors, (16580), 13654 states have call successors, (16580) [2023-12-21 12:38:05,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44886 states to 44886 states and 63269 transitions. [2023-12-21 12:38:05,601 INFO L78 Accepts]: Start accepts. Automaton has 44886 states and 63269 transitions. Word has length 968 [2023-12-21 12:38:05,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:38:05,602 INFO L495 AbstractCegarLoop]: Abstraction has 44886 states and 63269 transitions. [2023-12-21 12:38:05,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 36.0) internal successors, (648), 19 states have internal predecessors, (648), 9 states have call successors, (251), 6 states have call predecessors, (251), 7 states have return successors, (250), 7 states have call predecessors, (250), 9 states have call successors, (250) [2023-12-21 12:38:05,604 INFO L276 IsEmpty]: Start isEmpty. Operand 44886 states and 63269 transitions. [2023-12-21 12:38:05,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 940 [2023-12-21 12:38:05,813 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:38:05,813 INFO L195 NwaCegarLoop]: trace histogram [111, 111, 111, 12, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:38:05,836 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-12-21 12:38:06,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-12-21 12:38:06,029 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:38:06,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:38:06,029 INFO L85 PathProgramCache]: Analyzing trace with hash -241484206, now seen corresponding path program 1 times [2023-12-21 12:38:06,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:38:06,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367853345] [2023-12-21 12:38:06,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:38:06,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:38:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:38:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 12:38:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 12:38:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-21 12:38:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 12:38:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-21 12:38:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-21 12:38:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-21 12:38:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 12:38:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 12:38:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 12:38:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 12:38:07,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-21 12:38:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 12:38:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-21 12:38:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-21 12:38:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-21 12:38:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-21 12:38:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-21 12:38:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-21 12:38:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-21 12:38:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-21 12:38:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-21 12:38:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-21 12:38:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-21 12:38:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-21 12:38:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-21 12:38:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-21 12:38:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-21 12:38:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-21 12:38:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-21 12:38:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-21 12:38:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-21 12:38:07,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-21 12:38:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-21 12:38:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-21 12:38:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-21 12:38:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-21 12:38:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-21 12:38:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-21 12:38:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-21 12:38:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-21 12:38:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-21 12:38:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-21 12:38:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-21 12:38:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-21 12:38:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-21 12:38:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-21 12:38:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-21 12:38:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-21 12:38:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-21 12:38:07,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-21 12:38:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-21 12:38:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-21 12:38:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-21 12:38:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-21 12:38:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-21 12:38:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-21 12:38:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-21 12:38:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-21 12:38:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-21 12:38:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-21 12:38:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-21 12:38:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-21 12:38:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-21 12:38:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-21 12:38:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-21 12:38:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-21 12:38:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-21 12:38:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-21 12:38:07,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-21 12:38:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-21 12:38:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-21 12:38:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-21 12:38:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-21 12:38:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-21 12:38:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-21 12:38:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-21 12:38:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-21 12:38:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-21 12:38:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-21 12:38:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-21 12:38:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-21 12:38:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-21 12:38:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-21 12:38:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-21 12:38:07,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2023-12-21 12:38:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-21 12:38:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2023-12-21 12:38:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-21 12:38:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2023-12-21 12:38:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2023-12-21 12:38:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2023-12-21 12:38:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2023-12-21 12:38:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2023-12-21 12:38:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2023-12-21 12:38:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2023-12-21 12:38:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2023-12-21 12:38:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2023-12-21 12:38:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2023-12-21 12:38:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 803 [2023-12-21 12:38:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2023-12-21 12:38:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2023-12-21 12:38:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2023-12-21 12:38:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-12-21 12:38:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2023-12-21 12:38:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2023-12-21 12:38:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-12-21 12:38:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2023-12-21 12:38:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-12-21 12:38:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-12-21 12:38:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2023-12-21 12:38:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 875 [2023-12-21 12:38:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2023-12-21 12:38:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 887 [2023-12-21 12:38:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2023-12-21 12:38:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2023-12-21 12:38:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 905 [2023-12-21 12:38:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 911 [2023-12-21 12:38:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 917 [2023-12-21 12:38:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 923 [2023-12-21 12:38:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 929 [2023-12-21 12:38:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:07,418 INFO L134 CoverageAnalysis]: Checked inductivity of 24662 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 24640 trivial. 0 not checked. [2023-12-21 12:38:07,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:38:07,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367853345] [2023-12-21 12:38:07,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367853345] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:38:07,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:38:07,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 12:38:07,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863081280] [2023-12-21 12:38:07,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:38:07,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 12:38:07,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:38:07,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 12:38:07,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 12:38:07,421 INFO L87 Difference]: Start difference. First operand 44886 states and 63269 transitions. Second operand has 6 states, 5 states have (on average 66.8) internal successors, (334), 5 states have internal predecessors, (334), 2 states have call successors, (123), 2 states have call predecessors, (123), 1 states have return successors, (122), 1 states have call predecessors, (122), 1 states have call successors, (122) [2023-12-21 12:38:11,544 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 [] [2023-12-21 12:38:15,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:38:19,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:38:23,571 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 [] Received shutdown request... [2023-12-21 12:38:32,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 12:38:32,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 12:38:32,295 INFO L413 NwaCegarLoop]: 1561 mSDtfsCounter, 1306 mSDsluCounter, 5019 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1306 SdHoareTripleChecker+Valid, 6580 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2023-12-21 12:38:32,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1306 Valid, 6580 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 138 Invalid, 4 Unknown, 0 Unchecked, 16.2s Time] [2023-12-21 12:38:32,296 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-21 12:38:32,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-21 12:38:32,297 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (44886states) and FLOYD_HOARE automaton (currently 3 states, 6 states before enhancement),while ReachableStatesComputation was computing reachable states (26434 states constructed, input type IntersectNwa). [2023-12-21 12:38:32,299 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:38:32,302 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-21 12:38:32,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 12:38:32 BoogieIcfgContainer [2023-12-21 12:38:32,303 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-21 12:38:32,304 INFO L158 Benchmark]: Toolchain (without parser) took 864262.25ms. Allocated memory was 257.9MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 204.8MB in the beginning and 705.5MB in the end (delta: -500.7MB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. [2023-12-21 12:38:32,304 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 176.2MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 12:38:32,306 INFO L158 Benchmark]: CACSL2BoogieTranslator took 771.17ms. Allocated memory is still 257.9MB. Free memory was 204.3MB in the beginning and 198.8MB in the end (delta: 5.5MB). Peak memory consumption was 62.1MB. Max. memory is 8.0GB. [2023-12-21 12:38:32,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 174.23ms. Allocated memory is still 257.9MB. Free memory was 198.8MB in the beginning and 162.1MB in the end (delta: 36.7MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. [2023-12-21 12:38:32,306 INFO L158 Benchmark]: Boogie Preprocessor took 317.12ms. Allocated memory is still 257.9MB. Free memory was 162.1MB in the beginning and 131.2MB in the end (delta: 30.9MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. [2023-12-21 12:38:32,306 INFO L158 Benchmark]: RCFGBuilder took 8124.61ms. Allocated memory was 257.9MB in the beginning and 403.7MB in the end (delta: 145.8MB). Free memory was 131.2MB in the beginning and 263.5MB in the end (delta: -132.3MB). Peak memory consumption was 101.5MB. Max. memory is 8.0GB. [2023-12-21 12:38:32,306 INFO L158 Benchmark]: TraceAbstraction took 854869.11ms. Allocated memory was 403.7MB in the beginning and 3.0GB in the end (delta: 2.6GB). Free memory was 262.5MB in the beginning and 705.5MB in the end (delta: -443.0MB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. [2023-12-21 12:38:32,310 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 124.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 771.17ms. Allocated memory is still 257.9MB. Free memory was 204.3MB in the beginning and 198.8MB in the end (delta: 5.5MB). Peak memory consumption was 62.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 174.23ms. Allocated memory is still 257.9MB. Free memory was 198.8MB in the beginning and 162.1MB in the end (delta: 36.7MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 317.12ms. Allocated memory is still 257.9MB. Free memory was 162.1MB in the beginning and 131.2MB in the end (delta: 30.9MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. * RCFGBuilder took 8124.61ms. Allocated memory was 257.9MB in the beginning and 403.7MB in the end (delta: 145.8MB). Free memory was 131.2MB in the beginning and 263.5MB in the end (delta: -132.3MB). Peak memory consumption was 101.5MB. Max. memory is 8.0GB. * TraceAbstraction took 854869.11ms. Allocated memory was 403.7MB in the beginning and 3.0GB in the end (delta: 2.6GB). Free memory was 262.5MB in the beginning and 705.5MB in the end (delta: -443.0MB). Peak memory consumption was 2.5GB. 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.ok3.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: 50]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 50). Cancelled while NwaCegarLoop was constructing difference of abstraction (44886states) and FLOYD_HOARE automaton (currently 3 states, 6 states before enhancement),while ReachableStatesComputation was computing reachable states (26434 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 19 procedures, 1255 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 854.8s, OverallIterations: 25, TraceHistogramMax: 117, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.9s, AutomataDifference: 730.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 121 mSolverCounterUnknown, 61734 SdHoareTripleChecker+Valid, 662.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 61131 mSDsluCounter, 166151 SdHoareTripleChecker+Invalid, 645.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 119207 mSDsCounter, 36237 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66655 IncrementalHoareTripleChecker+Invalid, 103013 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36237 mSolverCounterUnsat, 46944 mSDtfsCounter, 66655 mSolverCounterSat, 1.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17925 GetRequests, 17582 SyntacticMatches, 0 SemanticMatches, 343 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3797 ImplicationChecksByTransitivity, 20.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44886occurred in iteration=24, InterpolantAutomatonStates: 291, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 37.0s AutomataMinimizationTime, 24 MinimizatonAttempts, 25751 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 3.6s SsaConstructionTime, 9.4s SatisfiabilityAnalysisTime, 53.0s InterpolantComputationTime, 31077 NumberOfCodeBlocks, 31077 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 26223 ConstructedInterpolants, 12 QuantifiedInterpolants, 335358 SizeOfPredicates, 55 NumberOfNonLiveVariables, 39097 ConjunctsInSsa, 375 ConjunctsInUnsatCore, 28 InterpolantComputations, 22 PerfectInterpolantSequences, 695996/701157 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