/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.2.M1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 01:48:05,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 01:48:06,055 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-20 01:48:06,059 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 01:48:06,059 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 01:48:06,081 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 01:48:06,082 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 01:48:06,083 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 01:48:06,083 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 01:48:06,087 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 01:48:06,087 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 01:48:06,088 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 01:48:06,088 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 01:48:06,089 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 01:48:06,089 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 01:48:06,090 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 01:48:06,090 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 01:48:06,090 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 01:48:06,090 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 01:48:06,090 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 01:48:06,091 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 01:48:06,091 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 01:48:06,091 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 01:48:06,091 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 01:48:06,091 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 01:48:06,092 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 01:48:06,092 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 01:48:06,092 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 01:48:06,092 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 01:48:06,092 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 01:48:06,092 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 01:48:06,092 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 01:48:06,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 01:48:06,093 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 01:48:06,093 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 01:48:06,093 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 01:48:06,093 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 01:48:06,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 01:48:06,093 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 01:48:06,094 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 01:48:06,094 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 01:48:06,094 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 01:48:06,094 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 01:48:06,094 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-20 01:48:06,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 01:48:06,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 01:48:06,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 01:48:06,257 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 01:48:06,257 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 01:48:06,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.2.M1-1.c [2023-12-20 01:48:07,279 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 01:48:07,489 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 01:48:07,490 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.2.M1-1.c [2023-12-20 01:48:07,510 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11e2857e8/8083ae869c9b451abe48cfb7c66fafa6/FLAGdbed8aab0 [2023-12-20 01:48:07,519 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11e2857e8/8083ae869c9b451abe48cfb7c66fafa6 [2023-12-20 01:48:07,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 01:48:07,521 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 01:48:07,522 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 01:48:07,522 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 01:48:07,528 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 01:48:07,528 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 01:48:07" (1/1) ... [2023-12-20 01:48:07,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@635d043a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:48:07, skipping insertion in model container [2023-12-20 01:48:07,529 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 01:48:07" (1/1) ... [2023-12-20 01:48:07,596 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 01:48:07,729 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.2.M1-1.c[2020,2033] [2023-12-20 01:48:08,056 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 01:48:08,089 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 01:48:08,096 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.bug2.i","-S") [47] [2023-12-20 01:48:08,125 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.2.M1-1.c[2020,2033] [2023-12-20 01:48:08,220 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 01:48:08,234 INFO L206 MainTranslator]: Completed translation [2023-12-20 01:48:08,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:48:08 WrapperNode [2023-12-20 01:48:08,235 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 01:48:08,236 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 01:48:08,236 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 01:48:08,236 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 01:48:08,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:48:08" (1/1) ... [2023-12-20 01:48:08,283 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:48:08" (1/1) ... [2023-12-20 01:48:08,398 INFO L138 Inliner]: procedures = 62, calls = 1929, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 4255 [2023-12-20 01:48:08,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 01:48:08,399 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 01:48:08,399 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 01:48:08,399 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 01:48:08,407 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:48:08" (1/1) ... [2023-12-20 01:48:08,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:48:08" (1/1) ... [2023-12-20 01:48:08,437 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:48:08" (1/1) ... [2023-12-20 01:48:08,544 INFO L175 MemorySlicer]: Split 1423 memory accesses to 22 slices as follows [2, 49, 5, 3, 241, 282, 156, 113, 79, 8, 57, 56, 79, 56, 79, 56, 79, 7, 4, 2, 2, 8]. 20 percent of accesses are in the largest equivalence class. The 37 initializations are split as follows [2, 24, 2, 1, 0, 0, 2, 2, 1, 0, 1, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0]. The 240 writes are split as follows [0, 1, 1, 1, 25, 25, 2, 2, 1, 4, 1, 29, 27, 29, 27, 29, 27, 3, 0, 1, 1, 4]. [2023-12-20 01:48:08,544 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:48:08" (1/1) ... [2023-12-20 01:48:08,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:48:08" (1/1) ... [2023-12-20 01:48:08,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:48:08" (1/1) ... [2023-12-20 01:48:08,635 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:48:08" (1/1) ... [2023-12-20 01:48:08,653 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:48:08" (1/1) ... [2023-12-20 01:48:08,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:48:08" (1/1) ... [2023-12-20 01:48:08,689 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 01:48:08,690 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 01:48:08,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 01:48:08,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 01:48:08,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:48:08" (1/1) ... [2023-12-20 01:48:08,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 01:48:08,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 01:48:08,715 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) [2023-12-20 01:48:08,732 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 [2023-12-20 01:48:08,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 01:48:08,736 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-12-20 01:48:08,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-12-20 01:48:08,736 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-12-20 01:48:08,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-12-20 01:48:08,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-20 01:48:08,739 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-12-20 01:48:08,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-12-20 01:48:08,739 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-12-20 01:48:08,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-12-20 01:48:08,739 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2023-12-20 01:48:08,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2023-12-20 01:48:08,739 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-12-20 01:48:08,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-12-20 01:48:08,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-20 01:48:08,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-20 01:48:08,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-12-20 01:48:08,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-12-20 01:48:08,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-12-20 01:48:08,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-12-20 01:48:08,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-12-20 01:48:08,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-12-20 01:48:08,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-12-20 01:48:08,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-12-20 01:48:08,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-12-20 01:48:08,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-12-20 01:48:08,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-12-20 01:48:08,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-12-20 01:48:08,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-12-20 01:48:08,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-12-20 01:48:08,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-12-20 01:48:08,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-12-20 01:48:08,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-12-20 01:48:08,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-12-20 01:48:08,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-12-20 01:48:08,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-12-20 01:48:08,742 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-12-20 01:48:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-12-20 01:48:08,742 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-12-20 01:48:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-12-20 01:48:08,742 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-12-20 01:48:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-12-20 01:48:08,742 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-12-20 01:48:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-12-20 01:48:08,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-20 01:48:08,742 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2023-12-20 01:48:08,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2023-12-20 01:48:08,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-20 01:48:08,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-20 01:48:08,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-12-20 01:48:08,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-12-20 01:48:08,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-12-20 01:48:08,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-12-20 01:48:08,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-12-20 01:48:08,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-12-20 01:48:08,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-12-20 01:48:08,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-12-20 01:48:08,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-12-20 01:48:08,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-12-20 01:48:08,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-12-20 01:48:08,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-12-20 01:48:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-12-20 01:48:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-12-20 01:48:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-12-20 01:48:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-12-20 01:48:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-12-20 01:48:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-12-20 01:48:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-12-20 01:48:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-12-20 01:48:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-12-20 01:48:08,745 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-12-20 01:48:08,745 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-12-20 01:48:08,745 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-12-20 01:48:08,745 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2023-12-20 01:48:08,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2023-12-20 01:48:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-20 01:48:08,746 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-20 01:48:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 01:48:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-20 01:48:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-20 01:48:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-20 01:48:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-12-20 01:48:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-12-20 01:48:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-12-20 01:48:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-12-20 01:48:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-12-20 01:48:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-12-20 01:48:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-12-20 01:48:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-12-20 01:48:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-12-20 01:48:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-12-20 01:48:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-12-20 01:48:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-12-20 01:48:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-12-20 01:48:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-12-20 01:48:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-12-20 01:48:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-12-20 01:48:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-12-20 01:48:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-12-20 01:48:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 01:48:08,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 01:48:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-12-20 01:48:08,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-12-20 01:48:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-12-20 01:48:08,748 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-12-20 01:48:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-12-20 01:48:08,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-12-20 01:48:09,171 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 01:48:09,173 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 01:48:15,991 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 01:48:16,076 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 01:48:16,076 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-20 01:48:16,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 01:48:16 BoogieIcfgContainer [2023-12-20 01:48:16,076 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 01:48:16,078 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 01:48:16,078 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 01:48:16,081 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 01:48:16,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 01:48:07" (1/3) ... [2023-12-20 01:48:16,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12a24bde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 01:48:16, skipping insertion in model container [2023-12-20 01:48:16,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:48:08" (2/3) ... [2023-12-20 01:48:16,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12a24bde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 01:48:16, skipping insertion in model container [2023-12-20 01:48:16,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 01:48:16" (3/3) ... [2023-12-20 01:48:16,082 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_nxt.2.M1-1.c [2023-12-20 01:48:16,094 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 01:48:16,094 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-20 01:48:16,140 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 01:48:16,144 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;@3901d3a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 01:48:16,144 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-20 01:48:16,152 INFO L276 IsEmpty]: Start isEmpty. Operand has 1255 states, 780 states have (on average 1.2871794871794873) internal successors, (1004), 812 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) [2023-12-20 01:48:16,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 874 [2023-12-20 01:48:16,211 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:48:16,243 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] [2023-12-20 01:48:16,243 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:48:16,246 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:48:16,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1591512209, now seen corresponding path program 1 times [2023-12-20 01:48:16,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:48:16,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066143913] [2023-12-20 01:48:16,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:48:16,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:48:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-20 01:48:17,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 01:48:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 01:48:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-20 01:48:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-20 01:48:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-20 01:48:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-20 01:48:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-20 01:48:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-20 01:48:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-20 01:48:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-20 01:48:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-20 01:48:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-20 01:48:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-20 01:48:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-20 01:48:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 01:48:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 01:48:17,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-20 01:48:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-20 01:48:17,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-20 01:48:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-20 01:48:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-20 01:48:17,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-20 01:48:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-20 01:48:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-20 01:48:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-20 01:48:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-20 01:48:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-20 01:48:17,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-20 01:48:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-20 01:48:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-20 01:48:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-20 01:48:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-20 01:48:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-20 01:48:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-20 01:48:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-20 01:48:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-20 01:48:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-20 01:48:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-20 01:48:17,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-20 01:48:17,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-20 01:48:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-20 01:48:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-20 01:48:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-20 01:48:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-20 01:48:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-20 01:48:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-20 01:48:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-20 01:48:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-20 01:48:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-20 01:48:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-20 01:48:17,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-20 01:48:17,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-20 01:48:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-20 01:48:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-20 01:48:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-20 01:48:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-20 01:48:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-20 01:48:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-20 01:48:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-20 01:48:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-20 01:48:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-20 01:48:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-20 01:48:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-20 01:48:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-20 01:48:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-20 01:48:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-20 01:48:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-20 01:48:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-20 01:48:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-20 01:48:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-20 01:48:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-20 01:48:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-20 01:48:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-20 01:48:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-20 01:48:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-20 01:48:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-20 01:48:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-20 01:48:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-20 01:48:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-20 01:48:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-20 01:48:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-20 01:48:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-20 01:48:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-20 01:48:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-20 01:48:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-20 01:48:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2023-12-20 01:48:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-20 01:48:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2023-12-20 01:48:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-20 01:48:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2023-12-20 01:48:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2023-12-20 01:48:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2023-12-20 01:48:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2023-12-20 01:48:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2023-12-20 01:48:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2023-12-20 01:48:17,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2023-12-20 01:48:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2023-12-20 01:48:17,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2023-12-20 01:48:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2023-12-20 01:48:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 803 [2023-12-20 01:48:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2023-12-20 01:48:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2023-12-20 01:48:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2023-12-20 01:48:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-12-20 01:48:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2023-12-20 01:48:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2023-12-20 01:48:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-12-20 01:48:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2023-12-20 01:48:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-12-20 01:48:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-12-20 01:48:17,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:17,617 INFO L134 CoverageAnalysis]: Checked inductivity of 24420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24420 trivial. 0 not checked. [2023-12-20 01:48:17,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:48:17,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066143913] [2023-12-20 01:48:17,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066143913] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:48:17,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:48:17,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 01:48:17,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383655195] [2023-12-20 01:48:17,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:48:17,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-20 01:48:17,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:48:17,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-20 01:48:17,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 01:48:17,657 INFO L87 Difference]: Start difference. First operand has 1255 states, 780 states have (on average 1.2871794871794873) internal successors, (1004), 812 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) [2023-12-20 01:48:21,751 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 [] [2023-12-20 01:48:21,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:48:21,828 INFO L93 Difference]: Finished difference Result 2508 states and 4262 transitions. [2023-12-20 01:48:21,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-20 01:48:21,830 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 [2023-12-20 01:48:21,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:48:21,843 INFO L225 Difference]: With dead ends: 2508 [2023-12-20 01:48:21,843 INFO L226 Difference]: Without dead ends: 1251 [2023-12-20 01:48:21,851 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 [2023-12-20 01:48:21,853 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 [2023-12-20 01:48:21,854 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] [2023-12-20 01:48:21,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2023-12-20 01:48:22,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1251. [2023-12-20 01:48:22,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1251 states, 777 states have (on average 1.2831402831402832) internal successors, (997), 809 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) [2023-12-20 01:48:22,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 1251 states and 1906 transitions. [2023-12-20 01:48:22,068 INFO L78 Accepts]: Start accepts. Automaton has 1251 states and 1906 transitions. Word has length 873 [2023-12-20 01:48:22,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:48:22,068 INFO L495 AbstractCegarLoop]: Abstraction has 1251 states and 1906 transitions. [2023-12-20 01:48:22,069 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) [2023-12-20 01:48:22,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1906 transitions. [2023-12-20 01:48:22,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 874 [2023-12-20 01:48:22,090 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:48:22,091 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] [2023-12-20 01:48:22,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-20 01:48:22,091 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:48:22,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:48:22,092 INFO L85 PathProgramCache]: Analyzing trace with hash -2093206285, now seen corresponding path program 1 times [2023-12-20 01:48:22,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:48:22,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172871040] [2023-12-20 01:48:22,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:48:22,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:48:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-20 01:48:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 01:48:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 01:48:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-20 01:48:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-20 01:48:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-20 01:48:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-20 01:48:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-20 01:48:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-20 01:48:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-20 01:48:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-20 01:48:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-20 01:48:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-20 01:48:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-20 01:48:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-20 01:48:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 01:48:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 01:48:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-20 01:48:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-20 01:48:23,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-20 01:48:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-20 01:48:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-20 01:48:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-20 01:48:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-20 01:48:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-20 01:48:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-20 01:48:23,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-20 01:48:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-20 01:48:23,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-20 01:48:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-20 01:48:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-20 01:48:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-20 01:48:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-20 01:48:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-20 01:48:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-20 01:48:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-20 01:48:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-20 01:48:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-20 01:48:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-20 01:48:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-20 01:48:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-20 01:48:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-20 01:48:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-20 01:48:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-20 01:48:23,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-20 01:48:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-20 01:48:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-20 01:48:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-20 01:48:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-20 01:48:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-20 01:48:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-20 01:48:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-20 01:48:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-20 01:48:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-20 01:48:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-20 01:48:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-20 01:48:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-20 01:48:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:23,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-20 01:48:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-20 01:48:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-20 01:48:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-20 01:48:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-20 01:48:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-20 01:48:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-20 01:48:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-20 01:48:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-20 01:48:24,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-20 01:48:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-20 01:48:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-20 01:48:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-20 01:48:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-20 01:48:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-20 01:48:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-20 01:48:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-20 01:48:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-20 01:48:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-20 01:48:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-20 01:48:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-20 01:48:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-20 01:48:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-20 01:48:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-20 01:48:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-20 01:48:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-20 01:48:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-20 01:48:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-20 01:48:24,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-20 01:48:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2023-12-20 01:48:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-20 01:48:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2023-12-20 01:48:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-20 01:48:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2023-12-20 01:48:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2023-12-20 01:48:24,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2023-12-20 01:48:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2023-12-20 01:48:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2023-12-20 01:48:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2023-12-20 01:48:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2023-12-20 01:48:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2023-12-20 01:48:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2023-12-20 01:48:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2023-12-20 01:48:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 803 [2023-12-20 01:48:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2023-12-20 01:48:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2023-12-20 01:48:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2023-12-20 01:48:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-12-20 01:48:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2023-12-20 01:48:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2023-12-20 01:48:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-12-20 01:48:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2023-12-20 01:48:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-12-20 01:48:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-12-20 01:48:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:24,251 INFO L134 CoverageAnalysis]: Checked inductivity of 24420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24420 trivial. 0 not checked. [2023-12-20 01:48:24,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:48:24,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172871040] [2023-12-20 01:48:24,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172871040] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:48:24,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:48:24,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 01:48:24,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265942439] [2023-12-20 01:48:24,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:48:24,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 01:48:24,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:48:24,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 01:48:24,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 01:48:24,255 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) [2023-12-20 01:48:28,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:48:32,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:48:36,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:48:40,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:48:40,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:48:40,701 INFO L93 Difference]: Finished difference Result 1733 states and 2644 transitions. [2023-12-20 01:48:40,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 01:48:40,702 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 [2023-12-20 01:48:40,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:48:40,715 INFO L225 Difference]: With dead ends: 1733 [2023-12-20 01:48:40,715 INFO L226 Difference]: Without dead ends: 1731 [2023-12-20 01:48:40,718 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 [2023-12-20 01:48:40,720 INFO L413 NwaCegarLoop]: 1869 mSDtfsCounter, 1487 mSDsluCounter, 6225 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s 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, 16.3s IncrementalHoareTripleChecker+Time [2023-12-20 01:48:40,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1487 Valid, 8094 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 304 Invalid, 4 Unknown, 0 Unchecked, 16.3s Time] [2023-12-20 01:48:40,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2023-12-20 01:48:40,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1729. [2023-12-20 01:48:40,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1729 states, 1051 states have (on average 1.2664129400570885) internal successors, (1331), 1109 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) [2023-12-20 01:48:40,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1729 states and 2641 transitions. [2023-12-20 01:48:40,970 INFO L78 Accepts]: Start accepts. Automaton has 1729 states and 2641 transitions. Word has length 873 [2023-12-20 01:48:40,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:48:40,972 INFO L495 AbstractCegarLoop]: Abstraction has 1729 states and 2641 transitions. [2023-12-20 01:48:40,973 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) [2023-12-20 01:48:40,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 2641 transitions. [2023-12-20 01:48:40,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 880 [2023-12-20 01:48:40,988 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:48:40,988 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] [2023-12-20 01:48:40,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-20 01:48:40,989 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:48:40,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:48:40,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1123339322, now seen corresponding path program 1 times [2023-12-20 01:48:40,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:48:40,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547383689] [2023-12-20 01:48:40,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:48:40,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:48:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-20 01:48:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 01:48:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 01:48:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-20 01:48:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-20 01:48:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-20 01:48:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-20 01:48:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-20 01:48:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-20 01:48:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-20 01:48:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-20 01:48:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-20 01:48:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-20 01:48:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-20 01:48:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-20 01:48:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 01:48:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 01:48:42,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-20 01:48:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-20 01:48:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-20 01:48:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-20 01:48:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-20 01:48:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-20 01:48:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-20 01:48:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-20 01:48:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-20 01:48:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-20 01:48:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-20 01:48:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-20 01:48:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-20 01:48:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-20 01:48:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-20 01:48:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-20 01:48:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-20 01:48:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-20 01:48:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-20 01:48:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-20 01:48:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-20 01:48:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-20 01:48:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-20 01:48:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-20 01:48:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-20 01:48:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-20 01:48:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-20 01:48:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-20 01:48:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-20 01:48:42,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-20 01:48:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-20 01:48:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-20 01:48:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-20 01:48:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-20 01:48:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-20 01:48:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-20 01:48:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-20 01:48:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-20 01:48:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-20 01:48:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-20 01:48:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-20 01:48:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-20 01:48:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-20 01:48:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-20 01:48:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-20 01:48:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-20 01:48:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-20 01:48:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-20 01:48:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-20 01:48:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-20 01:48:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-20 01:48:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-20 01:48:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-20 01:48:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-20 01:48:42,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-20 01:48:42,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-20 01:48:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-20 01:48:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-20 01:48:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-20 01:48:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-20 01:48:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-20 01:48:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-20 01:48:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-20 01:48:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-20 01:48:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-20 01:48:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-20 01:48:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-20 01:48:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-20 01:48:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-20 01:48:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2023-12-20 01:48:42,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-20 01:48:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2023-12-20 01:48:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-20 01:48:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2023-12-20 01:48:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2023-12-20 01:48:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2023-12-20 01:48:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2023-12-20 01:48:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2023-12-20 01:48:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2023-12-20 01:48:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2023-12-20 01:48:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2023-12-20 01:48:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2023-12-20 01:48:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2023-12-20 01:48:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 803 [2023-12-20 01:48:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2023-12-20 01:48:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2023-12-20 01:48:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2023-12-20 01:48:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-12-20 01:48:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2023-12-20 01:48:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2023-12-20 01:48:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-12-20 01:48:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2023-12-20 01:48:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-12-20 01:48:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-12-20 01:48:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2023-12-20 01:48:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:42,865 INFO L134 CoverageAnalysis]: Checked inductivity of 24422 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24420 trivial. 0 not checked. [2023-12-20 01:48:42,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:48:42,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547383689] [2023-12-20 01:48:42,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547383689] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:48:42,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:48:42,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 01:48:42,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946683418] [2023-12-20 01:48:42,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:48:42,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 01:48:42,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:48:42,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 01:48:42,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 01:48:42,869 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) [2023-12-20 01:48:46,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:48:50,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:48:54,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:48:58,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:48:59,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:48:59,320 INFO L93 Difference]: Finished difference Result 1737 states and 2647 transitions. [2023-12-20 01:48:59,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 01:48:59,321 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 [2023-12-20 01:48:59,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:48:59,337 INFO L225 Difference]: With dead ends: 1737 [2023-12-20 01:48:59,337 INFO L226 Difference]: Without dead ends: 1735 [2023-12-20 01:48:59,338 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 [2023-12-20 01:48:59,342 INFO L413 NwaCegarLoop]: 1872 mSDtfsCounter, 1482 mSDsluCounter, 6228 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s 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, 16.3s IncrementalHoareTripleChecker+Time [2023-12-20 01:48:59,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1482 Valid, 8100 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 304 Invalid, 4 Unknown, 0 Unchecked, 16.3s Time] [2023-12-20 01:48:59,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2023-12-20 01:48:59,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1733. [2023-12-20 01:48:59,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1733 states, 1054 states have (on average 1.2656546489563567) internal successors, (1334), 1112 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) [2023-12-20 01:48:59,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1733 states and 2644 transitions. [2023-12-20 01:48:59,592 INFO L78 Accepts]: Start accepts. Automaton has 1733 states and 2644 transitions. Word has length 879 [2023-12-20 01:48:59,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:48:59,593 INFO L495 AbstractCegarLoop]: Abstraction has 1733 states and 2644 transitions. [2023-12-20 01:48:59,593 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) [2023-12-20 01:48:59,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2644 transitions. [2023-12-20 01:48:59,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 886 [2023-12-20 01:48:59,611 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:48:59,612 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] [2023-12-20 01:48:59,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-20 01:48:59,612 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:48:59,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:48:59,613 INFO L85 PathProgramCache]: Analyzing trace with hash -721331393, now seen corresponding path program 1 times [2023-12-20 01:48:59,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:48:59,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298555180] [2023-12-20 01:48:59,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:48:59,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:49:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-20 01:49:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 01:49:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 01:49:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-20 01:49:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-20 01:49:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-20 01:49:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-20 01:49:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-20 01:49:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-20 01:49:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-20 01:49:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-20 01:49:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-20 01:49:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-20 01:49:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-20 01:49:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-20 01:49:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 01:49:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 01:49:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-20 01:49:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-20 01:49:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-20 01:49:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-20 01:49:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-20 01:49:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-20 01:49:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-20 01:49:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-20 01:49:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-20 01:49:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-20 01:49:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-20 01:49:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-20 01:49:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-20 01:49:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-20 01:49:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-20 01:49:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-20 01:49:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-20 01:49:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-20 01:49:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-20 01:49:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-20 01:49:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-20 01:49:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-20 01:49:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-20 01:49:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-20 01:49:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-20 01:49:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-20 01:49:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-20 01:49:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-20 01:49:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-20 01:49:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-20 01:49:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-20 01:49:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-20 01:49:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-20 01:49:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-20 01:49:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-20 01:49:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-20 01:49:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-20 01:49:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-20 01:49:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-20 01:49:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-20 01:49:00,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-20 01:49:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-20 01:49:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-20 01:49:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-20 01:49:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-20 01:49:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-20 01:49:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-20 01:49:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-20 01:49:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-20 01:49:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-20 01:49:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-20 01:49:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-20 01:49:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-20 01:49:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-20 01:49:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-20 01:49:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-20 01:49:00,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-20 01:49:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-20 01:49:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-20 01:49:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-20 01:49:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-20 01:49:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-20 01:49:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-20 01:49:00,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-20 01:49:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-20 01:49:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-20 01:49:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-20 01:49:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-20 01:49:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-20 01:49:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2023-12-20 01:49:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-20 01:49:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2023-12-20 01:49:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-20 01:49:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2023-12-20 01:49:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2023-12-20 01:49:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2023-12-20 01:49:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2023-12-20 01:49:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2023-12-20 01:49:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2023-12-20 01:49:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2023-12-20 01:49:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2023-12-20 01:49:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:00,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2023-12-20 01:49:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:01,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2023-12-20 01:49:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:01,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 803 [2023-12-20 01:49:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:01,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2023-12-20 01:49:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:01,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2023-12-20 01:49:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:01,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2023-12-20 01:49:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:01,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-12-20 01:49:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:01,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2023-12-20 01:49:01,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:01,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2023-12-20 01:49:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:01,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-12-20 01:49:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:01,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2023-12-20 01:49:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:01,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-12-20 01:49:01,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:01,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-12-20 01:49:01,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:01,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2023-12-20 01:49:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:01,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 875 [2023-12-20 01:49:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:01,038 INFO L134 CoverageAnalysis]: Checked inductivity of 24428 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 24424 trivial. 0 not checked. [2023-12-20 01:49:01,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:49:01,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298555180] [2023-12-20 01:49:01,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298555180] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:49:01,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:49:01,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 01:49:01,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289731550] [2023-12-20 01:49:01,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:49:01,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 01:49:01,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:49:01,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 01:49:01,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 01:49:01,044 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) [2023-12-20 01:49:05,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:49:09,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:49:13,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:49:17,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:49:17,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:49:17,404 INFO L93 Difference]: Finished difference Result 1741 states and 2650 transitions. [2023-12-20 01:49:17,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 01:49:17,405 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 [2023-12-20 01:49:17,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:49:17,413 INFO L225 Difference]: With dead ends: 1741 [2023-12-20 01:49:17,413 INFO L226 Difference]: Without dead ends: 1739 [2023-12-20 01:49:17,414 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 [2023-12-20 01:49:17,415 INFO L413 NwaCegarLoop]: 1872 mSDtfsCounter, 1480 mSDsluCounter, 6228 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s 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, 16.3s IncrementalHoareTripleChecker+Time [2023-12-20 01:49:17,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1480 Valid, 8100 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 304 Invalid, 4 Unknown, 0 Unchecked, 16.3s Time] [2023-12-20 01:49:17,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1739 states. [2023-12-20 01:49:17,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1739 to 1737. [2023-12-20 01:49:17,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1737 states, 1057 states have (on average 1.2649006622516556) internal successors, (1337), 1115 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) [2023-12-20 01:49:17,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1737 states to 1737 states and 2647 transitions. [2023-12-20 01:49:17,584 INFO L78 Accepts]: Start accepts. Automaton has 1737 states and 2647 transitions. Word has length 885 [2023-12-20 01:49:17,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:49:17,586 INFO L495 AbstractCegarLoop]: Abstraction has 1737 states and 2647 transitions. [2023-12-20 01:49:17,586 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) [2023-12-20 01:49:17,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1737 states and 2647 transitions. [2023-12-20 01:49:17,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 892 [2023-12-20 01:49:17,599 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:49:17,599 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] [2023-12-20 01:49:17,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-20 01:49:17,599 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:49:17,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:49:17,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1428986754, now seen corresponding path program 1 times [2023-12-20 01:49:17,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:49:17,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273298376] [2023-12-20 01:49:17,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:49:17,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:49:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-20 01:49:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 01:49:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 01:49:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-20 01:49:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-20 01:49:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-20 01:49:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-20 01:49:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-20 01:49:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-20 01:49:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-20 01:49:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-20 01:49:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-20 01:49:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-20 01:49:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-20 01:49:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-20 01:49:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 01:49:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 01:49:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-20 01:49:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-20 01:49:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-20 01:49:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-20 01:49:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-20 01:49:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-20 01:49:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-20 01:49:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-20 01:49:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-20 01:49:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-20 01:49:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-20 01:49:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-20 01:49:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-20 01:49:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-20 01:49:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-20 01:49:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-20 01:49:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-20 01:49:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-20 01:49:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-20 01:49:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-20 01:49:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-20 01:49:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-20 01:49:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-20 01:49:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-20 01:49:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-20 01:49:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-20 01:49:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-20 01:49:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-20 01:49:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-20 01:49:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-20 01:49:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-20 01:49:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-20 01:49:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-20 01:49:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-20 01:49:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-20 01:49:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-20 01:49:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-20 01:49:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-20 01:49:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-20 01:49:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-20 01:49:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-20 01:49:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-20 01:49:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-20 01:49:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-20 01:49:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-20 01:49:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-20 01:49:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-20 01:49:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-20 01:49:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-20 01:49:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-20 01:49:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-20 01:49:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-20 01:49:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-20 01:49:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-20 01:49:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-20 01:49:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-20 01:49:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-20 01:49:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-20 01:49:18,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-20 01:49:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-20 01:49:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-20 01:49:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-20 01:49:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-20 01:49:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-20 01:49:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-20 01:49:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-20 01:49:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-20 01:49:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-20 01:49:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-20 01:49:18,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2023-12-20 01:49:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-20 01:49:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2023-12-20 01:49:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-20 01:49:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2023-12-20 01:49:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2023-12-20 01:49:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2023-12-20 01:49:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2023-12-20 01:49:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2023-12-20 01:49:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2023-12-20 01:49:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2023-12-20 01:49:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2023-12-20 01:49:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2023-12-20 01:49:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2023-12-20 01:49:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 803 [2023-12-20 01:49:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2023-12-20 01:49:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2023-12-20 01:49:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2023-12-20 01:49:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-12-20 01:49:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2023-12-20 01:49:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2023-12-20 01:49:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-12-20 01:49:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2023-12-20 01:49:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-12-20 01:49:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-12-20 01:49:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2023-12-20 01:49:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 875 [2023-12-20 01:49:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2023-12-20 01:49:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:18,978 INFO L134 CoverageAnalysis]: Checked inductivity of 24438 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24432 trivial. 0 not checked. [2023-12-20 01:49:18,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:49:18,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273298376] [2023-12-20 01:49:18,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273298376] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:49:18,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:49:18,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 01:49:18,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850716386] [2023-12-20 01:49:18,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:49:18,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 01:49:18,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:49:18,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 01:49:18,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 01:49:18,980 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) [2023-12-20 01:49:23,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:49:27,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:49:31,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:49:35,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:49:35,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:49:35,386 INFO L93 Difference]: Finished difference Result 1745 states and 2653 transitions. [2023-12-20 01:49:35,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 01:49:35,387 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 [2023-12-20 01:49:35,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:49:35,396 INFO L225 Difference]: With dead ends: 1745 [2023-12-20 01:49:35,396 INFO L226 Difference]: Without dead ends: 1743 [2023-12-20 01:49:35,397 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 [2023-12-20 01:49:35,397 INFO L413 NwaCegarLoop]: 1872 mSDtfsCounter, 1478 mSDsluCounter, 6228 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s 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, 16.3s IncrementalHoareTripleChecker+Time [2023-12-20 01:49:35,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1478 Valid, 8100 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 304 Invalid, 4 Unknown, 0 Unchecked, 16.3s Time] [2023-12-20 01:49:35,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1743 states. [2023-12-20 01:49:35,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1743 to 1741. [2023-12-20 01:49:35,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1741 states, 1060 states have (on average 1.2641509433962264) internal successors, (1340), 1118 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) [2023-12-20 01:49:35,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 2650 transitions. [2023-12-20 01:49:35,583 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 2650 transitions. Word has length 891 [2023-12-20 01:49:35,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:49:35,583 INFO L495 AbstractCegarLoop]: Abstraction has 1741 states and 2650 transitions. [2023-12-20 01:49:35,584 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) [2023-12-20 01:49:35,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2650 transitions. [2023-12-20 01:49:35,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 898 [2023-12-20 01:49:35,597 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:49:35,598 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] [2023-12-20 01:49:35,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-20 01:49:35,598 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:49:35,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:49:35,598 INFO L85 PathProgramCache]: Analyzing trace with hash 867182211, now seen corresponding path program 1 times [2023-12-20 01:49:35,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:49:35,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785468742] [2023-12-20 01:49:35,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:49:35,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:49:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-20 01:49:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 01:49:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 01:49:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-20 01:49:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-20 01:49:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-20 01:49:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-20 01:49:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-20 01:49:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-20 01:49:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-20 01:49:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-20 01:49:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-20 01:49:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-20 01:49:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-20 01:49:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-20 01:49:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 01:49:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 01:49:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-20 01:49:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-20 01:49:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-20 01:49:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-20 01:49:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-20 01:49:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-20 01:49:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-20 01:49:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-20 01:49:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-20 01:49:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-20 01:49:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-20 01:49:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-20 01:49:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-20 01:49:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-20 01:49:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-20 01:49:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-20 01:49:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-20 01:49:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-20 01:49:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-20 01:49:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-20 01:49:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-20 01:49:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-20 01:49:36,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-20 01:49:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-20 01:49:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-20 01:49:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-20 01:49:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-20 01:49:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-20 01:49:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-20 01:49:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-20 01:49:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-20 01:49:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-20 01:49:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-20 01:49:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-20 01:49:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-20 01:49:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-20 01:49:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-20 01:49:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-20 01:49:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-20 01:49:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-20 01:49:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-20 01:49:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-20 01:49:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-20 01:49:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-20 01:49:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-20 01:49:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-20 01:49:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-20 01:49:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-20 01:49:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-20 01:49:36,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-20 01:49:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-20 01:49:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-20 01:49:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-20 01:49:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-20 01:49:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-20 01:49:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-20 01:49:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-20 01:49:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-20 01:49:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-20 01:49:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-20 01:49:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-20 01:49:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-20 01:49:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-20 01:49:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-20 01:49:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-20 01:49:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-20 01:49:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-20 01:49:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-20 01:49:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-20 01:49:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2023-12-20 01:49:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-20 01:49:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2023-12-20 01:49:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-20 01:49:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2023-12-20 01:49:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2023-12-20 01:49:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2023-12-20 01:49:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2023-12-20 01:49:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2023-12-20 01:49:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2023-12-20 01:49:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2023-12-20 01:49:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2023-12-20 01:49:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2023-12-20 01:49:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2023-12-20 01:49:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 803 [2023-12-20 01:49:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2023-12-20 01:49:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2023-12-20 01:49:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2023-12-20 01:49:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-12-20 01:49:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2023-12-20 01:49:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2023-12-20 01:49:36,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-12-20 01:49:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2023-12-20 01:49:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-12-20 01:49:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-12-20 01:49:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2023-12-20 01:49:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 875 [2023-12-20 01:49:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2023-12-20 01:49:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 887 [2023-12-20 01:49:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:36,929 INFO L134 CoverageAnalysis]: Checked inductivity of 24452 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24444 trivial. 0 not checked. [2023-12-20 01:49:36,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:49:36,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785468742] [2023-12-20 01:49:36,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785468742] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:49:36,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:49:36,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 01:49:36,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136830977] [2023-12-20 01:49:36,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:49:36,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 01:49:36,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:49:36,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 01:49:36,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 01:49:36,931 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) [2023-12-20 01:49:41,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:49:45,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:49:49,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:49:53,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:49:53,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:49:53,409 INFO L93 Difference]: Finished difference Result 1749 states and 2656 transitions. [2023-12-20 01:49:53,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 01:49:53,409 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 [2023-12-20 01:49:53,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:49:53,418 INFO L225 Difference]: With dead ends: 1749 [2023-12-20 01:49:53,418 INFO L226 Difference]: Without dead ends: 1747 [2023-12-20 01:49:53,419 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 [2023-12-20 01:49:53,419 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, 16.3s IncrementalHoareTripleChecker+Time [2023-12-20 01:49:53,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1476 Valid, 8100 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 304 Invalid, 4 Unknown, 0 Unchecked, 16.3s Time] [2023-12-20 01:49:53,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2023-12-20 01:49:53,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1745. [2023-12-20 01:49:53,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1745 states, 1063 states have (on average 1.2634054562558796) internal successors, (1343), 1121 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) [2023-12-20 01:49:53,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1745 states and 2653 transitions. [2023-12-20 01:49:53,605 INFO L78 Accepts]: Start accepts. Automaton has 1745 states and 2653 transitions. Word has length 897 [2023-12-20 01:49:53,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:49:53,606 INFO L495 AbstractCegarLoop]: Abstraction has 1745 states and 2653 transitions. [2023-12-20 01:49:53,607 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) [2023-12-20 01:49:53,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2653 transitions. [2023-12-20 01:49:53,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 904 [2023-12-20 01:49:53,622 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:49:53,622 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] [2023-12-20 01:49:53,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-20 01:49:53,622 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:49:53,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:49:53,623 INFO L85 PathProgramCache]: Analyzing trace with hash 512521666, now seen corresponding path program 1 times [2023-12-20 01:49:53,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:49:53,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479768589] [2023-12-20 01:49:53,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:49:53,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:49:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-20 01:49:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 01:49:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 01:49:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-20 01:49:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-20 01:49:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-20 01:49:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-20 01:49:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-20 01:49:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-20 01:49:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-20 01:49:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-20 01:49:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-20 01:49:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-20 01:49:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-20 01:49:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-20 01:49:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 01:49:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 01:49:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-20 01:49:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-20 01:49:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-20 01:49:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-20 01:49:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-20 01:49:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-20 01:49:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-20 01:49:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-20 01:49:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-20 01:49:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-20 01:49:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-20 01:49:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-20 01:49:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-20 01:49:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-20 01:49:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-20 01:49:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-20 01:49:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-20 01:49:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-20 01:49:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-20 01:49:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-20 01:49:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-20 01:49:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-20 01:49:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-20 01:49:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-20 01:49:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-20 01:49:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-20 01:49:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-20 01:49:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-20 01:49:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-20 01:49:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-20 01:49:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-20 01:49:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-20 01:49:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-20 01:49:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-20 01:49:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-20 01:49:54,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-20 01:49:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-20 01:49:54,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-20 01:49:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-20 01:49:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-20 01:49:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-20 01:49:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-20 01:49:54,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-20 01:49:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-20 01:49:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-20 01:49:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-20 01:49:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-20 01:49:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-20 01:49:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-20 01:49:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-20 01:49:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-20 01:49:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-20 01:49:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-20 01:49:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-20 01:49:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-20 01:49:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-20 01:49:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-20 01:49:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-20 01:49:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-20 01:49:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-20 01:49:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-20 01:49:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-20 01:49:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-20 01:49:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-20 01:49:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-20 01:49:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-20 01:49:54,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-20 01:49:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-20 01:49:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-20 01:49:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2023-12-20 01:49:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-20 01:49:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2023-12-20 01:49:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-20 01:49:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2023-12-20 01:49:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2023-12-20 01:49:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2023-12-20 01:49:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2023-12-20 01:49:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2023-12-20 01:49:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2023-12-20 01:49:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2023-12-20 01:49:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2023-12-20 01:49:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2023-12-20 01:49:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2023-12-20 01:49:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 803 [2023-12-20 01:49:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2023-12-20 01:49:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2023-12-20 01:49:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2023-12-20 01:49:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-12-20 01:49:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2023-12-20 01:49:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2023-12-20 01:49:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-12-20 01:49:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2023-12-20 01:49:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-12-20 01:49:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-12-20 01:49:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2023-12-20 01:49:54,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 875 [2023-12-20 01:49:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2023-12-20 01:49:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 887 [2023-12-20 01:49:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2023-12-20 01:49:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:54,893 INFO L134 CoverageAnalysis]: Checked inductivity of 24470 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24460 trivial. 0 not checked. [2023-12-20 01:49:54,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:49:54,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479768589] [2023-12-20 01:49:54,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479768589] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:49:54,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:49:54,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 01:49:54,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732198490] [2023-12-20 01:49:54,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:49:54,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 01:49:54,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:49:54,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 01:49:54,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 01:49:54,896 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) [2023-12-20 01:49:58,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:50:02,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:50:06,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:50:10,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:50:11,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:50:11,304 INFO L93 Difference]: Finished difference Result 1753 states and 2659 transitions. [2023-12-20 01:50:11,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 01:50:11,305 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 [2023-12-20 01:50:11,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:50:11,313 INFO L225 Difference]: With dead ends: 1753 [2023-12-20 01:50:11,313 INFO L226 Difference]: Without dead ends: 1751 [2023-12-20 01:50:11,314 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 [2023-12-20 01:50:11,315 INFO L413 NwaCegarLoop]: 1872 mSDtfsCounter, 1474 mSDsluCounter, 6228 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s 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, 16.3s IncrementalHoareTripleChecker+Time [2023-12-20 01:50:11,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1474 Valid, 8100 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 304 Invalid, 4 Unknown, 0 Unchecked, 16.3s Time] [2023-12-20 01:50:11,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1751 states. [2023-12-20 01:50:11,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1751 to 1749. [2023-12-20 01:50:11,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1749 states, 1066 states have (on average 1.2626641651031896) internal successors, (1346), 1124 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) [2023-12-20 01:50:11,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 1749 states and 2656 transitions. [2023-12-20 01:50:11,538 INFO L78 Accepts]: Start accepts. Automaton has 1749 states and 2656 transitions. Word has length 903 [2023-12-20 01:50:11,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:50:11,539 INFO L495 AbstractCegarLoop]: Abstraction has 1749 states and 2656 transitions. [2023-12-20 01:50:11,539 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) [2023-12-20 01:50:11,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 2656 transitions. [2023-12-20 01:50:11,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 910 [2023-12-20 01:50:11,553 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:50:11,554 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] [2023-12-20 01:50:11,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-20 01:50:11,554 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:50:11,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:50:11,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1998527809, now seen corresponding path program 1 times [2023-12-20 01:50:11,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:50:11,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658697483] [2023-12-20 01:50:11,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:50:11,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:50:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-20 01:50:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 01:50:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 01:50:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-20 01:50:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-20 01:50:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-20 01:50:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-20 01:50:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-20 01:50:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-20 01:50:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-20 01:50:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-20 01:50:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-20 01:50:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-20 01:50:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-20 01:50:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-20 01:50:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 01:50:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 01:50:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-20 01:50:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-20 01:50:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-20 01:50:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-20 01:50:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-20 01:50:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-20 01:50:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-20 01:50:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-20 01:50:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-20 01:50:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-20 01:50:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-20 01:50:12,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-20 01:50:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-20 01:50:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-20 01:50:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-20 01:50:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-20 01:50:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-20 01:50:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-20 01:50:12,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-20 01:50:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-20 01:50:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-20 01:50:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-20 01:50:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-20 01:50:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-20 01:50:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-20 01:50:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-20 01:50:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-20 01:50:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-20 01:50:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-20 01:50:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-20 01:50:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-20 01:50:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-20 01:50:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-20 01:50:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-20 01:50:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-20 01:50:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-20 01:50:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-20 01:50:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-20 01:50:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-20 01:50:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-20 01:50:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-20 01:50:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-20 01:50:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-20 01:50:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-20 01:50:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-20 01:50:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-20 01:50:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-20 01:50:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-20 01:50:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-20 01:50:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-20 01:50:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-20 01:50:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-20 01:50:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-20 01:50:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-20 01:50:12,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-20 01:50:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-20 01:50:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-20 01:50:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-20 01:50:12,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-20 01:50:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-20 01:50:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-20 01:50:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-20 01:50:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-20 01:50:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-20 01:50:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-20 01:50:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-20 01:50:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-20 01:50:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-20 01:50:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-20 01:50:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2023-12-20 01:50:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-20 01:50:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2023-12-20 01:50:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-20 01:50:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2023-12-20 01:50:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2023-12-20 01:50:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2023-12-20 01:50:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2023-12-20 01:50:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2023-12-20 01:50:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2023-12-20 01:50:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2023-12-20 01:50:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2023-12-20 01:50:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2023-12-20 01:50:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2023-12-20 01:50:12,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 803 [2023-12-20 01:50:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2023-12-20 01:50:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2023-12-20 01:50:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2023-12-20 01:50:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-12-20 01:50:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2023-12-20 01:50:12,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2023-12-20 01:50:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-12-20 01:50:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2023-12-20 01:50:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-12-20 01:50:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-12-20 01:50:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2023-12-20 01:50:12,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 875 [2023-12-20 01:50:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2023-12-20 01:50:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 887 [2023-12-20 01:50:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2023-12-20 01:50:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2023-12-20 01:50:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:12,752 INFO L134 CoverageAnalysis]: Checked inductivity of 24492 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 24480 trivial. 0 not checked. [2023-12-20 01:50:12,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:50:12,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658697483] [2023-12-20 01:50:12,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658697483] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:50:12,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:50:12,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 01:50:12,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018941183] [2023-12-20 01:50:12,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:50:12,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 01:50:12,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:50:12,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 01:50:12,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 01:50:12,755 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) [2023-12-20 01:50:16,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:50:20,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:50:24,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:50:28,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:50:29,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:50:29,192 INFO L93 Difference]: Finished difference Result 1757 states and 2662 transitions. [2023-12-20 01:50:29,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 01:50:29,192 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 [2023-12-20 01:50:29,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:50:29,201 INFO L225 Difference]: With dead ends: 1757 [2023-12-20 01:50:29,201 INFO L226 Difference]: Without dead ends: 1755 [2023-12-20 01:50:29,202 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 [2023-12-20 01:50:29,203 INFO L413 NwaCegarLoop]: 1872 mSDtfsCounter, 1472 mSDsluCounter, 6228 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s 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, 16.3s IncrementalHoareTripleChecker+Time [2023-12-20 01:50:29,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1472 Valid, 8100 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 304 Invalid, 4 Unknown, 0 Unchecked, 16.3s Time] [2023-12-20 01:50:29,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2023-12-20 01:50:29,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1753. [2023-12-20 01:50:29,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1753 states, 1069 states have (on average 1.2619270346117868) internal successors, (1349), 1127 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) [2023-12-20 01:50:29,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 1753 states and 2659 transitions. [2023-12-20 01:50:29,377 INFO L78 Accepts]: Start accepts. Automaton has 1753 states and 2659 transitions. Word has length 909 [2023-12-20 01:50:29,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:50:29,378 INFO L495 AbstractCegarLoop]: Abstraction has 1753 states and 2659 transitions. [2023-12-20 01:50:29,378 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) [2023-12-20 01:50:29,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2659 transitions. [2023-12-20 01:50:29,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 916 [2023-12-20 01:50:29,392 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:50:29,392 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] [2023-12-20 01:50:29,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-20 01:50:29,392 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:50:29,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:50:29,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1346610938, now seen corresponding path program 1 times [2023-12-20 01:50:29,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:50:29,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758982898] [2023-12-20 01:50:29,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:50:29,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:50:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-20 01:50:30,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 01:50:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 01:50:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-20 01:50:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-20 01:50:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-20 01:50:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-20 01:50:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-20 01:50:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-20 01:50:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-20 01:50:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-20 01:50:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-20 01:50:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-20 01:50:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-20 01:50:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-20 01:50:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 01:50:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 01:50:30,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-20 01:50:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-20 01:50:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-20 01:50:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-20 01:50:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-20 01:50:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-20 01:50:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-20 01:50:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-20 01:50:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-20 01:50:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-20 01:50:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-20 01:50:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-20 01:50:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-20 01:50:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-20 01:50:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-20 01:50:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-20 01:50:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-20 01:50:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-20 01:50:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-20 01:50:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-20 01:50:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-20 01:50:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-20 01:50:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-20 01:50:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-20 01:50:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-20 01:50:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-20 01:50:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-20 01:50:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-20 01:50:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-20 01:50:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-20 01:50:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-20 01:50:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-20 01:50:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-20 01:50:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-20 01:50:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-20 01:50:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-20 01:50:30,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-20 01:50:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-20 01:50:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-20 01:50:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-20 01:50:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-20 01:50:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-20 01:50:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-20 01:50:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-20 01:50:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-20 01:50:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-20 01:50:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-20 01:50:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-20 01:50:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-20 01:50:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-20 01:50:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-20 01:50:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-20 01:50:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-20 01:50:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-20 01:50:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-20 01:50:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-20 01:50:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-20 01:50:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-20 01:50:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-20 01:50:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-20 01:50:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-20 01:50:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-20 01:50:30,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-20 01:50:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-20 01:50:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-20 01:50:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-20 01:50:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-20 01:50:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-20 01:50:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-20 01:50:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2023-12-20 01:50:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-20 01:50:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2023-12-20 01:50:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-20 01:50:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2023-12-20 01:50:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2023-12-20 01:50:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2023-12-20 01:50:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2023-12-20 01:50:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2023-12-20 01:50:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2023-12-20 01:50:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2023-12-20 01:50:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2023-12-20 01:50:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2023-12-20 01:50:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2023-12-20 01:50:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 803 [2023-12-20 01:50:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2023-12-20 01:50:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2023-12-20 01:50:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2023-12-20 01:50:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-12-20 01:50:30,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2023-12-20 01:50:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2023-12-20 01:50:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-12-20 01:50:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2023-12-20 01:50:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-12-20 01:50:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-12-20 01:50:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2023-12-20 01:50:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 875 [2023-12-20 01:50:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2023-12-20 01:50:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 887 [2023-12-20 01:50:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2023-12-20 01:50:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2023-12-20 01:50:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 905 [2023-12-20 01:50:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:30,654 INFO L134 CoverageAnalysis]: Checked inductivity of 24518 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 24504 trivial. 0 not checked. [2023-12-20 01:50:30,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:50:30,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758982898] [2023-12-20 01:50:30,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758982898] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:50:30,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:50:30,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 01:50:30,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956697048] [2023-12-20 01:50:30,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:50:30,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 01:50:30,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:50:30,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 01:50:30,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 01:50:30,656 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) [2023-12-20 01:50:34,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:50:38,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:50:42,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:50:46,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:50:47,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:50:47,094 INFO L93 Difference]: Finished difference Result 1761 states and 2665 transitions. [2023-12-20 01:50:47,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 01:50:47,095 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 [2023-12-20 01:50:47,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:50:47,104 INFO L225 Difference]: With dead ends: 1761 [2023-12-20 01:50:47,104 INFO L226 Difference]: Without dead ends: 1759 [2023-12-20 01:50:47,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-20 01:50:47,106 INFO L413 NwaCegarLoop]: 1872 mSDtfsCounter, 1470 mSDsluCounter, 6228 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s 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, 16.3s IncrementalHoareTripleChecker+Time [2023-12-20 01:50:47,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1470 Valid, 8100 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 304 Invalid, 4 Unknown, 0 Unchecked, 16.3s Time] [2023-12-20 01:50:47,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1759 states. [2023-12-20 01:50:47,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1759 to 1757. [2023-12-20 01:50:47,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1757 states, 1072 states have (on average 1.2611940298507462) internal successors, (1352), 1130 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) [2023-12-20 01:50:47,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 1757 states and 2662 transitions. [2023-12-20 01:50:47,310 INFO L78 Accepts]: Start accepts. Automaton has 1757 states and 2662 transitions. Word has length 915 [2023-12-20 01:50:47,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:50:47,311 INFO L495 AbstractCegarLoop]: Abstraction has 1757 states and 2662 transitions. [2023-12-20 01:50:47,311 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) [2023-12-20 01:50:47,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1757 states and 2662 transitions. [2023-12-20 01:50:47,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 922 [2023-12-20 01:50:47,328 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:50:47,329 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] [2023-12-20 01:50:47,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-20 01:50:47,329 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:50:47,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:50:47,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1694707, now seen corresponding path program 1 times [2023-12-20 01:50:47,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:50:47,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327378171] [2023-12-20 01:50:47,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:50:47,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:50:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-20 01:50:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 01:50:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 01:50:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-20 01:50:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-20 01:50:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-20 01:50:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-20 01:50:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-20 01:50:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-20 01:50:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-20 01:50:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-20 01:50:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-20 01:50:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-20 01:50:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-20 01:50:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-20 01:50:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 01:50:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 01:50:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-20 01:50:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-20 01:50:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-20 01:50:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-20 01:50:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-20 01:50:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-20 01:50:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-20 01:50:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-20 01:50:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-20 01:50:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-20 01:50:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-20 01:50:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-20 01:50:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-20 01:50:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-20 01:50:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-20 01:50:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-20 01:50:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-20 01:50:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-20 01:50:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-20 01:50:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-20 01:50:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-20 01:50:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-20 01:50:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-20 01:50:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-20 01:50:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-20 01:50:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-20 01:50:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-20 01:50:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-20 01:50:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-20 01:50:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-20 01:50:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-20 01:50:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-20 01:50:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-20 01:50:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-20 01:50:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-20 01:50:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-20 01:50:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-20 01:50:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-20 01:50:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-20 01:50:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-20 01:50:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-20 01:50:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-20 01:50:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-20 01:50:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-20 01:50:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-20 01:50:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-20 01:50:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-20 01:50:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-20 01:50:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-20 01:50:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-20 01:50:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-20 01:50:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-20 01:50:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-20 01:50:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-20 01:50:48,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-20 01:50:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-20 01:50:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-20 01:50:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-20 01:50:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-20 01:50:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-20 01:50:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-20 01:50:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-20 01:50:48,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-20 01:50:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-20 01:50:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-20 01:50:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-20 01:50:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-20 01:50:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-20 01:50:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-20 01:50:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2023-12-20 01:50:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-20 01:50:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2023-12-20 01:50:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-20 01:50:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2023-12-20 01:50:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2023-12-20 01:50:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2023-12-20 01:50:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2023-12-20 01:50:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2023-12-20 01:50:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2023-12-20 01:50:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2023-12-20 01:50:48,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2023-12-20 01:50:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2023-12-20 01:50:48,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2023-12-20 01:50:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 803 [2023-12-20 01:50:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2023-12-20 01:50:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2023-12-20 01:50:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2023-12-20 01:50:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-12-20 01:50:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2023-12-20 01:50:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2023-12-20 01:50:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-12-20 01:50:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2023-12-20 01:50:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-12-20 01:50:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-12-20 01:50:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2023-12-20 01:50:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 875 [2023-12-20 01:50:48,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2023-12-20 01:50:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 887 [2023-12-20 01:50:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2023-12-20 01:50:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2023-12-20 01:50:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 905 [2023-12-20 01:50:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 911 [2023-12-20 01:50:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:48,535 INFO L134 CoverageAnalysis]: Checked inductivity of 24548 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 24532 trivial. 0 not checked. [2023-12-20 01:50:48,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:50:48,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327378171] [2023-12-20 01:50:48,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327378171] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:50:48,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:50:48,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 01:50:48,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981233964] [2023-12-20 01:50:48,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:50:48,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 01:50:48,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:50:48,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 01:50:48,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 01:50:48,537 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) [2023-12-20 01:50:52,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:50:56,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:51:00,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:51:04,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:51:04,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:51:04,973 INFO L93 Difference]: Finished difference Result 1765 states and 2668 transitions. [2023-12-20 01:51:04,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 01:51:04,973 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 [2023-12-20 01:51:04,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:51:04,981 INFO L225 Difference]: With dead ends: 1765 [2023-12-20 01:51:04,981 INFO L226 Difference]: Without dead ends: 1763 [2023-12-20 01:51:04,982 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 [2023-12-20 01:51:04,983 INFO L413 NwaCegarLoop]: 1872 mSDtfsCounter, 1468 mSDsluCounter, 6228 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s 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, 16.3s IncrementalHoareTripleChecker+Time [2023-12-20 01:51:04,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1468 Valid, 8100 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 304 Invalid, 4 Unknown, 0 Unchecked, 16.3s Time] [2023-12-20 01:51:04,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1763 states. [2023-12-20 01:51:05,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1763 to 1761. [2023-12-20 01:51:05,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1761 states, 1075 states have (on average 1.2604651162790699) internal successors, (1355), 1133 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) [2023-12-20 01:51:05,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1761 states and 2665 transitions. [2023-12-20 01:51:05,169 INFO L78 Accepts]: Start accepts. Automaton has 1761 states and 2665 transitions. Word has length 921 [2023-12-20 01:51:05,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:51:05,170 INFO L495 AbstractCegarLoop]: Abstraction has 1761 states and 2665 transitions. [2023-12-20 01:51:05,170 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) [2023-12-20 01:51:05,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 2665 transitions. [2023-12-20 01:51:05,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 963 [2023-12-20 01:51:05,182 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:51:05,182 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] [2023-12-20 01:51:05,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-20 01:51:05,182 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:51:05,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:51:05,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1479892361, now seen corresponding path program 1 times [2023-12-20 01:51:05,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:51:05,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958559826] [2023-12-20 01:51:05,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:51:05,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:51:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:51:05,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:51:05,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958559826] [2023-12-20 01:51:05,551 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-20 01:51:05,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699624301] [2023-12-20 01:51:05,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:51:05,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 01:51:05,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 01:51:05,557 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) [2023-12-20 01:51:05,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-20 01:51:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:51:06,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 3254 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-20 01:51:06,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 01:51:07,070 INFO L134 CoverageAnalysis]: Checked inductivity of 25327 backedges. 10562 proven. 0 refuted. 0 times theorem prover too weak. 14765 trivial. 0 not checked. [2023-12-20 01:51:07,070 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 01:51:07,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699624301] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:51:07,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:51:07,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-20 01:51:07,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319120282] [2023-12-20 01:51:07,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:51:07,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 01:51:07,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:51:07,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 01:51:07,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-20 01:51:07,073 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) [2023-12-20 01:51:11,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:51:15,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:51:19,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:51:21,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:51:21,450 INFO L93 Difference]: Finished difference Result 3804 states and 5923 transitions. [2023-12-20 01:51:21,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 01:51:21,450 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 [2023-12-20 01:51:21,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:51:21,466 INFO L225 Difference]: With dead ends: 3804 [2023-12-20 01:51:21,466 INFO L226 Difference]: Without dead ends: 2764 [2023-12-20 01:51:21,478 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 [2023-12-20 01:51:21,478 INFO L413 NwaCegarLoop]: 2489 mSDtfsCounter, 1856 mSDsluCounter, 3209 mSDsCounter, 0 mSdLazyCounter, 2081 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s 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, 14.1s IncrementalHoareTripleChecker+Time [2023-12-20 01:51:21,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1857 Valid, 5698 Invalid, 2089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2081 Invalid, 3 Unknown, 0 Unchecked, 14.1s Time] [2023-12-20 01:51:21,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2764 states. [2023-12-20 01:51:21,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2764 to 2609. [2023-12-20 01:51:21,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2609 states, 1566 states have (on average 1.252234993614304) internal successors, (1961), 1677 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) [2023-12-20 01:51:21,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 2609 states and 4026 transitions. [2023-12-20 01:51:21,797 INFO L78 Accepts]: Start accepts. Automaton has 2609 states and 4026 transitions. Word has length 962 [2023-12-20 01:51:21,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:51:21,797 INFO L495 AbstractCegarLoop]: Abstraction has 2609 states and 4026 transitions. [2023-12-20 01:51:21,797 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) [2023-12-20 01:51:21,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2609 states and 4026 transitions. [2023-12-20 01:51:21,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 958 [2023-12-20 01:51:21,818 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:51:21,819 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] [2023-12-20 01:51:21,830 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-20 01:51:22,030 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 [2023-12-20 01:51:22,030 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:51:22,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:51:22,031 INFO L85 PathProgramCache]: Analyzing trace with hash -343128833, now seen corresponding path program 1 times [2023-12-20 01:51:22,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:51:22,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692606477] [2023-12-20 01:51:22,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:51:22,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:51:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:51:22,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:51:22,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692606477] [2023-12-20 01:51:22,379 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-20 01:51:22,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115389191] [2023-12-20 01:51:22,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:51:22,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 01:51:22,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 01:51:22,380 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) [2023-12-20 01:51:22,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-20 01:51:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:51:23,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 3236 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-20 01:51:23,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 01:51:23,664 INFO L134 CoverageAnalysis]: Checked inductivity of 25322 backedges. 10560 proven. 0 refuted. 0 times theorem prover too weak. 14762 trivial. 0 not checked. [2023-12-20 01:51:23,664 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 01:51:23,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115389191] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:51:23,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:51:23,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-20 01:51:23,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820961665] [2023-12-20 01:51:23,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:51:23,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 01:51:23,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:51:23,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 01:51:23,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-20 01:51:23,666 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) [2023-12-20 01:51:27,700 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 [] [2023-12-20 01:51:31,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:51:35,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:51:39,722 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 [] [2023-12-20 01:51:40,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:51:40,583 INFO L93 Difference]: Finished difference Result 3621 states and 5670 transitions. [2023-12-20 01:51:40,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 01:51:40,586 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 [2023-12-20 01:51:40,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:51:40,595 INFO L225 Difference]: With dead ends: 3621 [2023-12-20 01:51:40,595 INFO L226 Difference]: Without dead ends: 1784 [2023-12-20 01:51:40,608 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 [2023-12-20 01:51:40,609 INFO L413 NwaCegarLoop]: 1869 mSDtfsCounter, 767 mSDsluCounter, 2928 mSDsCounter, 0 mSdLazyCounter, 957 mSolverCounterSat, 5 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s 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, 16.8s IncrementalHoareTripleChecker+Time [2023-12-20 01:51:40,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [768 Valid, 4797 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 957 Invalid, 4 Unknown, 0 Unchecked, 16.8s Time] [2023-12-20 01:51:40,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2023-12-20 01:51:40,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1780. [2023-12-20 01:51:40,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1780 states, 1090 states have (on average 1.2587155963302752) internal successors, (1372), 1148 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) [2023-12-20 01:51:40,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1780 states and 2684 transitions. [2023-12-20 01:51:40,772 INFO L78 Accepts]: Start accepts. Automaton has 1780 states and 2684 transitions. Word has length 957 [2023-12-20 01:51:40,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:51:40,773 INFO L495 AbstractCegarLoop]: Abstraction has 1780 states and 2684 transitions. [2023-12-20 01:51:40,773 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) [2023-12-20 01:51:40,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2684 transitions. [2023-12-20 01:51:40,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 953 [2023-12-20 01:51:40,787 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:51:40,787 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] [2023-12-20 01:51:40,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-20 01:51:40,998 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 [2023-12-20 01:51:40,998 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:51:40,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:51:40,999 INFO L85 PathProgramCache]: Analyzing trace with hash -419881617, now seen corresponding path program 1 times [2023-12-20 01:51:40,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:51:40,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334781691] [2023-12-20 01:51:40,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:51:40,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:51:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:51:41,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:51:41,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334781691] [2023-12-20 01:51:41,326 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-20 01:51:41,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541111297] [2023-12-20 01:51:41,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:51:41,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 01:51:41,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 01:51:41,328 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) [2023-12-20 01:51:41,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-20 01:51:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:51:42,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 3218 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-20 01:51:42,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 01:51:42,645 INFO L134 CoverageAnalysis]: Checked inductivity of 25322 backedges. 10566 proven. 0 refuted. 0 times theorem prover too weak. 14756 trivial. 0 not checked. [2023-12-20 01:51:42,646 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 01:51:42,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541111297] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:51:42,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:51:42,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-20 01:51:42,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780017526] [2023-12-20 01:51:42,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:51:42,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 01:51:42,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:51:42,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 01:51:42,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-20 01:51:42,650 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) [2023-12-20 01:51:46,882 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 [] [2023-12-20 01:51:50,891 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 [] [2023-12-20 01:51:52,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:51:52,294 INFO L93 Difference]: Finished difference Result 3227 states and 4948 transitions. [2023-12-20 01:51:52,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 01:51:52,295 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 [2023-12-20 01:51:52,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:51:52,308 INFO L225 Difference]: With dead ends: 3227 [2023-12-20 01:51:52,308 INFO L226 Difference]: Without dead ends: 2755 [2023-12-20 01:51:52,312 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 [2023-12-20 01:51:52,312 INFO L413 NwaCegarLoop]: 2392 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, 4662 SdHoareTripleChecker+Invalid, 1109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1103 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2023-12-20 01:51:52,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1874 Valid, 4662 Invalid, 1109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1103 Invalid, 2 Unknown, 0 Unchecked, 9.4s Time] [2023-12-20 01:51:52,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2755 states. [2023-12-20 01:51:52,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2755 to 2599. [2023-12-20 01:51:52,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2599 states, 1565 states have (on average 1.2511182108626198) internal successors, (1958), 1674 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) [2023-12-20 01:51:52,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2599 states to 2599 states and 3955 transitions. [2023-12-20 01:51:52,574 INFO L78 Accepts]: Start accepts. Automaton has 2599 states and 3955 transitions. Word has length 952 [2023-12-20 01:51:52,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:51:52,575 INFO L495 AbstractCegarLoop]: Abstraction has 2599 states and 3955 transitions. [2023-12-20 01:51:52,575 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) [2023-12-20 01:51:52,575 INFO L276 IsEmpty]: Start isEmpty. Operand 2599 states and 3955 transitions. [2023-12-20 01:51:52,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 957 [2023-12-20 01:51:52,593 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:51:52,594 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] [2023-12-20 01:51:52,622 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-20 01:51:52,805 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 [2023-12-20 01:51:52,805 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:51:52,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:51:52,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1303324878, now seen corresponding path program 1 times [2023-12-20 01:51:52,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:51:52,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678002484] [2023-12-20 01:51:52,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:51:52,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:51:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:51:53,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:51:53,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678002484] [2023-12-20 01:51:53,171 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-20 01:51:53,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980332478] [2023-12-20 01:51:53,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:51:53,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 01:51:53,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 01:51:53,186 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) [2023-12-20 01:51:53,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-20 01:51:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:51:54,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 3229 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-20 01:51:54,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 01:51:54,422 INFO L134 CoverageAnalysis]: Checked inductivity of 25322 backedges. 10560 proven. 0 refuted. 0 times theorem prover too weak. 14762 trivial. 0 not checked. [2023-12-20 01:51:54,422 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 01:51:54,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980332478] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:51:54,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:51:54,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-20 01:51:54,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217773632] [2023-12-20 01:51:54,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:51:54,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 01:51:54,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:51:54,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 01:51:54,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-20 01:51:54,424 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) [2023-12-20 01:51:58,468 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 [] [2023-12-20 01:52:02,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:52:06,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:52:10,498 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 [] [2023-12-20 01:52:11,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:52:11,537 INFO L93 Difference]: Finished difference Result 3744 states and 5764 transitions. [2023-12-20 01:52:11,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 01:52:11,537 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 [2023-12-20 01:52:11,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:52:11,545 INFO L225 Difference]: With dead ends: 3744 [2023-12-20 01:52:11,545 INFO L226 Difference]: Without dead ends: 1910 [2023-12-20 01:52:11,556 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 [2023-12-20 01:52:11,556 INFO L413 NwaCegarLoop]: 1946 mSDtfsCounter, 754 mSDsluCounter, 4293 mSDsCounter, 0 mSdLazyCounter, 1008 mSolverCounterSat, 9 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 756 SdHoareTripleChecker+Valid, 6239 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 [2023-12-20 01:52:11,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [756 Valid, 6239 Invalid, 1021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1008 Invalid, 4 Unknown, 0 Unchecked, 16.9s Time] [2023-12-20 01:52:11,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1910 states. [2023-12-20 01:52:11,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1910 to 1908. [2023-12-20 01:52:11,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1908 states, 1176 states have (on average 1.2636054421768708) internal successors, (1486), 1235 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) [2023-12-20 01:52:11,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1908 states and 2859 transitions. [2023-12-20 01:52:11,725 INFO L78 Accepts]: Start accepts. Automaton has 1908 states and 2859 transitions. Word has length 956 [2023-12-20 01:52:11,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:52:11,726 INFO L495 AbstractCegarLoop]: Abstraction has 1908 states and 2859 transitions. [2023-12-20 01:52:11,726 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) [2023-12-20 01:52:11,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1908 states and 2859 transitions. [2023-12-20 01:52:11,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 928 [2023-12-20 01:52:11,737 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:52:11,738 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] [2023-12-20 01:52:11,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-20 01:52:11,949 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 [2023-12-20 01:52:11,949 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:52:11,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:52:11,950 INFO L85 PathProgramCache]: Analyzing trace with hash 854555434, now seen corresponding path program 1 times [2023-12-20 01:52:11,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:52:11,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991280222] [2023-12-20 01:52:11,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:52:11,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:52:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-20 01:52:12,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 01:52:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 01:52:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-20 01:52:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-20 01:52:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-20 01:52:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-20 01:52:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-20 01:52:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-20 01:52:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-20 01:52:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-20 01:52:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-20 01:52:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-20 01:52:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-20 01:52:12,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-20 01:52:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 01:52:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 01:52:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-20 01:52:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-20 01:52:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-20 01:52:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-20 01:52:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-20 01:52:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-20 01:52:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-20 01:52:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-20 01:52:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-20 01:52:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-20 01:52:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-20 01:52:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-20 01:52:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-20 01:52:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-20 01:52:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-20 01:52:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-20 01:52:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-20 01:52:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-20 01:52:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-20 01:52:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-20 01:52:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-20 01:52:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-20 01:52:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-20 01:52:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-20 01:52:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-20 01:52:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-20 01:52:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-20 01:52:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-20 01:52:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-20 01:52:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-20 01:52:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-20 01:52:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-20 01:52:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-20 01:52:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-20 01:52:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-20 01:52:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-20 01:52:12,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-20 01:52:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-20 01:52:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-20 01:52:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-20 01:52:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-20 01:52:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-20 01:52:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-20 01:52:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-20 01:52:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-20 01:52:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-20 01:52:12,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-20 01:52:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-20 01:52:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-20 01:52:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-20 01:52:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-20 01:52:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-20 01:52:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-20 01:52:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-20 01:52:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:12,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-20 01:52:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-20 01:52:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-20 01:52:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-20 01:52:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-20 01:52:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-20 01:52:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-20 01:52:13,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-20 01:52:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-20 01:52:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-20 01:52:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-20 01:52:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-20 01:52:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-20 01:52:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-20 01:52:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-20 01:52:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2023-12-20 01:52:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-20 01:52:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2023-12-20 01:52:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-20 01:52:13,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2023-12-20 01:52:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2023-12-20 01:52:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2023-12-20 01:52:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2023-12-20 01:52:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2023-12-20 01:52:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2023-12-20 01:52:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2023-12-20 01:52:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2023-12-20 01:52:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2023-12-20 01:52:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2023-12-20 01:52:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 803 [2023-12-20 01:52:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2023-12-20 01:52:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2023-12-20 01:52:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2023-12-20 01:52:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-12-20 01:52:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2023-12-20 01:52:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2023-12-20 01:52:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-12-20 01:52:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2023-12-20 01:52:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-12-20 01:52:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-12-20 01:52:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2023-12-20 01:52:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 875 [2023-12-20 01:52:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2023-12-20 01:52:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 887 [2023-12-20 01:52:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2023-12-20 01:52:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2023-12-20 01:52:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 905 [2023-12-20 01:52:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 911 [2023-12-20 01:52:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 917 [2023-12-20 01:52:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:13,169 INFO L134 CoverageAnalysis]: Checked inductivity of 24582 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24564 trivial. 0 not checked. [2023-12-20 01:52:13,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:52:13,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991280222] [2023-12-20 01:52:13,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991280222] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:52:13,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:52:13,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 01:52:13,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644546495] [2023-12-20 01:52:13,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:52:13,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 01:52:13,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:52:13,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 01:52:13,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 01:52:13,171 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) [2023-12-20 01:52:17,216 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 [] [2023-12-20 01:52:21,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:52:25,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:52:29,239 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 [] [2023-12-20 01:52:29,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:52:29,613 INFO L93 Difference]: Finished difference Result 1916 states and 2865 transitions. [2023-12-20 01:52:29,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 01:52:29,613 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 [2023-12-20 01:52:29,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:52:29,620 INFO L225 Difference]: With dead ends: 1916 [2023-12-20 01:52:29,620 INFO L226 Difference]: Without dead ends: 1914 [2023-12-20 01:52:29,620 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 [2023-12-20 01:52:29,622 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 [2023-12-20 01:52:29,622 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] [2023-12-20 01:52:29,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1914 states. [2023-12-20 01:52:29,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1914 to 1912. [2023-12-20 01:52:29,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1912 states, 1179 states have (on average 1.2629346904156065) internal successors, (1489), 1238 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) [2023-12-20 01:52:29,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1912 states to 1912 states and 2862 transitions. [2023-12-20 01:52:29,784 INFO L78 Accepts]: Start accepts. Automaton has 1912 states and 2862 transitions. Word has length 927 [2023-12-20 01:52:29,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:52:29,785 INFO L495 AbstractCegarLoop]: Abstraction has 1912 states and 2862 transitions. [2023-12-20 01:52:29,785 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) [2023-12-20 01:52:29,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1912 states and 2862 transitions. [2023-12-20 01:52:29,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 963 [2023-12-20 01:52:29,796 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:52:29,796 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] [2023-12-20 01:52:29,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-20 01:52:29,796 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:52:29,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:52:29,797 INFO L85 PathProgramCache]: Analyzing trace with hash 388365956, now seen corresponding path program 1 times [2023-12-20 01:52:29,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:52:29,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682674186] [2023-12-20 01:52:29,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:52:29,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:52:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:30,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:52:30,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682674186] [2023-12-20 01:52:30,150 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-20 01:52:30,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729719028] [2023-12-20 01:52:30,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:52:30,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 01:52:30,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 01:52:30,151 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) [2023-12-20 01:52:30,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-20 01:52:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:31,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 3250 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-20 01:52:31,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 01:52:31,453 INFO L134 CoverageAnalysis]: Checked inductivity of 25322 backedges. 10560 proven. 0 refuted. 0 times theorem prover too weak. 14762 trivial. 0 not checked. [2023-12-20 01:52:31,453 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 01:52:31,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729719028] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:52:31,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:52:31,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-20 01:52:31,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631143594] [2023-12-20 01:52:31,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:52:31,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 01:52:31,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:52:31,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 01:52:31,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-20 01:52:31,455 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) [2023-12-20 01:52:35,692 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 [] [2023-12-20 01:52:39,702 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 [] [2023-12-20 01:52:40,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:52:40,821 INFO L93 Difference]: Finished difference Result 2975 states and 4500 transitions. [2023-12-20 01:52:40,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 01:52:40,821 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 [2023-12-20 01:52:40,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:52:40,834 INFO L225 Difference]: With dead ends: 2975 [2023-12-20 01:52:40,834 INFO L226 Difference]: Without dead ends: 1993 [2023-12-20 01:52:40,842 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 [2023-12-20 01:52:40,842 INFO L413 NwaCegarLoop]: 1928 mSDtfsCounter, 1879 mSDsluCounter, 1147 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s 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, 9.2s IncrementalHoareTripleChecker+Time [2023-12-20 01:52:40,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1880 Valid, 3075 Invalid, 1037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1032 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2023-12-20 01:52:40,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1993 states. [2023-12-20 01:52:41,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1993 to 1908. [2023-12-20 01:52:41,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1908 states, 1177 states have (on average 1.2616822429906542) internal successors, (1485), 1236 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) [2023-12-20 01:52:41,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1908 states and 2854 transitions. [2023-12-20 01:52:41,089 INFO L78 Accepts]: Start accepts. Automaton has 1908 states and 2854 transitions. Word has length 962 [2023-12-20 01:52:41,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:52:41,090 INFO L495 AbstractCegarLoop]: Abstraction has 1908 states and 2854 transitions. [2023-12-20 01:52:41,090 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) [2023-12-20 01:52:41,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1908 states and 2854 transitions. [2023-12-20 01:52:41,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 961 [2023-12-20 01:52:41,100 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:52:41,101 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] [2023-12-20 01:52:41,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-20 01:52:41,312 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 [2023-12-20 01:52:41,312 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:52:41,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:52:41,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1032212207, now seen corresponding path program 1 times [2023-12-20 01:52:41,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:52:41,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914407331] [2023-12-20 01:52:41,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:52:41,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:52:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:41,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:52:41,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914407331] [2023-12-20 01:52:41,650 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-20 01:52:41,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228343922] [2023-12-20 01:52:41,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:52:41,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 01:52:41,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 01:52:41,651 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) [2023-12-20 01:52:41,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-20 01:52:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:42,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 3240 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-20 01:52:42,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 01:52:43,053 INFO L134 CoverageAnalysis]: Checked inductivity of 25324 backedges. 10564 proven. 0 refuted. 0 times theorem prover too weak. 14760 trivial. 0 not checked. [2023-12-20 01:52:43,053 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 01:52:43,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228343922] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:52:43,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:52:43,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-20 01:52:43,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689632131] [2023-12-20 01:52:43,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:52:43,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 01:52:43,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:52:43,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 01:52:43,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-20 01:52:43,056 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) [2023-12-20 01:52:47,101 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 [] [2023-12-20 01:52:51,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:52:55,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:52:59,124 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 [] [2023-12-20 01:53:00,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:53:00,106 INFO L93 Difference]: Finished difference Result 2888 states and 4373 transitions. [2023-12-20 01:53:00,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 01:53:00,106 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 [2023-12-20 01:53:00,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:53:00,112 INFO L225 Difference]: With dead ends: 2888 [2023-12-20 01:53:00,112 INFO L226 Difference]: Without dead ends: 1910 [2023-12-20 01:53:00,116 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 [2023-12-20 01:53:00,116 INFO L413 NwaCegarLoop]: 1940 mSDtfsCounter, 745 mSDsluCounter, 3071 mSDsCounter, 0 mSdLazyCounter, 987 mSolverCounterSat, 10 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s 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, 16.8s IncrementalHoareTripleChecker+Time [2023-12-20 01:53:00,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [748 Valid, 5011 Invalid, 1001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 987 Invalid, 4 Unknown, 0 Unchecked, 16.8s Time] [2023-12-20 01:53:00,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1910 states. [2023-12-20 01:53:00,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1910 to 1908. [2023-12-20 01:53:00,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1908 states, 1177 states have (on average 1.259983007646559) internal successors, (1483), 1236 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) [2023-12-20 01:53:00,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1908 states and 2852 transitions. [2023-12-20 01:53:00,317 INFO L78 Accepts]: Start accepts. Automaton has 1908 states and 2852 transitions. Word has length 960 [2023-12-20 01:53:00,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:53:00,317 INFO L495 AbstractCegarLoop]: Abstraction has 1908 states and 2852 transitions. [2023-12-20 01:53:00,318 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) [2023-12-20 01:53:00,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1908 states and 2852 transitions. [2023-12-20 01:53:00,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 969 [2023-12-20 01:53:00,328 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:53:00,329 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] [2023-12-20 01:53:00,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-20 01:53:00,541 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 [2023-12-20 01:53:00,541 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:53:00,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:53:00,541 INFO L85 PathProgramCache]: Analyzing trace with hash -977388819, now seen corresponding path program 1 times [2023-12-20 01:53:00,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:53:00,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557274293] [2023-12-20 01:53:00,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:53:00,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:53:00,860 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 01:53:00,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2046968438] [2023-12-20 01:53:00,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:53:00,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 01:53:00,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 01:53:00,862 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) [2023-12-20 01:53:00,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-20 01:53:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:53:02,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 3262 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-20 01:53:02,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 01:53:02,625 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 [2023-12-20 01:53:03,109 INFO L134 CoverageAnalysis]: Checked inductivity of 25336 backedges. 10574 proven. 0 refuted. 0 times theorem prover too weak. 14762 trivial. 0 not checked. [2023-12-20 01:53:03,109 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 01:53:03,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:53:03,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557274293] [2023-12-20 01:53:03,109 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 01:53:03,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046968438] [2023-12-20 01:53:03,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046968438] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:53:03,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:53:03,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-20 01:53:03,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220559184] [2023-12-20 01:53:03,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:53:03,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-20 01:53:03,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:53:03,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-20 01:53:03,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2023-12-20 01:53:03,111 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) [2023-12-20 01:53:07,982 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] [2023-12-20 01:53:11,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-20 01:53:16,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-20 01:53:20,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-20 01:53:24,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-20 01:53:28,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-20 01:53:32,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-20 01:53:36,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-20 01:53:40,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-20 01:53:44,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-20 01:53:48,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-20 01:53:56,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:53:56,299 INFO L93 Difference]: Finished difference Result 4317 states and 6844 transitions. [2023-12-20 01:53:56,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-20 01:53:56,300 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 [2023-12-20 01:53:56,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:53:56,312 INFO L225 Difference]: With dead ends: 4317 [2023-12-20 01:53:56,312 INFO L226 Difference]: Without dead ends: 3339 [2023-12-20 01:53:56,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 972 GetRequests, 956 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2023-12-20 01:53:56,320 INFO L413 NwaCegarLoop]: 2383 mSDtfsCounter, 1867 mSDsluCounter, 5317 mSDsCounter, 0 mSdLazyCounter, 9056 mSolverCounterSat, 838 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2460 SdHoareTripleChecker+Valid, 7700 SdHoareTripleChecker+Invalid, 9905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 838 IncrementalHoareTripleChecker+Valid, 9056 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.6s IncrementalHoareTripleChecker+Time [2023-12-20 01:53:56,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2460 Valid, 7700 Invalid, 9905 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [838 Valid, 9056 Invalid, 11 Unknown, 0 Unchecked, 52.6s Time] [2023-12-20 01:53:56,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3339 states. [2023-12-20 01:53:56,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3339 to 3080. [2023-12-20 01:53:56,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3080 states, 1885 states have (on average 1.250397877984085) internal successors, (2357), 2008 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) [2023-12-20 01:53:56,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3080 states to 3080 states and 4744 transitions. [2023-12-20 01:53:56,721 INFO L78 Accepts]: Start accepts. Automaton has 3080 states and 4744 transitions. Word has length 968 [2023-12-20 01:53:56,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:53:56,721 INFO L495 AbstractCegarLoop]: Abstraction has 3080 states and 4744 transitions. [2023-12-20 01:53:56,721 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) [2023-12-20 01:53:56,722 INFO L276 IsEmpty]: Start isEmpty. Operand 3080 states and 4744 transitions. [2023-12-20 01:53:56,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 999 [2023-12-20 01:53:56,740 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:53:56,740 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] [2023-12-20 01:53:56,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-20 01:53:56,953 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 [2023-12-20 01:53:56,953 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:53:56,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:53:56,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1752947922, now seen corresponding path program 1 times [2023-12-20 01:53:56,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:53:56,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769573240] [2023-12-20 01:53:56,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:53:56,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:53:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:53:57,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:53:57,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769573240] [2023-12-20 01:53:57,267 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-20 01:53:57,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126510420] [2023-12-20 01:53:57,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:53:57,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 01:53:57,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 01:53:57,268 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) [2023-12-20 01:53:57,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-20 01:53:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:53:58,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 3335 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-20 01:53:58,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 01:53:58,705 INFO L134 CoverageAnalysis]: Checked inductivity of 27159 backedges. 11746 proven. 0 refuted. 0 times theorem prover too weak. 15413 trivial. 0 not checked. [2023-12-20 01:53:58,706 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 01:53:58,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126510420] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:53:58,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:53:58,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-20 01:53:58,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095854890] [2023-12-20 01:53:58,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:53:58,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 01:53:58,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:53:58,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 01:53:58,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-20 01:53:58,708 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) [2023-12-20 01:54:02,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:54:06,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:54:10,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:54:14,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:54:15,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:54:15,807 INFO L93 Difference]: Finished difference Result 5194 states and 8335 transitions. [2023-12-20 01:54:15,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 01:54:15,808 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 [2023-12-20 01:54:15,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:54:15,820 INFO L225 Difference]: With dead ends: 5194 [2023-12-20 01:54:15,820 INFO L226 Difference]: Without dead ends: 3053 [2023-12-20 01:54:15,832 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 [2023-12-20 01:54:15,833 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, 16.8s IncrementalHoareTripleChecker+Time [2023-12-20 01:54:15,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [730 Valid, 5915 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 959 Invalid, 4 Unknown, 0 Unchecked, 16.8s Time] [2023-12-20 01:54:15,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3053 states. [2023-12-20 01:54:16,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3053 to 3050. [2023-12-20 01:54:16,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3050 states, 1864 states have (on average 1.2467811158798283) internal successors, (2324), 1990 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) [2023-12-20 01:54:16,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3050 states to 3050 states and 4692 transitions. [2023-12-20 01:54:16,193 INFO L78 Accepts]: Start accepts. Automaton has 3050 states and 4692 transitions. Word has length 998 [2023-12-20 01:54:16,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:54:16,193 INFO L495 AbstractCegarLoop]: Abstraction has 3050 states and 4692 transitions. [2023-12-20 01:54:16,193 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) [2023-12-20 01:54:16,194 INFO L276 IsEmpty]: Start isEmpty. Operand 3050 states and 4692 transitions. [2023-12-20 01:54:16,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 984 [2023-12-20 01:54:16,212 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:54:16,212 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] [2023-12-20 01:54:16,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-20 01:54:16,423 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 [2023-12-20 01:54:16,424 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:54:16,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:54:16,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1312679274, now seen corresponding path program 1 times [2023-12-20 01:54:16,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:54:16,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235695111] [2023-12-20 01:54:16,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:54:16,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:54:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:54:16,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:54:16,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235695111] [2023-12-20 01:54:16,733 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-20 01:54:16,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839295209] [2023-12-20 01:54:16,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:54:16,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 01:54:16,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 01:54:16,735 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) [2023-12-20 01:54:16,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-20 01:54:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:54:18,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 3296 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-20 01:54:18,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 01:54:18,217 INFO L134 CoverageAnalysis]: Checked inductivity of 26235 backedges. 10831 proven. 0 refuted. 0 times theorem prover too weak. 15404 trivial. 0 not checked. [2023-12-20 01:54:18,217 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 01:54:18,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839295209] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:54:18,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:54:18,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-20 01:54:18,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550394350] [2023-12-20 01:54:18,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:54:18,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 01:54:18,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:54:18,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 01:54:18,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-20 01:54:18,219 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) [2023-12-20 01:54:22,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:54:26,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:54:28,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:54:28,003 INFO L93 Difference]: Finished difference Result 5210 states and 8332 transitions. [2023-12-20 01:54:28,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 01:54:28,003 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 [2023-12-20 01:54:28,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:54:28,014 INFO L225 Difference]: With dead ends: 5210 [2023-12-20 01:54:28,015 INFO L226 Difference]: Without dead ends: 3099 [2023-12-20 01:54:28,026 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 [2023-12-20 01:54:28,028 INFO L413 NwaCegarLoop]: 1917 mSDtfsCounter, 2823 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 1013 mSolverCounterSat, 900 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s 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, 9.5s IncrementalHoareTripleChecker+Time [2023-12-20 01:54:28,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2824 Valid, 2957 Invalid, 1915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [900 Valid, 1013 Invalid, 2 Unknown, 0 Unchecked, 9.5s Time] [2023-12-20 01:54:28,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3099 states. [2023-12-20 01:54:28,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3099 to 3014. [2023-12-20 01:54:28,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3014 states, 1840 states have (on average 1.2434782608695651) internal successors, (2288), 1966 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) [2023-12-20 01:54:28,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3014 states to 3014 states and 4621 transitions. [2023-12-20 01:54:28,361 INFO L78 Accepts]: Start accepts. Automaton has 3014 states and 4621 transitions. Word has length 983 [2023-12-20 01:54:28,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:54:28,362 INFO L495 AbstractCegarLoop]: Abstraction has 3014 states and 4621 transitions. [2023-12-20 01:54:28,362 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) [2023-12-20 01:54:28,362 INFO L276 IsEmpty]: Start isEmpty. Operand 3014 states and 4621 transitions. [2023-12-20 01:54:28,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 969 [2023-12-20 01:54:28,380 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:54:28,380 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] [2023-12-20 01:54:28,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-12-20 01:54:28,591 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 [2023-12-20 01:54:28,592 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:54:28,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:54:28,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1642213743, now seen corresponding path program 1 times [2023-12-20 01:54:28,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:54:28,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775636385] [2023-12-20 01:54:28,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:54:28,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:54:28,859 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 01:54:28,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1271254873] [2023-12-20 01:54:28,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:54:28,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 01:54:28,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 01:54:28,861 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) [2023-12-20 01:54:28,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-20 01:54:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:54:30,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 3259 conjuncts, 84 conjunts are in the unsatisfiable core [2023-12-20 01:54:30,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 01:54:30,395 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 [2023-12-20 01:54:30,399 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 [2023-12-20 01:54:30,786 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 [2023-12-20 01:54:30,799 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 [2023-12-20 01:54:33,213 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 315 [2023-12-20 01:54:38,436 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 243 treesize of output 177 [2023-12-20 01:54:38,510 INFO L134 CoverageAnalysis]: Checked inductivity of 25336 backedges. 10619 proven. 1271 refuted. 0 times theorem prover too weak. 13446 trivial. 0 not checked. [2023-12-20 01:54:38,511 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 01:54:40,008 INFO L134 CoverageAnalysis]: Checked inductivity of 25336 backedges. 159 proven. 510 refuted. 0 times theorem prover too weak. 24667 trivial. 0 not checked. [2023-12-20 01:54:40,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:54:40,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775636385] [2023-12-20 01:54:40,008 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 01:54:40,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271254873] [2023-12-20 01:54:40,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271254873] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 01:54:40,008 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-20 01:54:40,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 28 [2023-12-20 01:54:40,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371032688] [2023-12-20 01:54:40,009 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-20 01:54:40,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-12-20 01:54:40,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:54:40,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-12-20 01:54:40,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=610, Unknown=0, NotChecked=0, Total=756 [2023-12-20 01:54:40,011 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) [2023-12-20 01:54:43,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:55:00,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:55:04,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:55:09,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:55:13,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:55:17,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:55:21,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:55:25,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:55:29,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:55:33,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:55:37,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:55:41,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:55:45,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:55:49,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:55:53,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:56:38,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:56:38,574 INFO L93 Difference]: Finished difference Result 11171 states and 16005 transitions. [2023-12-20 01:56:38,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-12-20 01:56:38,575 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 [2023-12-20 01:56:38,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:56:38,599 INFO L225 Difference]: With dead ends: 11171 [2023-12-20 01:56:38,599 INFO L226 Difference]: Without dead ends: 9432 [2023-12-20 01:56:38,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2004 GetRequests, 1923 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1511 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=1590, Invalid=5216, Unknown=0, NotChecked=0, Total=6806 [2023-12-20 01:56:38,606 INFO L413 NwaCegarLoop]: 1437 mSDtfsCounter, 11099 mSDsluCounter, 8065 mSDsCounter, 0 mSdLazyCounter, 19038 mSolverCounterSat, 12646 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 106.3s 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, 110.4s IncrementalHoareTripleChecker+Time [2023-12-20 01:56:38,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11099 Valid, 9502 Invalid, 31698 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12646 Valid, 19038 Invalid, 14 Unknown, 0 Unchecked, 110.4s Time] [2023-12-20 01:56:38,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9432 states. [2023-12-20 01:56:40,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9432 to 8630. [2023-12-20 01:56:40,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8630 states, 5248 states have (on average 1.205030487804878) internal successors, (6324), 5512 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) [2023-12-20 01:56:40,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8630 states to 8630 states and 12498 transitions. [2023-12-20 01:56:40,370 INFO L78 Accepts]: Start accepts. Automaton has 8630 states and 12498 transitions. Word has length 968 [2023-12-20 01:56:40,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:56:40,370 INFO L495 AbstractCegarLoop]: Abstraction has 8630 states and 12498 transitions. [2023-12-20 01:56:40,371 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) [2023-12-20 01:56:40,371 INFO L276 IsEmpty]: Start isEmpty. Operand 8630 states and 12498 transitions. [2023-12-20 01:56:40,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 969 [2023-12-20 01:56:40,405 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:56:40,405 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] [2023-12-20 01:56:40,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-12-20 01:56:40,621 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 [2023-12-20 01:56:40,621 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:56:40,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:56:40,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1221982063, now seen corresponding path program 1 times [2023-12-20 01:56:40,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:56:40,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602904133] [2023-12-20 01:56:40,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:56:40,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:56:40,882 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 01:56:40,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1599170687] [2023-12-20 01:56:40,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:56:40,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 01:56:40,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 01:56:40,883 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) [2023-12-20 01:56:40,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-20 01:56:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:56:42,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 3259 conjuncts, 115 conjunts are in the unsatisfiable core [2023-12-20 01:56:42,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 01:56:42,541 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 [2023-12-20 01:56:42,544 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 [2023-12-20 01:56:42,903 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 [2023-12-20 01:56:42,917 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 [2023-12-20 01:56:44,712 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 308 [2023-12-20 01:56:48,623 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 218 treesize of output 158 [2023-12-20 01:56:48,689 INFO L134 CoverageAnalysis]: Checked inductivity of 25336 backedges. 10568 proven. 1400 refuted. 0 times theorem prover too weak. 13368 trivial. 0 not checked. [2023-12-20 01:56:48,689 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 01:56:49,703 INFO L134 CoverageAnalysis]: Checked inductivity of 25336 backedges. 72 proven. 264 refuted. 0 times theorem prover too weak. 25000 trivial. 0 not checked. [2023-12-20 01:56:49,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:56:49,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602904133] [2023-12-20 01:56:49,704 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 01:56:49,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599170687] [2023-12-20 01:56:49,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1599170687] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 01:56:49,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-20 01:56:49,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 20 [2023-12-20 01:56:49,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067962554] [2023-12-20 01:56:49,704 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-20 01:56:49,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-20 01:56:49,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:56:49,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-20 01:56:49,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2023-12-20 01:56:49,707 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) [2023-12-20 01:56:51,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:56:53,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:57:07,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:57:11,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:57:15,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:57:19,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:57:23,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:57:27,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:57:31,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:57:35,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:57:39,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:57:43,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:57:47,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:58:31,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:58:31,695 INFO L93 Difference]: Finished difference Result 33471 states and 47054 transitions. [2023-12-20 01:58:31,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-20 01:58:31,698 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 [2023-12-20 01:58:31,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:58:31,796 INFO L225 Difference]: With dead ends: 33471 [2023-12-20 01:58:31,796 INFO L226 Difference]: Without dead ends: 26202 [2023-12-20 01:58:31,819 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 [2023-12-20 01:58:31,820 INFO L413 NwaCegarLoop]: 1431 mSDtfsCounter, 9981 mSDsluCounter, 5215 mSDsCounter, 0 mSdLazyCounter, 12964 mSolverCounterSat, 11340 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86.3s 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, 90.2s IncrementalHoareTripleChecker+Time [2023-12-20 01:58:31,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9981 Valid, 6646 Invalid, 24315 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11340 Valid, 12964 Invalid, 11 Unknown, 0 Unchecked, 90.2s Time] [2023-12-20 01:58:31,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26202 states. [2023-12-20 01:58:37,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26202 to 20344. [2023-12-20 01:58:37,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20344 states, 12413 states have (on average 1.2026907274631435) internal successors, (14929), 12987 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) [2023-12-20 01:58:38,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20344 states to 20344 states and 28893 transitions. [2023-12-20 01:58:38,025 INFO L78 Accepts]: Start accepts. Automaton has 20344 states and 28893 transitions. Word has length 968 [2023-12-20 01:58:38,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:58:38,025 INFO L495 AbstractCegarLoop]: Abstraction has 20344 states and 28893 transitions. [2023-12-20 01:58:38,026 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) [2023-12-20 01:58:38,026 INFO L276 IsEmpty]: Start isEmpty. Operand 20344 states and 28893 transitions. [2023-12-20 01:58:38,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 934 [2023-12-20 01:58:38,101 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:58:38,102 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] [2023-12-20 01:58:38,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-20 01:58:38,311 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 [2023-12-20 01:58:38,311 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:58:38,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:58:38,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1848680929, now seen corresponding path program 1 times [2023-12-20 01:58:38,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:58:38,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81433103] [2023-12-20 01:58:38,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:58:38,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:58:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-20 01:58:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 01:58:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 01:58:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-20 01:58:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-20 01:58:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-20 01:58:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-20 01:58:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-20 01:58:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-20 01:58:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-20 01:58:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-20 01:58:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-20 01:58:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-20 01:58:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-20 01:58:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-20 01:58:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 01:58:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 01:58:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-20 01:58:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-20 01:58:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-20 01:58:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-20 01:58:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-20 01:58:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-20 01:58:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-20 01:58:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-20 01:58:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-20 01:58:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-20 01:58:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-20 01:58:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-20 01:58:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-20 01:58:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-20 01:58:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-20 01:58:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-20 01:58:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-20 01:58:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-20 01:58:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-20 01:58:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-20 01:58:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-20 01:58:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-20 01:58:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-20 01:58:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-20 01:58:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-20 01:58:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-20 01:58:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-20 01:58:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-20 01:58:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-20 01:58:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-20 01:58:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-20 01:58:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-20 01:58:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-20 01:58:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-20 01:58:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-20 01:58:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-20 01:58:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-20 01:58:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-20 01:58:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-20 01:58:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-20 01:58:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-20 01:58:39,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-20 01:58:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-20 01:58:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-20 01:58:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-20 01:58:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-20 01:58:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-20 01:58:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-20 01:58:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-20 01:58:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-20 01:58:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-20 01:58:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-20 01:58:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-20 01:58:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-20 01:58:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-20 01:58:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-20 01:58:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-20 01:58:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-20 01:58:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-20 01:58:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-20 01:58:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-20 01:58:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-20 01:58:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-20 01:58:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-20 01:58:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-20 01:58:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-20 01:58:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-20 01:58:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-20 01:58:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-20 01:58:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2023-12-20 01:58:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-20 01:58:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2023-12-20 01:58:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-20 01:58:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2023-12-20 01:58:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2023-12-20 01:58:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2023-12-20 01:58:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2023-12-20 01:58:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2023-12-20 01:58:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2023-12-20 01:58:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2023-12-20 01:58:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2023-12-20 01:58:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2023-12-20 01:58:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2023-12-20 01:58:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 803 [2023-12-20 01:58:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2023-12-20 01:58:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2023-12-20 01:58:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2023-12-20 01:58:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-12-20 01:58:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2023-12-20 01:58:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2023-12-20 01:58:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-12-20 01:58:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2023-12-20 01:58:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-12-20 01:58:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-12-20 01:58:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2023-12-20 01:58:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 875 [2023-12-20 01:58:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2023-12-20 01:58:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 887 [2023-12-20 01:58:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2023-12-20 01:58:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2023-12-20 01:58:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 905 [2023-12-20 01:58:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 911 [2023-12-20 01:58:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 917 [2023-12-20 01:58:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 923 [2023-12-20 01:58:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:39,575 INFO L134 CoverageAnalysis]: Checked inductivity of 24620 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24600 trivial. 0 not checked. [2023-12-20 01:58:39,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:58:39,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81433103] [2023-12-20 01:58:39,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81433103] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:58:39,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:58:39,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 01:58:39,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076953155] [2023-12-20 01:58:39,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:58:39,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 01:58:39,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:58:39,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 01:58:39,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 01:58:39,579 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) [2023-12-20 01:58:43,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:58:47,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:58:51,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:58:55,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:59:01,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:59:01,394 INFO L93 Difference]: Finished difference Result 20352 states and 28899 transitions. [2023-12-20 01:59:01,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 01:59:01,394 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 [2023-12-20 01:59:01,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:59:01,453 INFO L225 Difference]: With dead ends: 20352 [2023-12-20 01:59:01,453 INFO L226 Difference]: Without dead ends: 20350 [2023-12-20 01:59:01,460 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 [2023-12-20 01:59:01,461 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, 16.3s IncrementalHoareTripleChecker+Time [2023-12-20 01:59:01,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1446 Valid, 7963 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 296 Invalid, 4 Unknown, 0 Unchecked, 16.3s Time] [2023-12-20 01:59:01,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20350 states. [2023-12-20 01:59:07,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20350 to 20348. [2023-12-20 01:59:07,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20348 states, 12416 states have (on average 1.2026417525773196) internal successors, (14932), 12990 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) [2023-12-20 01:59:07,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20348 states to 20348 states and 28896 transitions. [2023-12-20 01:59:07,343 INFO L78 Accepts]: Start accepts. Automaton has 20348 states and 28896 transitions. Word has length 933 [2023-12-20 01:59:07,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:59:07,344 INFO L495 AbstractCegarLoop]: Abstraction has 20348 states and 28896 transitions. [2023-12-20 01:59:07,346 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) [2023-12-20 01:59:07,346 INFO L276 IsEmpty]: Start isEmpty. Operand 20348 states and 28896 transitions. [2023-12-20 01:59:07,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 969 [2023-12-20 01:59:07,434 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:59:07,435 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] [2023-12-20 01:59:07,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-20 01:59:07,435 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:59:07,435 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:59:07,435 INFO L85 PathProgramCache]: Analyzing trace with hash -908295811, now seen corresponding path program 1 times [2023-12-20 01:59:07,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:59:07,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393970285] [2023-12-20 01:59:07,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:59:07,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:59:07,742 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 01:59:07,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [950605804] [2023-12-20 01:59:07,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:59:07,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 01:59:07,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 01:59:07,743 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) [2023-12-20 01:59:07,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-20 01:59:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:59:09,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 3259 conjuncts, 103 conjunts are in the unsatisfiable core [2023-12-20 01:59:09,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 01:59:09,406 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 [2023-12-20 01:59:09,411 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 [2023-12-20 01:59:09,814 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 [2023-12-20 01:59:09,828 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 [2023-12-20 01:59:11,409 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 308 [2023-12-20 01:59:15,469 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 [2023-12-20 01:59:15,528 INFO L134 CoverageAnalysis]: Checked inductivity of 25336 backedges. 10570 proven. 1446 refuted. 0 times theorem prover too weak. 13320 trivial. 0 not checked. [2023-12-20 01:59:15,528 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 01:59:16,523 INFO L134 CoverageAnalysis]: Checked inductivity of 25336 backedges. 66 proven. 270 refuted. 0 times theorem prover too weak. 25000 trivial. 0 not checked. [2023-12-20 01:59:16,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:59:16,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393970285] [2023-12-20 01:59:16,524 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 01:59:16,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950605804] [2023-12-20 01:59:16,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950605804] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 01:59:16,524 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-20 01:59:16,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 20 [2023-12-20 01:59:16,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090205199] [2023-12-20 01:59:16,525 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-20 01:59:16,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-20 01:59:16,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:59:16,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-20 01:59:16,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2023-12-20 01:59:16,542 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) [2023-12-20 01:59:18,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:59:32,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:59:36,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:59:40,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:59:44,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:59:48,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:59:52,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:59:57,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 02:00:01,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 02:00:05,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 02:00:09,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 02:00:13,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 02:01:11,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:01:11,425 INFO L93 Difference]: Finished difference Result 82243 states and 115097 transitions. [2023-12-20 02:01:11,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-20 02:01:11,426 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 [2023-12-20 02:01:11,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:01:11,692 INFO L225 Difference]: With dead ends: 82243 [2023-12-20 02:01:11,692 INFO L226 Difference]: Without dead ends: 63204 [2023-12-20 02:01:11,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1999 GetRequests, 1931 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1113 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=1143, Invalid=3687, Unknown=0, NotChecked=0, Total=4830 [2023-12-20 02:01:11,757 INFO L413 NwaCegarLoop]: 1429 mSDtfsCounter, 9260 mSDsluCounter, 5192 mSDsCounter, 0 mSdLazyCounter, 12950 mSolverCounterSat, 10441 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 84.4s 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, 88.2s IncrementalHoareTripleChecker+Time [2023-12-20 02:01:11,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9260 Valid, 6621 Invalid, 23402 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10441 Valid, 12950 Invalid, 11 Unknown, 0 Unchecked, 88.2s Time] [2023-12-20 02:01:11,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63204 states. [2023-12-20 02:01:29,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63204 to 44886. [2023-12-20 02:01:29,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44886 states, 27453 states have (on average 1.2032564747022183) internal successors, (33033), 28681 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) [2023-12-20 02:01:29,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44886 states to 44886 states and 63269 transitions. [2023-12-20 02:01:29,546 INFO L78 Accepts]: Start accepts. Automaton has 44886 states and 63269 transitions. Word has length 968 [2023-12-20 02:01:29,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:01:29,546 INFO L495 AbstractCegarLoop]: Abstraction has 44886 states and 63269 transitions. [2023-12-20 02:01:29,547 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) [2023-12-20 02:01:29,547 INFO L276 IsEmpty]: Start isEmpty. Operand 44886 states and 63269 transitions. [2023-12-20 02:01:29,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 940 [2023-12-20 02:01:29,762 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:01:29,762 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] [2023-12-20 02:01:29,780 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-12-20 02:01:29,976 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 [2023-12-20 02:01:29,977 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 02:01:29,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:01:29,977 INFO L85 PathProgramCache]: Analyzing trace with hash -241484206, now seen corresponding path program 1 times [2023-12-20 02:01:29,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:01:29,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933698493] [2023-12-20 02:01:29,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:01:29,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:01:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-20 02:01:30,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 02:01:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 02:01:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-20 02:01:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-20 02:01:30,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-20 02:01:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-20 02:01:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-20 02:01:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-20 02:01:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-20 02:01:30,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-20 02:01:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-20 02:01:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-20 02:01:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-20 02:01:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-20 02:01:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 02:01:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 02:01:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-20 02:01:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-20 02:01:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-20 02:01:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-20 02:01:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-20 02:01:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-20 02:01:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-20 02:01:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-20 02:01:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-20 02:01:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-20 02:01:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-20 02:01:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-20 02:01:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-20 02:01:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-20 02:01:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-20 02:01:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-20 02:01:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-20 02:01:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-20 02:01:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-20 02:01:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-20 02:01:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-20 02:01:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-20 02:01:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-20 02:01:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-20 02:01:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-20 02:01:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-20 02:01:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-20 02:01:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-20 02:01:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-20 02:01:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-20 02:01:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-20 02:01:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-20 02:01:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-20 02:01:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-20 02:01:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-20 02:01:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-20 02:01:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-20 02:01:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-20 02:01:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-20 02:01:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-20 02:01:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-20 02:01:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-20 02:01:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-20 02:01:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-20 02:01:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-20 02:01:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-20 02:01:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-20 02:01:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-20 02:01:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-20 02:01:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-20 02:01:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-20 02:01:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-20 02:01:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-20 02:01:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-20 02:01:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-20 02:01:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-20 02:01:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:30,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-20 02:01:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-20 02:01:31,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-20 02:01:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-20 02:01:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-20 02:01:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-20 02:01:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-20 02:01:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-20 02:01:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-20 02:01:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-20 02:01:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-20 02:01:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-20 02:01:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-20 02:01:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2023-12-20 02:01:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-20 02:01:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2023-12-20 02:01:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-20 02:01:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2023-12-20 02:01:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2023-12-20 02:01:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 755 [2023-12-20 02:01:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2023-12-20 02:01:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2023-12-20 02:01:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 773 [2023-12-20 02:01:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2023-12-20 02:01:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2023-12-20 02:01:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2023-12-20 02:01:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2023-12-20 02:01:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 803 [2023-12-20 02:01:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2023-12-20 02:01:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2023-12-20 02:01:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2023-12-20 02:01:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-12-20 02:01:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2023-12-20 02:01:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2023-12-20 02:01:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-12-20 02:01:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2023-12-20 02:01:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-12-20 02:01:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-12-20 02:01:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2023-12-20 02:01:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 875 [2023-12-20 02:01:31,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2023-12-20 02:01:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 887 [2023-12-20 02:01:31,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2023-12-20 02:01:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2023-12-20 02:01:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 905 [2023-12-20 02:01:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 911 [2023-12-20 02:01:31,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 917 [2023-12-20 02:01:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 923 [2023-12-20 02:01:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 929 [2023-12-20 02:01:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:01:31,146 INFO L134 CoverageAnalysis]: Checked inductivity of 24662 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 24640 trivial. 0 not checked. [2023-12-20 02:01:31,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:01:31,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933698493] [2023-12-20 02:01:31,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933698493] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:01:31,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:01:31,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 02:01:31,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178591556] [2023-12-20 02:01:31,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:01:31,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 02:01:31,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:01:31,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 02:01:31,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 02:01:31,148 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) [2023-12-20 02:01:35,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 02:01:39,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 02:01:43,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 02:01:47,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 02:02:03,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:02:03,068 INFO L93 Difference]: Finished difference Result 44894 states and 63275 transitions. [2023-12-20 02:02:03,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 02:02:03,069 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 939 [2023-12-20 02:02:03,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:02:03,216 INFO L225 Difference]: With dead ends: 44894 [2023-12-20 02:02:03,216 INFO L226 Difference]: Without dead ends: 44892 [2023-12-20 02:02:03,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-20 02:02:03,236 INFO L413 NwaCegarLoop]: 1839 mSDtfsCounter, 1444 mSDsluCounter, 6124 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1444 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, 16.3s IncrementalHoareTripleChecker+Time [2023-12-20 02:02:03,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1444 Valid, 7963 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 296 Invalid, 4 Unknown, 0 Unchecked, 16.3s Time] [2023-12-20 02:02:03,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44892 states. Received shutdown request... [2023-12-20 02:02:09,436 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-20 02:02:10,641 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-20 02:02:10,692 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown