/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_ctm.3-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 01:46:33,494 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 01:46:33,555 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 01:46:33,558 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 01:46:33,558 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 01:46:33,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 01:46:33,579 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 01:46:33,580 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 01:46:33,580 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 01:46:33,583 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 01:46:33,583 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 01:46:33,584 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 01:46:33,584 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 01:46:33,585 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 01:46:33,585 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 01:46:33,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 01:46:33,586 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 01:46:33,586 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 01:46:33,586 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 01:46:33,586 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 01:46:33,587 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 01:46:33,587 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 01:46:33,587 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 01:46:33,588 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 01:46:33,588 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 01:46:33,588 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 01:46:33,588 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 01:46:33,588 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 01:46:33,589 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 01:46:33,589 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 01:46:33,589 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 01:46:33,590 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 01:46:33,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 01:46:33,590 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 01:46:33,590 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 01:46:33,590 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 01:46:33,590 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 01:46:33,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 01:46:33,590 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 01:46:33,591 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 01:46:33,591 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 01:46:33,591 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 01:46:33,591 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 01:46:33,591 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-20 01:46:33,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 01:46:33,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 01:46:33,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 01:46:33,805 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 01:46:33,805 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 01:46:33,806 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_ctm.3-1.c [2023-12-20 01:46:34,781 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 01:46:35,169 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 01:46:35,169 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_ctm.3-1.c [2023-12-20 01:46:35,203 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21d052435/7d540e9f93d645c299af8292439fa0e6/FLAG3c63f5319 [2023-12-20 01:46:35,214 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21d052435/7d540e9f93d645c299af8292439fa0e6 [2023-12-20 01:46:35,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 01:46:35,217 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 01:46:35,218 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 01:46:35,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 01:46:35,222 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 01:46:35,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 01:46:35" (1/1) ... [2023-12-20 01:46:35,223 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b5b7ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:46:35, skipping insertion in model container [2023-12-20 01:46:35,223 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 01:46:35" (1/1) ... [2023-12-20 01:46:35,318 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 01:46:35,571 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_ctm.3-1.c[2266,2279] [2023-12-20 01:46:36,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 01:46:36,422 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 01:46:36,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/ctm.ok3.i","-S") [51] [2023-12-20 01:46:36,440 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_ctm.3-1.c[2266,2279] [2023-12-20 01:46:36,895 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 01:46:36,925 INFO L206 MainTranslator]: Completed translation [2023-12-20 01:46:36,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:46:36 WrapperNode [2023-12-20 01:46:36,925 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 01:46:36,927 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 01:46:36,927 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 01:46:36,927 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 01:46:36,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:46:36" (1/1) ... [2023-12-20 01:46:37,175 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:46:36" (1/1) ... [2023-12-20 01:46:37,966 INFO L138 Inliner]: procedures = 101, calls = 11881, calls flagged for inlining = 38, calls inlined = 38, statements flattened = 40295 [2023-12-20 01:46:37,967 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 01:46:37,967 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 01:46:37,967 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 01:46:37,967 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 01:46:37,976 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:46:36" (1/1) ... [2023-12-20 01:46:37,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:46:36" (1/1) ... [2023-12-20 01:46:38,284 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:46:36" (1/1) ... [2023-12-20 01:46:38,492 INFO L175 MemorySlicer]: Split 11460 memory accesses to 57 slices as follows [2, 25, 25, 25, 13, 769, 1081, 925, 985, 1045, 841, 642, 462, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124, 86, 124]. 9 percent of accesses are in the largest equivalence class. The 56 initializations are split as follows [2, 12, 12, 12, 6, 0, 0, 0, 0, 0, 0, 6, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 1986 writes are split as follows [0, 1, 1, 1, 1, 13, 13, 13, 13, 13, 13, 6, 6, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42, 44, 42]. [2023-12-20 01:46:38,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:46:36" (1/1) ... [2023-12-20 01:46:38,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:46:36" (1/1) ... [2023-12-20 01:46:39,121 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:46:36" (1/1) ... [2023-12-20 01:46:39,176 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:46:36" (1/1) ... [2023-12-20 01:46:39,269 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:46:36" (1/1) ... [2023-12-20 01:46:39,326 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:46:36" (1/1) ... [2023-12-20 01:46:39,477 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 01:46:39,478 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 01:46:39,478 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 01:46:39,478 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 01:46:39,479 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:46:36" (1/1) ... [2023-12-20 01:46:39,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 01:46:39,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 01:46:39,499 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 01:46:39,500 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 01:46:39,517 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2023-12-20 01:46:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2023-12-20 01:46:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2023-12-20 01:46:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2023-12-20 01:46:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-20 01:46:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-20 01:46:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-12-20 01:46:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-12-20 01:46:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-12-20 01:46:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-12-20 01:46:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-12-20 01:46:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-12-20 01:46:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-12-20 01:46:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-12-20 01:46:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-12-20 01:46:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-12-20 01:46:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-12-20 01:46:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-12-20 01:46:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-12-20 01:46:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-12-20 01:46:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-12-20 01:46:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-12-20 01:46:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-12-20 01:46:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-12-20 01:46:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-12-20 01:46:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-12-20 01:46:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-12-20 01:46:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-12-20 01:46:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-12-20 01:46:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-12-20 01:46:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-12-20 01:46:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-12-20 01:46:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2023-12-20 01:46:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2023-12-20 01:46:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2023-12-20 01:46:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2023-12-20 01:46:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2023-12-20 01:46:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2023-12-20 01:46:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2023-12-20 01:46:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#35 [2023-12-20 01:46:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#36 [2023-12-20 01:46:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#37 [2023-12-20 01:46:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#38 [2023-12-20 01:46:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#39 [2023-12-20 01:46:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#40 [2023-12-20 01:46:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#41 [2023-12-20 01:46:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#42 [2023-12-20 01:46:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#43 [2023-12-20 01:46:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#44 [2023-12-20 01:46:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#45 [2023-12-20 01:46:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#46 [2023-12-20 01:46:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#47 [2023-12-20 01:46:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#48 [2023-12-20 01:46:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#49 [2023-12-20 01:46:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#50 [2023-12-20 01:46:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#51 [2023-12-20 01:46:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#52 [2023-12-20 01:46:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#53 [2023-12-20 01:46:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#54 [2023-12-20 01:46:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#55 [2023-12-20 01:46:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#56 [2023-12-20 01:46:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2023-12-20 01:46:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2023-12-20 01:46:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-12-20 01:46:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-12-20 01:46:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2023-12-20 01:46:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2023-12-20 01:46:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2023-12-20 01:46:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2023-12-20 01:46:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2023-12-20 01:46:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2023-12-20 01:46:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2023-12-20 01:46:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2023-12-20 01:46:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2023-12-20 01:46:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2023-12-20 01:46:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-20 01:46:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-20 01:46:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-12-20 01:46:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-12-20 01:46:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-12-20 01:46:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-12-20 01:46:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-12-20 01:46:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-12-20 01:46:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-12-20 01:46:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-12-20 01:46:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-12-20 01:46:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-12-20 01:46:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-12-20 01:46:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-12-20 01:46:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-12-20 01:46:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-12-20 01:46:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-12-20 01:46:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-12-20 01:46:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-12-20 01:46:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-12-20 01:46:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-12-20 01:46:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-12-20 01:46:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-12-20 01:46:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-12-20 01:46:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-12-20 01:46:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-12-20 01:46:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-12-20 01:46:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-12-20 01:46:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2023-12-20 01:46:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2023-12-20 01:46:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2023-12-20 01:46:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2023-12-20 01:46:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2023-12-20 01:46:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2023-12-20 01:46:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2023-12-20 01:46:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#35 [2023-12-20 01:46:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#36 [2023-12-20 01:46:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#37 [2023-12-20 01:46:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#38 [2023-12-20 01:46:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#39 [2023-12-20 01:46:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#40 [2023-12-20 01:46:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#41 [2023-12-20 01:46:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#42 [2023-12-20 01:46:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#43 [2023-12-20 01:46:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#44 [2023-12-20 01:46:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#45 [2023-12-20 01:46:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#46 [2023-12-20 01:46:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#47 [2023-12-20 01:46:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#48 [2023-12-20 01:46:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#49 [2023-12-20 01:46:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#50 [2023-12-20 01:46:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#51 [2023-12-20 01:46:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#52 [2023-12-20 01:46:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#53 [2023-12-20 01:46:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#54 [2023-12-20 01:46:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#55 [2023-12-20 01:46:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#56 [2023-12-20 01:46:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-12-20 01:46:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-12-20 01:46:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2023-12-20 01:46:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2023-12-20 01:46:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2023-12-20 01:46:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2023-12-20 01:46:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2023-12-20 01:46:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2023-12-20 01:46:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2023-12-20 01:46:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2023-12-20 01:46:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2023-12-20 01:46:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2023-12-20 01:46:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-12-20 01:46:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-12-20 01:46:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 01:46:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-12-20 01:46:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-12-20 01:46:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2023-12-20 01:46:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2023-12-20 01:46:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2023-12-20 01:46:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2023-12-20 01:46:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2023-12-20 01:46:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2023-12-20 01:46:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-12-20 01:46:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-12-20 01:46:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2023-12-20 01:46:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2023-12-20 01:46:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-12-20 01:46:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-12-20 01:46:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2023-12-20 01:46:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2023-12-20 01:46:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2023-12-20 01:46:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2023-12-20 01:46:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2023-12-20 01:46:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2023-12-20 01:46:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2023-12-20 01:46:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2023-12-20 01:46:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2023-12-20 01:46:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2023-12-20 01:46:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2023-12-20 01:46:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2023-12-20 01:46:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2023-12-20 01:46:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2023-12-20 01:46:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2023-12-20 01:46:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2023-12-20 01:46:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2023-12-20 01:46:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2023-12-20 01:46:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2023-12-20 01:46:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2023-12-20 01:46:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2023-12-20 01:46:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2023-12-20 01:46:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2023-12-20 01:46:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2023-12-20 01:46:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2023-12-20 01:46:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2023-12-20 01:46:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2023-12-20 01:46:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2023-12-20 01:46:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2023-12-20 01:46:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2023-12-20 01:46:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2023-12-20 01:46:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2023-12-20 01:46:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2023-12-20 01:46:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2023-12-20 01:46:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2023-12-20 01:46:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2023-12-20 01:46:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2023-12-20 01:46:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2023-12-20 01:46:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 01:46:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-20 01:46:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-20 01:46:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-20 01:46:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-12-20 01:46:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-12-20 01:46:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-12-20 01:46:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-12-20 01:46:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-12-20 01:46:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-12-20 01:46:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-12-20 01:46:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-12-20 01:46:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-12-20 01:46:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-12-20 01:46:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-12-20 01:46:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-12-20 01:46:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-12-20 01:46:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-12-20 01:46:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-12-20 01:46:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-12-20 01:46:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-12-20 01:46:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-12-20 01:46:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-12-20 01:46:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-12-20 01:46:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-12-20 01:46:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-12-20 01:46:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-12-20 01:46:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-12-20 01:46:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2023-12-20 01:46:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2023-12-20 01:46:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2023-12-20 01:46:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2023-12-20 01:46:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2023-12-20 01:46:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2023-12-20 01:46:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2023-12-20 01:46:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#35 [2023-12-20 01:46:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#36 [2023-12-20 01:46:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#37 [2023-12-20 01:46:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#38 [2023-12-20 01:46:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#39 [2023-12-20 01:46:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#40 [2023-12-20 01:46:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#41 [2023-12-20 01:46:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#42 [2023-12-20 01:46:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#43 [2023-12-20 01:46:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#44 [2023-12-20 01:46:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#45 [2023-12-20 01:46:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#46 [2023-12-20 01:46:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#47 [2023-12-20 01:46:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#48 [2023-12-20 01:46:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#49 [2023-12-20 01:46:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#50 [2023-12-20 01:46:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#51 [2023-12-20 01:46:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#52 [2023-12-20 01:46:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#53 [2023-12-20 01:46:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#54 [2023-12-20 01:46:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#55 [2023-12-20 01:46:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#56 [2023-12-20 01:46:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2023-12-20 01:46:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2023-12-20 01:46:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 01:46:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 01:46:40,973 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 01:46:40,976 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 01:46:58,292 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 01:46:58,792 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 01:46:58,793 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-20 01:46:58,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 01:46:58 BoogieIcfgContainer [2023-12-20 01:46:58,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 01:46:58,794 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 01:46:58,794 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 01:46:58,797 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 01:46:58,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 01:46:35" (1/3) ... [2023-12-20 01:46:58,797 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54248dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 01:46:58, skipping insertion in model container [2023-12-20 01:46:58,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:46:36" (2/3) ... [2023-12-20 01:46:58,797 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54248dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 01:46:58, skipping insertion in model container [2023-12-20 01:46:58,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 01:46:58" (3/3) ... [2023-12-20 01:46:58,798 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_ctm.3-1.c [2023-12-20 01:46:58,810 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 01:46:58,810 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-20 01:46:58,914 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 01:46:58,919 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;@5f714dc2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 01:46:58,919 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-20 01:46:58,955 INFO L276 IsEmpty]: Start isEmpty. Operand has 8384 states, 7969 states have (on average 1.575479984941649) internal successors, (12555), 7993 states have internal predecessors, (12555), 370 states have call successors, (370), 43 states have call predecessors, (370), 43 states have return successors, (370), 360 states have call predecessors, (370), 370 states have call successors, (370) [2023-12-20 01:46:59,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3342 [2023-12-20 01:46:59,150 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:46:59,153 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 01:46:59,154 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:46:59,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:46:59,160 INFO L85 PathProgramCache]: Analyzing trace with hash -351360329, now seen corresponding path program 1 times [2023-12-20 01:46:59,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:46:59,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373142147] [2023-12-20 01:46:59,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:46:59,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:47:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:30,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 01:47:30,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:47:30,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373142147] [2023-12-20 01:47:30,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373142147] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:47:30,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:47:30,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 01:47:30,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225629095] [2023-12-20 01:47:30,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:47:30,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-20 01:47:30,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:47:30,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-20 01:47:30,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 01:47:30,624 INFO L87 Difference]: Start difference. First operand has 8384 states, 7969 states have (on average 1.575479984941649) internal successors, (12555), 7993 states have internal predecessors, (12555), 370 states have call successors, (370), 43 states have call predecessors, (370), 43 states have return successors, (370), 360 states have call predecessors, (370), 370 states have call successors, (370) Second operand has 2 states, 2 states have (on average 1670.0) internal successors, (3340), 2 states have internal predecessors, (3340), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 01:47:34,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:47:35,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:47:35,202 INFO L93 Difference]: Finished difference Result 16762 states and 26905 transitions. [2023-12-20 01:47:35,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-20 01:47:35,205 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 1670.0) internal successors, (3340), 2 states have internal predecessors, (3340), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3341 [2023-12-20 01:47:35,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:47:35,246 INFO L225 Difference]: With dead ends: 16762 [2023-12-20 01:47:35,246 INFO L226 Difference]: Without dead ends: 8372 [2023-12-20 01:47:35,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 01:47:35,278 INFO L413 NwaCegarLoop]: 10289 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10289 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-12-20 01:47:35,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10289 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2023-12-20 01:47:35,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8372 states. [2023-12-20 01:47:35,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8372 to 8372. [2023-12-20 01:47:35,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8372 states, 7958 states have (on average 1.206333249560191) internal successors, (9600), 7982 states have internal predecessors, (9600), 370 states have call successors, (370), 43 states have call predecessors, (370), 43 states have return successors, (369), 359 states have call predecessors, (369), 369 states have call successors, (369) [2023-12-20 01:47:35,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8372 states to 8372 states and 10339 transitions. [2023-12-20 01:47:35,497 INFO L78 Accepts]: Start accepts. Automaton has 8372 states and 10339 transitions. Word has length 3341 [2023-12-20 01:47:35,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:47:35,498 INFO L495 AbstractCegarLoop]: Abstraction has 8372 states and 10339 transitions. [2023-12-20 01:47:35,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1670.0) internal successors, (3340), 2 states have internal predecessors, (3340), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 01:47:35,504 INFO L276 IsEmpty]: Start isEmpty. Operand 8372 states and 10339 transitions. [2023-12-20 01:47:35,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3342 [2023-12-20 01:47:35,653 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:47:35,654 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 01:47:35,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-20 01:47:35,655 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:47:35,655 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:47:35,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1185965883, now seen corresponding path program 1 times [2023-12-20 01:47:35,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:47:35,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431134886] [2023-12-20 01:47:35,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:47:35,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:48:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:15,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 01:48:15,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:48:15,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431134886] [2023-12-20 01:48:15,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431134886] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:48:15,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:48:15,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-20 01:48:15,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121516585] [2023-12-20 01:48:15,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:48:15,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 01:48:15,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:48:15,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 01:48:15,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 01:48:15,502 INFO L87 Difference]: Start difference. First operand 8372 states and 10339 transitions. Second operand has 6 states, 5 states have (on average 668.0) internal successors, (3340), 4 states have internal predecessors, (3340), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 01:48:20,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:48:24,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:48:28,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:48:32,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:48:33,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:48:33,346 INFO L93 Difference]: Finished difference Result 10896 states and 13201 transitions. [2023-12-20 01:48:33,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 01:48:33,347 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 668.0) internal successors, (3340), 4 states have internal predecessors, (3340), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3341 [2023-12-20 01:48:33,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:48:33,395 INFO L225 Difference]: With dead ends: 10896 [2023-12-20 01:48:33,395 INFO L226 Difference]: Without dead ends: 10894 [2023-12-20 01:48:33,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-20 01:48:33,404 INFO L413 NwaCegarLoop]: 10345 mSDtfsCounter, 7008 mSDsluCounter, 33790 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7008 SdHoareTripleChecker+Valid, 44135 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2023-12-20 01:48:33,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7008 Valid, 44135 Invalid, 386 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 379 Invalid, 4 Unknown, 0 Unchecked, 17.3s Time] [2023-12-20 01:48:33,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10894 states. [2023-12-20 01:48:33,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10894 to 10892. [2023-12-20 01:48:33,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10892 states, 10278 states have (on average 1.1774664331582019) internal successors, (12102), 10312 states have internal predecessors, (12102), 543 states have call successors, (543), 70 states have call predecessors, (543), 70 states have return successors, (553), 528 states have call predecessors, (553), 541 states have call successors, (553) [2023-12-20 01:48:33,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10892 states to 10892 states and 13198 transitions. [2023-12-20 01:48:33,675 INFO L78 Accepts]: Start accepts. Automaton has 10892 states and 13198 transitions. Word has length 3341 [2023-12-20 01:48:33,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:48:33,680 INFO L495 AbstractCegarLoop]: Abstraction has 10892 states and 13198 transitions. [2023-12-20 01:48:33,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 668.0) internal successors, (3340), 4 states have internal predecessors, (3340), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 01:48:33,682 INFO L276 IsEmpty]: Start isEmpty. Operand 10892 states and 13198 transitions. [2023-12-20 01:48:33,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3348 [2023-12-20 01:48:33,866 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:48:33,867 INFO L195 NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 01:48:33,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-20 01:48:33,868 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:48:33,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:48:33,869 INFO L85 PathProgramCache]: Analyzing trace with hash -585598439, now seen corresponding path program 1 times [2023-12-20 01:48:33,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:48:33,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581866756] [2023-12-20 01:48:33,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:48:33,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:49:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:10,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3337 [2023-12-20 01:49:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:49:10,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 01:49:10,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:49:10,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581866756] [2023-12-20 01:49:10,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581866756] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:49:10,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:49:10,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 01:49:10,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214885260] [2023-12-20 01:49:10,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:49:10,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 01:49:10,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:49:10,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 01:49:10,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 01:49:10,150 INFO L87 Difference]: Start difference. First operand 10892 states and 13198 transitions. Second operand has 6 states, 5 states have (on average 668.8) internal successors, (3344), 5 states have internal predecessors, (3344), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-20 01:49:14,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:49:18,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:49:22,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:49:26,853 WARN L539 Checker$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 01:49:27,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:49:27,413 INFO L93 Difference]: Finished difference Result 10900 states and 13204 transitions. [2023-12-20 01:49:27,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 01:49:27,415 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 668.8) internal successors, (3344), 5 states have internal predecessors, (3344), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 3347 [2023-12-20 01:49:27,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:49:27,455 INFO L225 Difference]: With dead ends: 10900 [2023-12-20 01:49:27,455 INFO L226 Difference]: Without dead ends: 10898 [2023-12-20 01:49:27,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 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 01:49:27,461 INFO L413 NwaCegarLoop]: 10348 mSDtfsCounter, 7003 mSDsluCounter, 33793 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7003 SdHoareTripleChecker+Valid, 44141 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2023-12-20 01:49:27,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7003 Valid, 44141 Invalid, 386 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 379 Invalid, 4 Unknown, 0 Unchecked, 17.0s Time] [2023-12-20 01:49:27,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10898 states. [2023-12-20 01:49:27,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10898 to 10896. [2023-12-20 01:49:27,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10896 states, 10281 states have (on average 1.1774146483805077) internal successors, (12105), 10315 states have internal predecessors, (12105), 543 states have call successors, (543), 71 states have call predecessors, (543), 71 states have return successors, (553), 528 states have call predecessors, (553), 541 states have call successors, (553) [2023-12-20 01:49:27,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10896 states to 10896 states and 13201 transitions. [2023-12-20 01:49:27,643 INFO L78 Accepts]: Start accepts. Automaton has 10896 states and 13201 transitions. Word has length 3347 [2023-12-20 01:49:27,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:49:27,646 INFO L495 AbstractCegarLoop]: Abstraction has 10896 states and 13201 transitions. [2023-12-20 01:49:27,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 668.8) internal successors, (3344), 5 states have internal predecessors, (3344), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-20 01:49:27,647 INFO L276 IsEmpty]: Start isEmpty. Operand 10896 states and 13201 transitions. [2023-12-20 01:49:27,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3354 [2023-12-20 01:49:27,719 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:49:27,720 INFO L195 NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 01:49:27,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-20 01:49:27,720 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:49:27,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:49:27,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1006185109, now seen corresponding path program 1 times [2023-12-20 01:49:27,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:49:27,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039820463] [2023-12-20 01:49:27,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:49:27,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:50:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:06,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3337 [2023-12-20 01:50:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:06,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3343 [2023-12-20 01:50:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:50:06,903 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-20 01:50:06,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:50:06,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039820463] [2023-12-20 01:50:06,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039820463] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:50:06,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:50:06,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 01:50:06,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829604826] [2023-12-20 01:50:06,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:50:06,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 01:50:06,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:50:06,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 01:50:06,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 01:50:06,909 INFO L87 Difference]: Start difference. First operand 10896 states and 13201 transitions. Second operand has 6 states, 5 states have (on average 669.0) internal successors, (3345), 5 states have internal predecessors, (3345), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-20 01:50:11,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:50:15,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:50:19,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:50:23,703 WARN L539 Checker$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 01:50:24,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:50:24,539 INFO L93 Difference]: Finished difference Result 10904 states and 13207 transitions. [2023-12-20 01:50:24,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 01:50:24,540 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 669.0) internal successors, (3345), 5 states have internal predecessors, (3345), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 3353 [2023-12-20 01:50:24,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:50:24,568 INFO L225 Difference]: With dead ends: 10904 [2023-12-20 01:50:24,568 INFO L226 Difference]: Without dead ends: 10902 [2023-12-20 01:50:24,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 01:50:24,573 INFO L413 NwaCegarLoop]: 10348 mSDtfsCounter, 7001 mSDsluCounter, 33793 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7001 SdHoareTripleChecker+Valid, 44141 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2023-12-20 01:50:24,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7001 Valid, 44141 Invalid, 386 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 379 Invalid, 4 Unknown, 0 Unchecked, 17.3s Time] [2023-12-20 01:50:24,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10902 states. [2023-12-20 01:50:24,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10902 to 10900. [2023-12-20 01:50:24,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10900 states, 10284 states have (on average 1.177362893815636) internal successors, (12108), 10318 states have internal predecessors, (12108), 543 states have call successors, (543), 72 states have call predecessors, (543), 72 states have return successors, (553), 528 states have call predecessors, (553), 541 states have call successors, (553) [2023-12-20 01:50:24,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10900 states to 10900 states and 13204 transitions. [2023-12-20 01:50:24,770 INFO L78 Accepts]: Start accepts. Automaton has 10900 states and 13204 transitions. Word has length 3353 [2023-12-20 01:50:24,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:50:24,772 INFO L495 AbstractCegarLoop]: Abstraction has 10900 states and 13204 transitions. [2023-12-20 01:50:24,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 669.0) internal successors, (3345), 5 states have internal predecessors, (3345), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-20 01:50:24,773 INFO L276 IsEmpty]: Start isEmpty. Operand 10900 states and 13204 transitions. [2023-12-20 01:50:24,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3360 [2023-12-20 01:50:24,844 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:50:24,846 INFO L195 NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 01:50:24,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-20 01:50:24,846 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:50:24,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:50:24,847 INFO L85 PathProgramCache]: Analyzing trace with hash 214611003, now seen corresponding path program 1 times [2023-12-20 01:50:24,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:50:24,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117771482] [2023-12-20 01:50:24,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:50:24,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:50:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:51:02,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3337 [2023-12-20 01:51:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:51:02,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3343 [2023-12-20 01:51:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:51:02,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3349 [2023-12-20 01:51:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:51:02,969 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-20 01:51:02,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:51:02,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117771482] [2023-12-20 01:51:02,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117771482] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:51:02,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:51:02,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 01:51:02,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443545709] [2023-12-20 01:51:02,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:51:02,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 01:51:02,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:51:03,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 01:51:03,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 01:51:03,000 INFO L87 Difference]: Start difference. First operand 10900 states and 13204 transitions. Second operand has 6 states, 5 states have (on average 669.2) internal successors, (3346), 5 states have internal predecessors, (3346), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-12-20 01:51:07,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:51:11,313 WARN L539 Checker$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 01:51:15,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:51:19,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:51:20,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:51:20,454 INFO L93 Difference]: Finished difference Result 10908 states and 13210 transitions. [2023-12-20 01:51:20,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 01:51:20,455 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 669.2) internal successors, (3346), 5 states have internal predecessors, (3346), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 3359 [2023-12-20 01:51:20,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:51:20,478 INFO L225 Difference]: With dead ends: 10908 [2023-12-20 01:51:20,478 INFO L226 Difference]: Without dead ends: 10906 [2023-12-20 01:51:20,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 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 01:51:20,480 INFO L413 NwaCegarLoop]: 10348 mSDtfsCounter, 6999 mSDsluCounter, 33793 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6999 SdHoareTripleChecker+Valid, 44141 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2023-12-20 01:51:20,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6999 Valid, 44141 Invalid, 386 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 379 Invalid, 4 Unknown, 0 Unchecked, 17.2s Time] [2023-12-20 01:51:20,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10906 states. [2023-12-20 01:51:20,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10906 to 10904. [2023-12-20 01:51:20,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10904 states, 10287 states have (on average 1.1773111694371536) internal successors, (12111), 10321 states have internal predecessors, (12111), 543 states have call successors, (543), 73 states have call predecessors, (543), 73 states have return successors, (553), 528 states have call predecessors, (553), 541 states have call successors, (553) [2023-12-20 01:51:20,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10904 states to 10904 states and 13207 transitions. [2023-12-20 01:51:20,634 INFO L78 Accepts]: Start accepts. Automaton has 10904 states and 13207 transitions. Word has length 3359 [2023-12-20 01:51:20,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:51:20,636 INFO L495 AbstractCegarLoop]: Abstraction has 10904 states and 13207 transitions. [2023-12-20 01:51:20,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 669.2) internal successors, (3346), 5 states have internal predecessors, (3346), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-12-20 01:51:20,636 INFO L276 IsEmpty]: Start isEmpty. Operand 10904 states and 13207 transitions. [2023-12-20 01:51:20,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3366 [2023-12-20 01:51:20,747 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:51:20,749 INFO L195 NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 01:51:20,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-20 01:51:20,749 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:51:20,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:51:20,750 INFO L85 PathProgramCache]: Analyzing trace with hash 491192329, now seen corresponding path program 1 times [2023-12-20 01:51:20,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:51:20,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132989442] [2023-12-20 01:51:20,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:51:20,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:51:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:51:58,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3337 [2023-12-20 01:51:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:51:58,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3343 [2023-12-20 01:51:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:51:58,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3349 [2023-12-20 01:51:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:51:58,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3355 [2023-12-20 01:51:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:51:58,280 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-20 01:51:58,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:51:58,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132989442] [2023-12-20 01:51:58,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132989442] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:51:58,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:51:58,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 01:51:58,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796565378] [2023-12-20 01:51:58,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:51:58,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 01:51:58,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:51:58,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 01:51:58,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 01:51:58,302 INFO L87 Difference]: Start difference. First operand 10904 states and 13207 transitions. Second operand has 6 states, 5 states have (on average 669.4) internal successors, (3347), 5 states have internal predecessors, (3347), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-12-20 01:52:02,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:52:06,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:52:10,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:52:15,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:52:15,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:52:15,841 INFO L93 Difference]: Finished difference Result 10912 states and 13213 transitions. [2023-12-20 01:52:15,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 01:52:15,842 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 669.4) internal successors, (3347), 5 states have internal predecessors, (3347), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 3365 [2023-12-20 01:52:15,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:52:15,863 INFO L225 Difference]: With dead ends: 10912 [2023-12-20 01:52:15,863 INFO L226 Difference]: Without dead ends: 10910 [2023-12-20 01:52:15,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-20 01:52:15,866 INFO L413 NwaCegarLoop]: 10348 mSDtfsCounter, 6997 mSDsluCounter, 33793 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6997 SdHoareTripleChecker+Valid, 44141 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2023-12-20 01:52:15,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6997 Valid, 44141 Invalid, 386 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 379 Invalid, 4 Unknown, 0 Unchecked, 17.3s Time] [2023-12-20 01:52:15,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10910 states. [2023-12-20 01:52:16,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10910 to 10908. [2023-12-20 01:52:16,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10908 states, 10290 states have (on average 1.177259475218659) internal successors, (12114), 10324 states have internal predecessors, (12114), 543 states have call successors, (543), 74 states have call predecessors, (543), 74 states have return successors, (553), 528 states have call predecessors, (553), 541 states have call successors, (553) [2023-12-20 01:52:16,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10908 states to 10908 states and 13210 transitions. [2023-12-20 01:52:16,071 INFO L78 Accepts]: Start accepts. Automaton has 10908 states and 13210 transitions. Word has length 3365 [2023-12-20 01:52:16,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:52:16,073 INFO L495 AbstractCegarLoop]: Abstraction has 10908 states and 13210 transitions. [2023-12-20 01:52:16,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 669.4) internal successors, (3347), 5 states have internal predecessors, (3347), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-12-20 01:52:16,073 INFO L276 IsEmpty]: Start isEmpty. Operand 10908 states and 13210 transitions. [2023-12-20 01:52:16,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3372 [2023-12-20 01:52:16,178 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:52:16,179 INFO L195 NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 01:52:16,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-20 01:52:16,180 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:52:16,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:52:16,180 INFO L85 PathProgramCache]: Analyzing trace with hash -387349931, now seen corresponding path program 1 times [2023-12-20 01:52:16,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:52:16,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568763270] [2023-12-20 01:52:16,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:52:16,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:52:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:53,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3337 [2023-12-20 01:52:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:53,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3343 [2023-12-20 01:52:53,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:53,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3349 [2023-12-20 01:52:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:53,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3355 [2023-12-20 01:52:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:53,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3361 [2023-12-20 01:52:53,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:52:53,764 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-20 01:52:53,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:52:53,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568763270] [2023-12-20 01:52:53,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568763270] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:52:53,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:52:53,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 01:52:53,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987024170] [2023-12-20 01:52:53,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:52:53,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 01:52:53,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:52:53,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 01:52:53,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 01:52:53,772 INFO L87 Difference]: Start difference. First operand 10908 states and 13210 transitions. Second operand has 6 states, 5 states have (on average 669.6) internal successors, (3348), 5 states have internal predecessors, (3348), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-12-20 01:52:57,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:53:02,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:53:06,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:53:10,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:53:11,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:53:11,856 INFO L93 Difference]: Finished difference Result 10916 states and 13216 transitions. [2023-12-20 01:53:11,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 01:53:11,858 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 669.6) internal successors, (3348), 5 states have internal predecessors, (3348), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 3371 [2023-12-20 01:53:11,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:53:11,884 INFO L225 Difference]: With dead ends: 10916 [2023-12-20 01:53:11,884 INFO L226 Difference]: Without dead ends: 10914 [2023-12-20 01:53:11,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-20 01:53:11,889 INFO L413 NwaCegarLoop]: 10348 mSDtfsCounter, 6995 mSDsluCounter, 33793 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6995 SdHoareTripleChecker+Valid, 44141 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2023-12-20 01:53:11,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6995 Valid, 44141 Invalid, 386 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 379 Invalid, 4 Unknown, 0 Unchecked, 17.8s Time] [2023-12-20 01:53:11,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10914 states. [2023-12-20 01:53:12,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10914 to 10912. [2023-12-20 01:53:12,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10912 states, 10293 states have (on average 1.1772078111337803) internal successors, (12117), 10327 states have internal predecessors, (12117), 543 states have call successors, (543), 75 states have call predecessors, (543), 75 states have return successors, (553), 528 states have call predecessors, (553), 541 states have call successors, (553) [2023-12-20 01:53:12,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10912 states to 10912 states and 13213 transitions. [2023-12-20 01:53:12,079 INFO L78 Accepts]: Start accepts. Automaton has 10912 states and 13213 transitions. Word has length 3371 [2023-12-20 01:53:12,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:53:12,081 INFO L495 AbstractCegarLoop]: Abstraction has 10912 states and 13213 transitions. [2023-12-20 01:53:12,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 669.6) internal successors, (3348), 5 states have internal predecessors, (3348), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-12-20 01:53:12,082 INFO L276 IsEmpty]: Start isEmpty. Operand 10912 states and 13213 transitions. [2023-12-20 01:53:12,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3378 [2023-12-20 01:53:12,151 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:53:12,152 INFO L195 NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 01:53:12,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-20 01:53:12,152 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:53:12,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:53:12,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1794972513, now seen corresponding path program 1 times [2023-12-20 01:53:12,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:53:12,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583682933] [2023-12-20 01:53:12,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:53:12,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:53:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:53:49,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3337 [2023-12-20 01:53:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:53:49,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3343 [2023-12-20 01:53:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:53:49,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3349 [2023-12-20 01:53:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:53:49,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3355 [2023-12-20 01:53:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:53:49,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3361 [2023-12-20 01:53:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:53:49,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3367 [2023-12-20 01:53:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:53:49,707 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-20 01:53:49,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:53:49,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583682933] [2023-12-20 01:53:49,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583682933] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:53:49,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:53:49,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 01:53:49,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623818441] [2023-12-20 01:53:49,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:53:49,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 01:53:49,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:53:49,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 01:53:49,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 01:53:49,713 INFO L87 Difference]: Start difference. First operand 10912 states and 13213 transitions. Second operand has 6 states, 5 states have (on average 669.8) internal successors, (3349), 5 states have internal predecessors, (3349), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-12-20 01:53:53,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:53:58,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:54:02,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:54:06,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:54:07,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:54:07,203 INFO L93 Difference]: Finished difference Result 10920 states and 13219 transitions. [2023-12-20 01:54:07,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 01:54:07,204 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 669.8) internal successors, (3349), 5 states have internal predecessors, (3349), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 3377 [2023-12-20 01:54:07,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:54:07,226 INFO L225 Difference]: With dead ends: 10920 [2023-12-20 01:54:07,226 INFO L226 Difference]: Without dead ends: 10918 [2023-12-20 01:54:07,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-20 01:54:07,231 INFO L413 NwaCegarLoop]: 10348 mSDtfsCounter, 6993 mSDsluCounter, 33793 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6993 SdHoareTripleChecker+Valid, 44141 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2023-12-20 01:54:07,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6993 Valid, 44141 Invalid, 386 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 379 Invalid, 4 Unknown, 0 Unchecked, 17.2s Time] [2023-12-20 01:54:07,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10918 states. [2023-12-20 01:54:07,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10918 to 10916. [2023-12-20 01:54:07,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10916 states, 10296 states have (on average 1.1771561771561772) internal successors, (12120), 10330 states have internal predecessors, (12120), 543 states have call successors, (543), 76 states have call predecessors, (543), 76 states have return successors, (553), 528 states have call predecessors, (553), 541 states have call successors, (553) [2023-12-20 01:54:07,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10916 states to 10916 states and 13216 transitions. [2023-12-20 01:54:07,410 INFO L78 Accepts]: Start accepts. Automaton has 10916 states and 13216 transitions. Word has length 3377 [2023-12-20 01:54:07,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:54:07,411 INFO L495 AbstractCegarLoop]: Abstraction has 10916 states and 13216 transitions. [2023-12-20 01:54:07,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 669.8) internal successors, (3349), 5 states have internal predecessors, (3349), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-12-20 01:54:07,412 INFO L276 IsEmpty]: Start isEmpty. Operand 10916 states and 13216 transitions. [2023-12-20 01:54:07,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3384 [2023-12-20 01:54:07,480 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:54:07,481 INFO L195 NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 01:54:07,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-20 01:54:07,482 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:54:07,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:54:07,483 INFO L85 PathProgramCache]: Analyzing trace with hash 2065608807, now seen corresponding path program 1 times [2023-12-20 01:54:07,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:54:07,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412616067] [2023-12-20 01:54:07,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:54:07,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:54:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:54:45,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3337 [2023-12-20 01:54:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:54:45,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3343 [2023-12-20 01:54:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:54:45,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3349 [2023-12-20 01:54:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:54:45,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3355 [2023-12-20 01:54:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:54:45,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3361 [2023-12-20 01:54:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:54:45,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3367 [2023-12-20 01:54:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:54:45,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3373 [2023-12-20 01:54:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:54:45,870 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-20 01:54:45,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:54:45,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412616067] [2023-12-20 01:54:45,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412616067] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:54:45,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:54:45,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 01:54:45,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552261589] [2023-12-20 01:54:45,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:54:45,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 01:54:45,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:54:45,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 01:54:45,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 01:54:45,875 INFO L87 Difference]: Start difference. First operand 10916 states and 13216 transitions. Second operand has 6 states, 5 states have (on average 670.0) internal successors, (3350), 5 states have internal predecessors, (3350), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-20 01:54:50,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:54:54,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:54:58,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:55:02,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:55:03,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:55:03,743 INFO L93 Difference]: Finished difference Result 10924 states and 13222 transitions. [2023-12-20 01:55:03,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 01:55:03,744 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 670.0) internal successors, (3350), 5 states have internal predecessors, (3350), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 3383 [2023-12-20 01:55:03,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:55:03,768 INFO L225 Difference]: With dead ends: 10924 [2023-12-20 01:55:03,768 INFO L226 Difference]: Without dead ends: 10922 [2023-12-20 01:55:03,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-20 01:55:03,774 INFO L413 NwaCegarLoop]: 10348 mSDtfsCounter, 6991 mSDsluCounter, 33793 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6991 SdHoareTripleChecker+Valid, 44141 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2023-12-20 01:55:03,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6991 Valid, 44141 Invalid, 386 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 379 Invalid, 4 Unknown, 0 Unchecked, 17.6s Time] [2023-12-20 01:55:03,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10922 states. [2023-12-20 01:55:03,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10922 to 10920. [2023-12-20 01:55:03,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10920 states, 10299 states have (on average 1.1771045732595398) internal successors, (12123), 10333 states have internal predecessors, (12123), 543 states have call successors, (543), 77 states have call predecessors, (543), 77 states have return successors, (553), 528 states have call predecessors, (553), 541 states have call successors, (553) [2023-12-20 01:55:03,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10920 states to 10920 states and 13219 transitions. [2023-12-20 01:55:03,969 INFO L78 Accepts]: Start accepts. Automaton has 10920 states and 13219 transitions. Word has length 3383 [2023-12-20 01:55:03,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:55:03,971 INFO L495 AbstractCegarLoop]: Abstraction has 10920 states and 13219 transitions. [2023-12-20 01:55:03,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 670.0) internal successors, (3350), 5 states have internal predecessors, (3350), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-20 01:55:03,971 INFO L276 IsEmpty]: Start isEmpty. Operand 10920 states and 13219 transitions. [2023-12-20 01:55:04,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3390 [2023-12-20 01:55:04,041 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:55:04,043 INFO L195 NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 01:55:04,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-20 01:55:04,043 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:55:04,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:55:04,044 INFO L85 PathProgramCache]: Analyzing trace with hash 156978989, now seen corresponding path program 1 times [2023-12-20 01:55:04,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:55:04,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041927809] [2023-12-20 01:55:04,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:55:04,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:55:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:55:42,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3337 [2023-12-20 01:55:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:55:42,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3343 [2023-12-20 01:55:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:55:42,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3349 [2023-12-20 01:55:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:55:42,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3355 [2023-12-20 01:55:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:55:42,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3361 [2023-12-20 01:55:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:55:42,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3367 [2023-12-20 01:55:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:55:42,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3373 [2023-12-20 01:55:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:55:42,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3379 [2023-12-20 01:55:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:55:42,237 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-12-20 01:55:42,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:55:42,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041927809] [2023-12-20 01:55:42,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041927809] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:55:42,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:55:42,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 01:55:42,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517596845] [2023-12-20 01:55:42,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:55:42,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 01:55:42,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:55:42,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 01:55:42,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 01:55:42,243 INFO L87 Difference]: Start difference. First operand 10920 states and 13219 transitions. Second operand has 6 states, 5 states have (on average 670.2) internal successors, (3351), 5 states have internal predecessors, (3351), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-12-20 01:55:46,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:55:50,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:55:55,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:55:59,165 WARN L539 Checker$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 01:56:00,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:56:00,047 INFO L93 Difference]: Finished difference Result 10928 states and 13225 transitions. [2023-12-20 01:56:00,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 01:56:00,049 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 670.2) internal successors, (3351), 5 states have internal predecessors, (3351), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 3389 [2023-12-20 01:56:00,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:56:00,073 INFO L225 Difference]: With dead ends: 10928 [2023-12-20 01:56:00,074 INFO L226 Difference]: Without dead ends: 10926 [2023-12-20 01:56:00,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-20 01:56:00,079 INFO L413 NwaCegarLoop]: 10348 mSDtfsCounter, 6989 mSDsluCounter, 33793 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6989 SdHoareTripleChecker+Valid, 44141 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2023-12-20 01:56:00,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6989 Valid, 44141 Invalid, 386 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 379 Invalid, 4 Unknown, 0 Unchecked, 17.5s Time] [2023-12-20 01:56:00,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10926 states. [2023-12-20 01:56:00,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10926 to 10924. [2023-12-20 01:56:00,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10924 states, 10302 states have (on average 1.177052999417589) internal successors, (12126), 10336 states have internal predecessors, (12126), 543 states have call successors, (543), 78 states have call predecessors, (543), 78 states have return successors, (553), 528 states have call predecessors, (553), 541 states have call successors, (553) [2023-12-20 01:56:00,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10924 states to 10924 states and 13222 transitions. [2023-12-20 01:56:00,279 INFO L78 Accepts]: Start accepts. Automaton has 10924 states and 13222 transitions. Word has length 3389 [2023-12-20 01:56:00,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:56:00,281 INFO L495 AbstractCegarLoop]: Abstraction has 10924 states and 13222 transitions. [2023-12-20 01:56:00,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 670.2) internal successors, (3351), 5 states have internal predecessors, (3351), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-12-20 01:56:00,282 INFO L276 IsEmpty]: Start isEmpty. Operand 10924 states and 13222 transitions. [2023-12-20 01:56:00,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3396 [2023-12-20 01:56:00,351 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:56:00,352 INFO L195 NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 01:56:00,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-20 01:56:00,353 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:56:00,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:56:00,354 INFO L85 PathProgramCache]: Analyzing trace with hash 12716657, now seen corresponding path program 1 times [2023-12-20 01:56:00,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:56:00,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861109556] [2023-12-20 01:56:00,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:56:00,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:56:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:56:40,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3337 [2023-12-20 01:56:40,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:56:40,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3343 [2023-12-20 01:56:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:56:40,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3349 [2023-12-20 01:56:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:56:40,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3355 [2023-12-20 01:56:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:56:40,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3361 [2023-12-20 01:56:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:56:40,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3367 [2023-12-20 01:56:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:56:40,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3373 [2023-12-20 01:56:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:56:40,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3379 [2023-12-20 01:56:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:56:40,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3385 [2023-12-20 01:56:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:56:40,068 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-12-20 01:56:40,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:56:40,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861109556] [2023-12-20 01:56:40,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861109556] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:56:40,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:56:40,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 01:56:40,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068878723] [2023-12-20 01:56:40,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:56:40,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 01:56:40,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:56:40,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 01:56:40,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 01:56:40,079 INFO L87 Difference]: Start difference. First operand 10924 states and 13222 transitions. Second operand has 6 states, 5 states have (on average 670.4) internal successors, (3352), 5 states have internal predecessors, (3352), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-12-20 01:56:44,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:56:48,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:56:52,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:56:57,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:56:58,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:56:58,096 INFO L93 Difference]: Finished difference Result 10932 states and 13228 transitions. [2023-12-20 01:56:58,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 01:56:58,097 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 670.4) internal successors, (3352), 5 states have internal predecessors, (3352), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 3395 [2023-12-20 01:56:58,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:56:58,117 INFO L225 Difference]: With dead ends: 10932 [2023-12-20 01:56:58,117 INFO L226 Difference]: Without dead ends: 10930 [2023-12-20 01:56:58,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-20 01:56:58,121 INFO L413 NwaCegarLoop]: 10348 mSDtfsCounter, 6987 mSDsluCounter, 33793 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6987 SdHoareTripleChecker+Valid, 44141 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2023-12-20 01:56:58,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6987 Valid, 44141 Invalid, 386 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 379 Invalid, 4 Unknown, 0 Unchecked, 17.7s Time] [2023-12-20 01:56:58,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10930 states. [2023-12-20 01:56:58,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10930 to 10928. [2023-12-20 01:56:58,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10928 states, 10305 states have (on average 1.1770014556040758) internal successors, (12129), 10339 states have internal predecessors, (12129), 543 states have call successors, (543), 79 states have call predecessors, (543), 79 states have return successors, (553), 528 states have call predecessors, (553), 541 states have call successors, (553) [2023-12-20 01:56:58,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10928 states to 10928 states and 13225 transitions. [2023-12-20 01:56:58,348 INFO L78 Accepts]: Start accepts. Automaton has 10928 states and 13225 transitions. Word has length 3395 [2023-12-20 01:56:58,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:56:58,350 INFO L495 AbstractCegarLoop]: Abstraction has 10928 states and 13225 transitions. [2023-12-20 01:56:58,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 670.4) internal successors, (3352), 5 states have internal predecessors, (3352), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-12-20 01:56:58,351 INFO L276 IsEmpty]: Start isEmpty. Operand 10928 states and 13225 transitions. [2023-12-20 01:56:58,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3402 [2023-12-20 01:56:58,460 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:56:58,462 INFO L195 NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 01:56:58,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-20 01:56:58,462 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:56:58,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:56:58,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1851847757, now seen corresponding path program 1 times [2023-12-20 01:56:58,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:56:58,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153539187] [2023-12-20 01:56:58,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:56:58,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:57:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:57:35,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3337 [2023-12-20 01:57:35,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:57:35,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3343 [2023-12-20 01:57:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:57:35,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3349 [2023-12-20 01:57:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:57:35,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3355 [2023-12-20 01:57:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:57:35,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3361 [2023-12-20 01:57:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:57:35,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3367 [2023-12-20 01:57:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:57:35,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3373 [2023-12-20 01:57:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:57:35,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3379 [2023-12-20 01:57:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:57:35,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3385 [2023-12-20 01:57:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:57:35,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3391 [2023-12-20 01:57:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:57:35,410 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-20 01:57:35,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:57:35,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153539187] [2023-12-20 01:57:35,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153539187] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:57:35,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:57:35,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 01:57:35,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967329827] [2023-12-20 01:57:35,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:57:35,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 01:57:35,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:57:35,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 01:57:35,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 01:57:35,416 INFO L87 Difference]: Start difference. First operand 10928 states and 13225 transitions. Second operand has 6 states, 5 states have (on average 670.6) internal successors, (3353), 5 states have internal predecessors, (3353), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-20 01:57:39,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:57:43,773 WARN L539 Checker$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 01:57:47,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:57:52,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:57:53,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:57:53,206 INFO L93 Difference]: Finished difference Result 10936 states and 13231 transitions. [2023-12-20 01:57:53,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 01:57:53,207 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 670.6) internal successors, (3353), 5 states have internal predecessors, (3353), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 3401 [2023-12-20 01:57:53,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:57:53,230 INFO L225 Difference]: With dead ends: 10936 [2023-12-20 01:57:53,230 INFO L226 Difference]: Without dead ends: 10934 [2023-12-20 01:57:53,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-20 01:57:53,235 INFO L413 NwaCegarLoop]: 10348 mSDtfsCounter, 6985 mSDsluCounter, 33793 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6985 SdHoareTripleChecker+Valid, 44141 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2023-12-20 01:57:53,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6985 Valid, 44141 Invalid, 386 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 379 Invalid, 4 Unknown, 0 Unchecked, 17.4s Time] [2023-12-20 01:57:53,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10934 states. [2023-12-20 01:57:53,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10934 to 10932. [2023-12-20 01:57:53,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10932 states, 10308 states have (on average 1.1769499417927822) internal successors, (12132), 10342 states have internal predecessors, (12132), 543 states have call successors, (543), 80 states have call predecessors, (543), 80 states have return successors, (553), 528 states have call predecessors, (553), 541 states have call successors, (553) [2023-12-20 01:57:53,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10932 states to 10932 states and 13228 transitions. [2023-12-20 01:57:53,452 INFO L78 Accepts]: Start accepts. Automaton has 10932 states and 13228 transitions. Word has length 3401 [2023-12-20 01:57:53,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:57:53,454 INFO L495 AbstractCegarLoop]: Abstraction has 10932 states and 13228 transitions. [2023-12-20 01:57:53,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 670.6) internal successors, (3353), 5 states have internal predecessors, (3353), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-20 01:57:53,455 INFO L276 IsEmpty]: Start isEmpty. Operand 10932 states and 13228 transitions. [2023-12-20 01:57:53,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3408 [2023-12-20 01:57:53,522 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:57:53,524 INFO L195 NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 01:57:53,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-20 01:57:53,524 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:57:53,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:57:53,525 INFO L85 PathProgramCache]: Analyzing trace with hash -707175309, now seen corresponding path program 1 times [2023-12-20 01:57:53,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:57:53,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499828323] [2023-12-20 01:57:53,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:57:53,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:58:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:30,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3337 [2023-12-20 01:58:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:30,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3343 [2023-12-20 01:58:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:30,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3349 [2023-12-20 01:58:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:30,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3355 [2023-12-20 01:58:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:30,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3361 [2023-12-20 01:58:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:30,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3367 [2023-12-20 01:58:30,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:30,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3373 [2023-12-20 01:58:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:30,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3379 [2023-12-20 01:58:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:30,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3385 [2023-12-20 01:58:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:30,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3391 [2023-12-20 01:58:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:30,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3397 [2023-12-20 01:58:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:58:30,658 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-20 01:58:30,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:58:30,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499828323] [2023-12-20 01:58:30,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499828323] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:58:30,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:58:30,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 01:58:30,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596123117] [2023-12-20 01:58:30,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:58:30,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 01:58:30,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:58:30,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 01:58:30,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 01:58:30,664 INFO L87 Difference]: Start difference. First operand 10932 states and 13228 transitions. Second operand has 6 states, 5 states have (on average 670.8) internal successors, (3354), 5 states have internal predecessors, (3354), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-20 01:58:34,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:58:38,908 WARN L539 Checker$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 01:58:42,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:58:47,004 WARN L539 Checker$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 01:58:47,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:58:47,791 INFO L93 Difference]: Finished difference Result 10940 states and 13234 transitions. [2023-12-20 01:58:47,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 01:58:47,792 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 670.8) internal successors, (3354), 5 states have internal predecessors, (3354), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 3407 [2023-12-20 01:58:47,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:58:47,809 INFO L225 Difference]: With dead ends: 10940 [2023-12-20 01:58:47,810 INFO L226 Difference]: Without dead ends: 10938 [2023-12-20 01:58:47,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-20 01:58:47,814 INFO L413 NwaCegarLoop]: 10348 mSDtfsCounter, 6983 mSDsluCounter, 33792 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6983 SdHoareTripleChecker+Valid, 44140 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2023-12-20 01:58:47,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6983 Valid, 44140 Invalid, 387 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 380 Invalid, 4 Unknown, 0 Unchecked, 16.9s Time] [2023-12-20 01:58:47,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10938 states. [2023-12-20 01:58:47,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10938 to 10936. [2023-12-20 01:58:47,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10936 states, 10311 states have (on average 1.176898457957521) internal successors, (12135), 10345 states have internal predecessors, (12135), 543 states have call successors, (543), 81 states have call predecessors, (543), 81 states have return successors, (553), 528 states have call predecessors, (553), 541 states have call successors, (553) [2023-12-20 01:58:48,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10936 states to 10936 states and 13231 transitions. [2023-12-20 01:58:48,007 INFO L78 Accepts]: Start accepts. Automaton has 10936 states and 13231 transitions. Word has length 3407 [2023-12-20 01:58:48,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:58:48,009 INFO L495 AbstractCegarLoop]: Abstraction has 10936 states and 13231 transitions. [2023-12-20 01:58:48,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 670.8) internal successors, (3354), 5 states have internal predecessors, (3354), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-20 01:58:48,009 INFO L276 IsEmpty]: Start isEmpty. Operand 10936 states and 13231 transitions. [2023-12-20 01:58:48,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3414 [2023-12-20 01:58:48,078 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:58:48,080 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 01:58:48,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-20 01:58:48,080 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:58:48,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:58:48,081 INFO L85 PathProgramCache]: Analyzing trace with hash 692774449, now seen corresponding path program 1 times [2023-12-20 01:58:48,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:58:48,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751087778] [2023-12-20 01:58:48,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:58:48,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:59:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:59:25,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3337 [2023-12-20 01:59:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:59:25,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3343 [2023-12-20 01:59:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:59:25,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3349 [2023-12-20 01:59:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:59:25,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3355 [2023-12-20 01:59:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:59:25,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3361 [2023-12-20 01:59:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:59:25,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3367 [2023-12-20 01:59:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:59:25,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3373 [2023-12-20 01:59:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:59:25,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3379 [2023-12-20 01:59:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:59:25,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3385 [2023-12-20 01:59:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:59:25,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3391 [2023-12-20 01:59:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:59:25,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3397 [2023-12-20 01:59:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:59:25,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3403 [2023-12-20 01:59:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:59:25,233 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-12-20 01:59:25,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:59:25,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751087778] [2023-12-20 01:59:25,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751087778] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:59:25,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:59:25,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 01:59:25,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416058295] [2023-12-20 01:59:25,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:59:25,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 01:59:25,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:59:25,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 01:59:25,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 01:59:25,239 INFO L87 Difference]: Start difference. First operand 10936 states and 13231 transitions. Second operand has 6 states, 5 states have (on average 671.0) internal successors, (3355), 5 states have internal predecessors, (3355), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-12-20 01:59:29,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:59:33,465 WARN L539 Checker$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 01:59:37,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:59:41,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-20 01:59:42,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:59:42,655 INFO L93 Difference]: Finished difference Result 16023 states and 18992 transitions. [2023-12-20 01:59:42,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 01:59:42,656 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 671.0) internal successors, (3355), 5 states have internal predecessors, (3355), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 3413 [2023-12-20 01:59:42,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:59:42,683 INFO L225 Difference]: With dead ends: 16023 [2023-12-20 01:59:42,683 INFO L226 Difference]: Without dead ends: 16021 [2023-12-20 01:59:42,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-20 01:59:42,690 INFO L413 NwaCegarLoop]: 10348 mSDtfsCounter, 6981 mSDsluCounter, 33792 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6981 SdHoareTripleChecker+Valid, 44140 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2023-12-20 01:59:42,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6981 Valid, 44140 Invalid, 387 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 380 Invalid, 4 Unknown, 0 Unchecked, 17.1s Time] [2023-12-20 01:59:42,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16021 states. [2023-12-20 01:59:43,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16021 to 16019. [2023-12-20 01:59:43,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16019 states, 14983 states have (on average 1.1459654274844824) internal successors, (17170), 15037 states have internal predecessors, (17170), 888 states have call successors, (888), 147 states have call predecessors, (888), 147 states have return successors, (930), 865 states have call predecessors, (930), 884 states have call successors, (930) [2023-12-20 01:59:43,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16019 states to 16019 states and 18988 transitions. [2023-12-20 01:59:43,071 INFO L78 Accepts]: Start accepts. Automaton has 16019 states and 18988 transitions. Word has length 3413 [2023-12-20 01:59:43,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:59:43,072 INFO L495 AbstractCegarLoop]: Abstraction has 16019 states and 18988 transitions. [2023-12-20 01:59:43,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 671.0) internal successors, (3355), 5 states have internal predecessors, (3355), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-12-20 01:59:43,073 INFO L276 IsEmpty]: Start isEmpty. Operand 16019 states and 18988 transitions. [2023-12-20 01:59:43,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3420 [2023-12-20 01:59:43,150 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:59:43,151 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 01:59:43,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-20 01:59:43,152 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:59:43,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:59:43,153 INFO L85 PathProgramCache]: Analyzing trace with hash -535268755, now seen corresponding path program 1 times [2023-12-20 01:59:43,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:59:43,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812611282] [2023-12-20 01:59:43,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:59:43,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms Received shutdown request... [2023-12-20 02:00:05,685 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 02:00:06,888 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 02:00:07,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 [2023-12-20 02:00:10,593 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-20 02:00:10,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-20 02:00:10,593 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 3420 with TraceHistMax 14,while executing Executor. [2023-12-20 02:00:10,596 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 02:00:10,598 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-20 02:00:10,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.12 02:00:10 BoogieIcfgContainer [2023-12-20 02:00:10,601 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-20 02:00:10,603 INFO L158 Benchmark]: Toolchain (without parser) took 815385.66ms. Allocated memory was 208.7MB in the beginning and 4.4GB in the end (delta: 4.2GB). Free memory was 147.6MB in the beginning and 3.3GB in the end (delta: -3.1GB). Peak memory consumption was 3.2GB. Max. memory is 8.0GB. [2023-12-20 02:00:10,603 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 208.7MB. Free memory is still 160.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-20 02:00:10,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1707.67ms. Allocated memory was 208.7MB in the beginning and 500.2MB in the end (delta: 291.5MB). Free memory was 147.0MB in the beginning and 322.7MB in the end (delta: -175.7MB). Peak memory consumption was 200.6MB. Max. memory is 8.0GB. [2023-12-20 02:00:10,604 INFO L158 Benchmark]: Boogie Procedure Inliner took 1039.92ms. Allocated memory was 500.2MB in the beginning and 1.0GB in the end (delta: 500.2MB). Free memory was 322.2MB in the beginning and 710.7MB in the end (delta: -388.5MB). Peak memory consumption was 173.5MB. Max. memory is 8.0GB. [2023-12-20 02:00:10,605 INFO L158 Benchmark]: Boogie Preprocessor took 1510.47ms. Allocated memory is still 1.0GB. Free memory was 710.7MB in the beginning and 600.6MB in the end (delta: 110.1MB). Peak memory consumption was 146.3MB. Max. memory is 8.0GB. [2023-12-20 02:00:10,608 INFO L158 Benchmark]: RCFGBuilder took 19314.77ms. Allocated memory was 1.0GB in the beginning and 3.5GB in the end (delta: 2.5GB). Free memory was 600.1MB in the beginning and 2.5GB in the end (delta: -1.9GB). Peak memory consumption was 919.7MB. Max. memory is 8.0GB. [2023-12-20 02:00:10,609 INFO L158 Benchmark]: TraceAbstraction took 791807.88ms. Allocated memory was 3.5GB in the beginning and 4.4GB in the end (delta: 851.4MB). Free memory was 2.5GB in the beginning and 3.3GB in the end (delta: -802.4MB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. [2023-12-20 02:00:10,615 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 208.7MB. Free memory is still 160.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1707.67ms. Allocated memory was 208.7MB in the beginning and 500.2MB in the end (delta: 291.5MB). Free memory was 147.0MB in the beginning and 322.7MB in the end (delta: -175.7MB). Peak memory consumption was 200.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 1039.92ms. Allocated memory was 500.2MB in the beginning and 1.0GB in the end (delta: 500.2MB). Free memory was 322.2MB in the beginning and 710.7MB in the end (delta: -388.5MB). Peak memory consumption was 173.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 1510.47ms. Allocated memory is still 1.0GB. Free memory was 710.7MB in the beginning and 600.6MB in the end (delta: 110.1MB). Peak memory consumption was 146.3MB. Max. memory is 8.0GB. * RCFGBuilder took 19314.77ms. Allocated memory was 1.0GB in the beginning and 3.5GB in the end (delta: 2.5GB). Free memory was 600.1MB in the beginning and 2.5GB in the end (delta: -1.9GB). Peak memory consumption was 919.7MB. Max. memory is 8.0GB. * TraceAbstraction took 791807.88ms. Allocated memory was 3.5GB in the beginning and 4.4GB in the end (delta: 851.4MB). Free memory was 2.5GB in the beginning and 3.3GB in the end (delta: -802.4MB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 51]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/ctm.ok3.i","-S") [51] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 55]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 55). Cancelled while NwaCegarLoop was analyzing trace of length 3420 with TraceHistMax 14,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 8384 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 791.8s, OverallIterations: 15, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.5s, AutomataDifference: 234.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 53 mSolverCounterUnknown, 90912 SdHoareTripleChecker+Valid, 229.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 90912 mSDsluCounter, 584114 SdHoareTripleChecker+Invalid, 221.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 439304 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4987 IncrementalHoareTripleChecker+Invalid, 5079 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 144810 mSDtfsCounter, 4987 mSolverCounterSat, 1.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 262 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16019occurred in iteration=14, InterpolantAutomatonStates: 80, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 26 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.7s SsaConstructionTime, 67.0s SatisfiabilityAnalysisTime, 75.4s InterpolantComputationTime, 47242 NumberOfCodeBlocks, 47242 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 47228 ConstructedInterpolants, 0 QuantifiedInterpolants, 388782 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 1300/1300 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown