./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e0f65ddacc19e229149f7733305e27ede1d7c46ea04122324ae4c2ba294bcff0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 02:36:05,057 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 02:36:05,112 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 02:36:05,126 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 02:36:05,126 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 02:36:05,166 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 02:36:05,167 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 02:36:05,167 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 02:36:05,168 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 02:36:05,168 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 02:36:05,169 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 02:36:05,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 02:36:05,169 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 02:36:05,170 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 02:36:05,171 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 02:36:05,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 02:36:05,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 02:36:05,172 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 02:36:05,173 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 02:36:05,173 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 02:36:05,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 02:36:05,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 02:36:05,174 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 02:36:05,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 02:36:05,177 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 02:36:05,177 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 02:36:05,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 02:36:05,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 02:36:05,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 02:36:05,177 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 02:36:05,178 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 02:36:05,178 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 02:36:05,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:36:05,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 02:36:05,178 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 02:36:05,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 02:36:05,179 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 02:36:05,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 02:36:05,180 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 02:36:05,181 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 02:36:05,181 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 02:36:05,182 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 02:36:05,182 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0f65ddacc19e229149f7733305e27ede1d7c46ea04122324ae4c2ba294bcff0 [2024-11-22 02:36:05,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 02:36:05,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 02:36:05,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 02:36:05,413 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 02:36:05,414 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 02:36:05,415 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-2.c [2024-11-22 02:36:06,790 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 02:36:07,085 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 02:36:07,085 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-2.c [2024-11-22 02:36:07,112 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca3bca081/c8ef76a1412c40a58c0c38a1fed01d92/FLAGbc688e925 [2024-11-22 02:36:07,127 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca3bca081/c8ef76a1412c40a58c0c38a1fed01d92 [2024-11-22 02:36:07,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 02:36:07,131 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 02:36:07,133 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 02:36:07,133 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 02:36:07,138 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 02:36:07,138 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:36:07" (1/1) ... [2024-11-22 02:36:07,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39094c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:07, skipping insertion in model container [2024-11-22 02:36:07,139 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:36:07" (1/1) ... [2024-11-22 02:36:07,193 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 02:36:07,390 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-2.c[1974,1987] [2024-11-22 02:36:07,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:36:07,747 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 02:36:07,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.bug2.i","-S") [47] [2024-11-22 02:36:07,762 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-2.c[1974,1987] [2024-11-22 02:36:07,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:36:07,979 INFO L204 MainTranslator]: Completed translation [2024-11-22 02:36:07,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:07 WrapperNode [2024-11-22 02:36:07,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 02:36:07,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 02:36:07,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 02:36:07,982 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 02:36:07,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:07" (1/1) ... [2024-11-22 02:36:08,049 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:07" (1/1) ... [2024-11-22 02:36:08,305 INFO L138 Inliner]: procedures = 61, calls = 3482, calls flagged for inlining = 20, calls inlined = 20, statements flattened = 7606 [2024-11-22 02:36:08,306 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 02:36:08,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 02:36:08,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 02:36:08,307 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 02:36:08,316 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:07" (1/1) ... [2024-11-22 02:36:08,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:07" (1/1) ... [2024-11-22 02:36:08,388 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:07" (1/1) ... [2024-11-22 02:36:08,468 INFO L175 MemorySlicer]: Split 2465 memory accesses to 19 slices as follows [2, 8, 319, 355, 4, 113, 113, 180, 2, 203, 2, 180, 7, 203, 180, 203, 180, 203, 8]. 14 percent of accesses are in the largest equivalence class. The 328 initializations are split as follows [2, 0, 27, 27, 0, 27, 27, 27, 0, 27, 0, 27, 2, 27, 27, 27, 27, 27, 0]. The 337 writes are split as follows [0, 4, 27, 27, 0, 27, 27, 28, 1, 26, 1, 28, 3, 26, 28, 26, 28, 26, 4]. [2024-11-22 02:36:08,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:07" (1/1) ... [2024-11-22 02:36:08,468 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:07" (1/1) ... [2024-11-22 02:36:08,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:07" (1/1) ... [2024-11-22 02:36:08,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:07" (1/1) ... [2024-11-22 02:36:08,644 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:07" (1/1) ... [2024-11-22 02:36:08,665 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:07" (1/1) ... [2024-11-22 02:36:08,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 02:36:08,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 02:36:08,708 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 02:36:08,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 02:36:08,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:07" (1/1) ... [2024-11-22 02:36:08,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:36:08,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:36:08,739 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) [2024-11-22 02:36:08,741 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 [2024-11-22 02:36:08,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 02:36:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2024-11-22 02:36:08,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2024-11-22 02:36:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-22 02:36:08,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-22 02:36:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-22 02:36:08,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-22 02:36:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 02:36:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-22 02:36:08,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-22 02:36:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-22 02:36:08,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-22 02:36:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-22 02:36:08,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-22 02:36:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 02:36:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 02:36:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 02:36:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 02:36:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 02:36:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 02:36:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 02:36:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-22 02:36:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-22 02:36:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-22 02:36:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-22 02:36:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-22 02:36:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-22 02:36:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-22 02:36:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-22 02:36:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-22 02:36:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-22 02:36:08,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-22 02:36:08,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-22 02:36:08,787 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-22 02:36:08,787 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-22 02:36:08,787 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-22 02:36:08,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-22 02:36:08,787 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2024-11-22 02:36:08,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2024-11-22 02:36:08,787 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-22 02:36:08,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-22 02:36:08,789 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-22 02:36:08,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-22 02:36:08,789 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-22 02:36:08,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-22 02:36:08,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 02:36:08,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 02:36:08,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 02:36:08,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 02:36:08,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 02:36:08,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 02:36:08,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 02:36:08,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 02:36:08,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-22 02:36:08,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-22 02:36:08,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-22 02:36:08,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-22 02:36:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-22 02:36:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-22 02:36:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-22 02:36:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-22 02:36:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-22 02:36:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-22 02:36:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-22 02:36:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-22 02:36:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-22 02:36:08,791 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-22 02:36:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-22 02:36:08,791 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-22 02:36:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2024-11-22 02:36:08,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2024-11-22 02:36:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-11-22 02:36:08,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-11-22 02:36:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 02:36:08,792 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 02:36:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 02:36:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 02:36:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 02:36:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 02:36:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 02:36:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 02:36:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 02:36:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-22 02:36:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-22 02:36:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-22 02:36:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-22 02:36:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-22 02:36:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-22 02:36:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-22 02:36:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-22 02:36:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-22 02:36:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-22 02:36:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-22 02:36:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-22 02:36:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 02:36:08,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 02:36:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-22 02:36:08,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-22 02:36:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-22 02:36:08,793 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-22 02:36:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-22 02:36:08,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-22 02:36:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2024-11-22 02:36:08,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2024-11-22 02:36:09,302 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 02:36:09,304 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 02:36:17,768 INFO L? ?]: Removed 415 outVars from TransFormulas that were not future-live. [2024-11-22 02:36:17,769 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 02:36:17,818 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 02:36:17,819 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 02:36:17,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:36:17 BoogieIcfgContainer [2024-11-22 02:36:17,820 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 02:36:17,821 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 02:36:17,822 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 02:36:17,825 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 02:36:17,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:36:07" (1/3) ... [2024-11-22 02:36:17,826 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a578acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:36:17, skipping insertion in model container [2024-11-22 02:36:17,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:07" (2/3) ... [2024-11-22 02:36:17,826 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a578acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:36:17, skipping insertion in model container [2024-11-22 02:36:17,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:36:17" (3/3) ... [2024-11-22 02:36:17,828 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_aso.2.M1-2.c [2024-11-22 02:36:17,841 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 02:36:17,842 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 02:36:17,935 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 02:36:17,941 INFO L333 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, 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;@1873ff7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 02:36:17,941 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 02:36:17,954 INFO L276 IsEmpty]: Start isEmpty. Operand has 2246 states, 1257 states have (on average 1.2211614956245027) internal successors, (1535), 1386 states have internal predecessors, (1535), 966 states have call successors, (966), 21 states have call predecessors, (966), 21 states have return successors, (966), 866 states have call predecessors, (966), 966 states have call successors, (966) [2024-11-22 02:36:18,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1337 [2024-11-22 02:36:18,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:36:18,015 INFO L215 NwaCegarLoop]: trace histogram [209, 209, 209, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:36:18,015 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:36:18,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:36:18,020 INFO L85 PathProgramCache]: Analyzing trace with hash 679353759, now seen corresponding path program 1 times [2024-11-22 02:36:18,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:36:18,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944773831] [2024-11-22 02:36:18,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:36:18,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:36:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:36:19,689 INFO L134 CoverageAnalysis]: Checked inductivity of 86944 backedges. 0 proven. 416 refuted. 0 times theorem prover too weak. 86528 trivial. 0 not checked. [2024-11-22 02:36:19,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:36:19,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944773831] [2024-11-22 02:36:19,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944773831] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:36:19,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673748143] [2024-11-22 02:36:19,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:36:19,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:36:19,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:36:19,696 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 02:36:19,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 02:36:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:36:21,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 4551 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 02:36:21,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:36:21,441 INFO L134 CoverageAnalysis]: Checked inductivity of 86944 backedges. 416 proven. 0 refuted. 0 times theorem prover too weak. 86528 trivial. 0 not checked. [2024-11-22 02:36:21,442 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 02:36:21,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673748143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:36:21,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 02:36:21,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 02:36:21,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153823918] [2024-11-22 02:36:21,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:36:21,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 02:36:21,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:36:21,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 02:36:21,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 02:36:21,485 INFO L87 Difference]: Start difference. First operand has 2246 states, 1257 states have (on average 1.2211614956245027) internal successors, (1535), 1386 states have internal predecessors, (1535), 966 states have call successors, (966), 21 states have call predecessors, (966), 21 states have return successors, (966), 866 states have call predecessors, (966), 966 states have call successors, (966) Second operand has 2 states, 2 states have (on average 145.5) internal successors, (291), 2 states have internal predecessors, (291), 2 states have call successors, (212), 2 states have call predecessors, (212), 1 states have return successors, (211), 1 states have call predecessors, (211), 2 states have call successors, (211) [2024-11-22 02:36:21,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:36:21,650 INFO L93 Difference]: Finished difference Result 4487 states and 7874 transitions. [2024-11-22 02:36:21,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 02:36:21,652 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 145.5) internal successors, (291), 2 states have internal predecessors, (291), 2 states have call successors, (212), 2 states have call predecessors, (212), 1 states have return successors, (211), 1 states have call predecessors, (211), 2 states have call successors, (211) Word has length 1336 [2024-11-22 02:36:21,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:36:21,689 INFO L225 Difference]: With dead ends: 4487 [2024-11-22 02:36:21,690 INFO L226 Difference]: Without dead ends: 2241 [2024-11-22 02:36:21,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1337 GetRequests, 1337 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 02:36:21,715 INFO L432 NwaCegarLoop]: 3464 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3464 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:36:21,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3464 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:36:21,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2241 states. [2024-11-22 02:36:22,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2241 to 2241. [2024-11-22 02:36:22,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2241 states, 1253 states have (on average 1.2194732641660015) internal successors, (1528), 1382 states have internal predecessors, (1528), 966 states have call successors, (966), 21 states have call predecessors, (966), 21 states have return successors, (965), 865 states have call predecessors, (965), 965 states have call successors, (965) [2024-11-22 02:36:22,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 2241 states and 3459 transitions. [2024-11-22 02:36:22,328 INFO L78 Accepts]: Start accepts. Automaton has 2241 states and 3459 transitions. Word has length 1336 [2024-11-22 02:36:22,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:36:22,330 INFO L471 AbstractCegarLoop]: Abstraction has 2241 states and 3459 transitions. [2024-11-22 02:36:22,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 145.5) internal successors, (291), 2 states have internal predecessors, (291), 2 states have call successors, (212), 2 states have call predecessors, (212), 1 states have return successors, (211), 1 states have call predecessors, (211), 2 states have call successors, (211) [2024-11-22 02:36:22,330 INFO L276 IsEmpty]: Start isEmpty. Operand 2241 states and 3459 transitions. [2024-11-22 02:36:22,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1337 [2024-11-22 02:36:22,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:36:22,439 INFO L215 NwaCegarLoop]: trace histogram [209, 209, 209, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:36:22,455 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 02:36:22,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 02:36:22,640 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:36:22,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:36:22,641 INFO L85 PathProgramCache]: Analyzing trace with hash 683212117, now seen corresponding path program 1 times [2024-11-22 02:36:22,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:36:22,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307164946] [2024-11-22 02:36:22,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:36:22,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:36:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:36:24,369 INFO L134 CoverageAnalysis]: Checked inductivity of 86944 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86944 trivial. 0 not checked. [2024-11-22 02:36:24,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:36:24,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307164946] [2024-11-22 02:36:24,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307164946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:36:24,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:36:24,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:36:24,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040742552] [2024-11-22 02:36:24,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:36:24,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:36:24,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:36:24,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:36:24,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:36:24,377 INFO L87 Difference]: Start difference. First operand 2241 states and 3459 transitions. Second operand has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 2 states have call successors, (212), 2 states have call predecessors, (212), 2 states have return successors, (211), 2 states have call predecessors, (211), 2 states have call successors, (211) [2024-11-22 02:36:24,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:36:24,474 INFO L93 Difference]: Finished difference Result 3909 states and 6076 transitions. [2024-11-22 02:36:24,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:36:24,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 2 states have call successors, (212), 2 states have call predecessors, (212), 2 states have return successors, (211), 2 states have call predecessors, (211), 2 states have call successors, (211) Word has length 1336 [2024-11-22 02:36:24,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:36:24,502 INFO L225 Difference]: With dead ends: 3909 [2024-11-22 02:36:24,502 INFO L226 Difference]: Without dead ends: 2241 [2024-11-22 02:36:24,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:36:24,515 INFO L432 NwaCegarLoop]: 3457 mSDtfsCounter, 0 mSDsluCounter, 3447 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6904 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:36:24,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6904 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:36:24,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2241 states. [2024-11-22 02:36:24,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2241 to 2241. [2024-11-22 02:36:24,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2241 states, 1253 states have (on average 1.2186751795690343) internal successors, (1527), 1382 states have internal predecessors, (1527), 966 states have call successors, (966), 21 states have call predecessors, (966), 21 states have return successors, (965), 865 states have call predecessors, (965), 965 states have call successors, (965) [2024-11-22 02:36:24,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 2241 states and 3458 transitions. [2024-11-22 02:36:24,871 INFO L78 Accepts]: Start accepts. Automaton has 2241 states and 3458 transitions. Word has length 1336 [2024-11-22 02:36:24,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:36:24,875 INFO L471 AbstractCegarLoop]: Abstraction has 2241 states and 3458 transitions. [2024-11-22 02:36:24,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 2 states have call successors, (212), 2 states have call predecessors, (212), 2 states have return successors, (211), 2 states have call predecessors, (211), 2 states have call successors, (211) [2024-11-22 02:36:24,876 INFO L276 IsEmpty]: Start isEmpty. Operand 2241 states and 3458 transitions. [2024-11-22 02:36:24,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1345 [2024-11-22 02:36:24,888 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:36:24,889 INFO L215 NwaCegarLoop]: trace histogram [209, 209, 209, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:36:24,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 02:36:24,890 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:36:24,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:36:24,890 INFO L85 PathProgramCache]: Analyzing trace with hash 907523993, now seen corresponding path program 1 times [2024-11-22 02:36:24,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:36:24,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522783177] [2024-11-22 02:36:24,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:36:24,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:36:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:36:28,341 INFO L134 CoverageAnalysis]: Checked inductivity of 86947 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86947 trivial. 0 not checked. [2024-11-22 02:36:28,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:36:28,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522783177] [2024-11-22 02:36:28,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522783177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:36:28,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:36:28,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:36:28,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278700917] [2024-11-22 02:36:28,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:36:28,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:36:28,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:36:28,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:36:28,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:36:28,349 INFO L87 Difference]: Start difference. First operand 2241 states and 3458 transitions. Second operand has 5 states, 4 states have (on average 72.75) internal successors, (291), 5 states have internal predecessors, (291), 4 states have call successors, (214), 2 states have call predecessors, (214), 2 states have return successors, (213), 3 states have call predecessors, (213), 4 states have call successors, (213) [2024-11-22 02:36:32,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:36:32,599 INFO L93 Difference]: Finished difference Result 4194 states and 6488 transitions. [2024-11-22 02:36:32,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:36:32,600 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 72.75) internal successors, (291), 5 states have internal predecessors, (291), 4 states have call successors, (214), 2 states have call predecessors, (214), 2 states have return successors, (213), 3 states have call predecessors, (213), 4 states have call successors, (213) Word has length 1344 [2024-11-22 02:36:32,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:36:32,627 INFO L225 Difference]: With dead ends: 4194 [2024-11-22 02:36:32,628 INFO L226 Difference]: Without dead ends: 2526 [2024-11-22 02:36:32,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:36:32,641 INFO L432 NwaCegarLoop]: 3827 mSDtfsCounter, 4835 mSDsluCounter, 1733 mSDsCounter, 0 mSdLazyCounter, 2180 mSolverCounterSat, 1150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4835 SdHoareTripleChecker+Valid, 5560 SdHoareTripleChecker+Invalid, 3330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1150 IncrementalHoareTripleChecker+Valid, 2180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-22 02:36:32,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4835 Valid, 5560 Invalid, 3330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1150 Valid, 2180 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-22 02:36:32,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2526 states. [2024-11-22 02:36:33,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2526 to 2524. [2024-11-22 02:36:33,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2524 states, 1461 states have (on average 1.2361396303901437) internal successors, (1806), 1590 states have internal predecessors, (1806), 1032 states have call successors, (1032), 30 states have call predecessors, (1032), 30 states have return successors, (1031), 931 states have call predecessors, (1031), 1031 states have call successors, (1031) [2024-11-22 02:36:33,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2524 states to 2524 states and 3869 transitions. [2024-11-22 02:36:33,032 INFO L78 Accepts]: Start accepts. Automaton has 2524 states and 3869 transitions. Word has length 1344 [2024-11-22 02:36:33,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:36:33,034 INFO L471 AbstractCegarLoop]: Abstraction has 2524 states and 3869 transitions. [2024-11-22 02:36:33,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 72.75) internal successors, (291), 5 states have internal predecessors, (291), 4 states have call successors, (214), 2 states have call predecessors, (214), 2 states have return successors, (213), 3 states have call predecessors, (213), 4 states have call successors, (213) [2024-11-22 02:36:33,038 INFO L276 IsEmpty]: Start isEmpty. Operand 2524 states and 3869 transitions. [2024-11-22 02:36:33,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1349 [2024-11-22 02:36:33,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:36:33,053 INFO L215 NwaCegarLoop]: trace histogram [209, 209, 209, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:36:33,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 02:36:33,053 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:36:33,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:36:33,054 INFO L85 PathProgramCache]: Analyzing trace with hash 864733001, now seen corresponding path program 1 times [2024-11-22 02:36:33,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:36:33,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555922082] [2024-11-22 02:36:33,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:36:33,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:36:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:36:35,336 INFO L134 CoverageAnalysis]: Checked inductivity of 86947 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86947 trivial. 0 not checked. [2024-11-22 02:36:35,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:36:35,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555922082] [2024-11-22 02:36:35,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555922082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:36:35,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:36:35,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:36:35,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170276359] [2024-11-22 02:36:35,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:36:35,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:36:35,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:36:35,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:36:35,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:36:35,342 INFO L87 Difference]: Start difference. First operand 2524 states and 3869 transitions. Second operand has 5 states, 4 states have (on average 73.25) internal successors, (293), 5 states have internal predecessors, (293), 4 states have call successors, (215), 2 states have call predecessors, (215), 2 states have return successors, (214), 3 states have call predecessors, (214), 4 states have call successors, (214) [2024-11-22 02:36:40,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:36:40,079 INFO L93 Difference]: Finished difference Result 4473 states and 6892 transitions. [2024-11-22 02:36:40,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:36:40,081 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 73.25) internal successors, (293), 5 states have internal predecessors, (293), 4 states have call successors, (215), 2 states have call predecessors, (215), 2 states have return successors, (214), 3 states have call predecessors, (214), 4 states have call successors, (214) Word has length 1348 [2024-11-22 02:36:40,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:36:40,120 INFO L225 Difference]: With dead ends: 4473 [2024-11-22 02:36:40,120 INFO L226 Difference]: Without dead ends: 2522 [2024-11-22 02:36:40,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:36:40,138 INFO L432 NwaCegarLoop]: 3820 mSDtfsCounter, 4824 mSDsluCounter, 1731 mSDsCounter, 0 mSdLazyCounter, 2173 mSolverCounterSat, 1151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4824 SdHoareTripleChecker+Valid, 5551 SdHoareTripleChecker+Invalid, 3324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1151 IncrementalHoareTripleChecker+Valid, 2173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-22 02:36:40,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4824 Valid, 5551 Invalid, 3324 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1151 Valid, 2173 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-22 02:36:40,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2522 states. [2024-11-22 02:36:40,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2522 to 2520. [2024-11-22 02:36:40,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2520 states, 1459 states have (on average 1.2350925291295407) internal successors, (1802), 1588 states have internal predecessors, (1802), 1030 states have call successors, (1030), 30 states have call predecessors, (1030), 30 states have return successors, (1029), 929 states have call predecessors, (1029), 1029 states have call successors, (1029) [2024-11-22 02:36:40,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2520 states to 2520 states and 3861 transitions. [2024-11-22 02:36:40,482 INFO L78 Accepts]: Start accepts. Automaton has 2520 states and 3861 transitions. Word has length 1348 [2024-11-22 02:36:40,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:36:40,484 INFO L471 AbstractCegarLoop]: Abstraction has 2520 states and 3861 transitions. [2024-11-22 02:36:40,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 73.25) internal successors, (293), 5 states have internal predecessors, (293), 4 states have call successors, (215), 2 states have call predecessors, (215), 2 states have return successors, (214), 3 states have call predecessors, (214), 4 states have call successors, (214) [2024-11-22 02:36:40,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2520 states and 3861 transitions. [2024-11-22 02:36:40,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1350 [2024-11-22 02:36:40,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:36:40,499 INFO L215 NwaCegarLoop]: trace histogram [209, 209, 209, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:36:40,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 02:36:40,500 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:36:40,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:36:40,502 INFO L85 PathProgramCache]: Analyzing trace with hash -177200452, now seen corresponding path program 1 times [2024-11-22 02:36:40,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:36:40,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398394913] [2024-11-22 02:36:40,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:36:40,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:36:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:36:43,541 INFO L134 CoverageAnalysis]: Checked inductivity of 86947 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86947 trivial. 0 not checked. [2024-11-22 02:36:43,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:36:43,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398394913] [2024-11-22 02:36:43,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398394913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:36:43,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:36:43,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:36:43,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526101380] [2024-11-22 02:36:43,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:36:43,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:36:43,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:36:43,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:36:43,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:36:43,551 INFO L87 Difference]: Start difference. First operand 2520 states and 3861 transitions. Second operand has 6 states, 6 states have (on average 49.0) internal successors, (294), 5 states have internal predecessors, (294), 3 states have call successors, (215), 3 states have call predecessors, (215), 2 states have return successors, (214), 3 states have call predecessors, (214), 3 states have call successors, (214) [2024-11-22 02:36:48,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:36:48,820 INFO L93 Difference]: Finished difference Result 4371 states and 6727 transitions. [2024-11-22 02:36:48,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 02:36:48,822 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 49.0) internal successors, (294), 5 states have internal predecessors, (294), 3 states have call successors, (215), 3 states have call predecessors, (215), 2 states have return successors, (214), 3 states have call predecessors, (214), 3 states have call successors, (214) Word has length 1349 [2024-11-22 02:36:48,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:36:48,856 INFO L225 Difference]: With dead ends: 4371 [2024-11-22 02:36:48,857 INFO L226 Difference]: Without dead ends: 4369 [2024-11-22 02:36:48,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-22 02:36:48,862 INFO L432 NwaCegarLoop]: 3449 mSDtfsCounter, 5351 mSDsluCounter, 8114 mSDsCounter, 0 mSdLazyCounter, 1337 mSolverCounterSat, 2623 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5462 SdHoareTripleChecker+Valid, 11563 SdHoareTripleChecker+Invalid, 3960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2623 IncrementalHoareTripleChecker+Valid, 1337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-22 02:36:48,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5462 Valid, 11563 Invalid, 3960 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2623 Valid, 1337 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-11-22 02:36:48,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4369 states. [2024-11-22 02:36:49,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4369 to 4344. [2024-11-22 02:36:49,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4344 states, 2522 states have (on average 1.2486122125297383) internal successors, (3149), 2775 states have internal predecessors, (3149), 1765 states have call successors, (1765), 55 states have call predecessors, (1765), 56 states have return successors, (1787), 1567 states have call predecessors, (1787), 1763 states have call successors, (1787) [2024-11-22 02:36:49,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4344 states to 4344 states and 6701 transitions. [2024-11-22 02:36:49,445 INFO L78 Accepts]: Start accepts. Automaton has 4344 states and 6701 transitions. Word has length 1349 [2024-11-22 02:36:49,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:36:49,446 INFO L471 AbstractCegarLoop]: Abstraction has 4344 states and 6701 transitions. [2024-11-22 02:36:49,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 49.0) internal successors, (294), 5 states have internal predecessors, (294), 3 states have call successors, (215), 3 states have call predecessors, (215), 2 states have return successors, (214), 3 states have call predecessors, (214), 3 states have call successors, (214) [2024-11-22 02:36:49,447 INFO L276 IsEmpty]: Start isEmpty. Operand 4344 states and 6701 transitions. [2024-11-22 02:36:49,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1355 [2024-11-22 02:36:49,458 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:36:49,459 INFO L215 NwaCegarLoop]: trace histogram [209, 209, 209, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:36:49,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 02:36:49,459 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:36:49,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:36:49,461 INFO L85 PathProgramCache]: Analyzing trace with hash 941035031, now seen corresponding path program 1 times [2024-11-22 02:36:49,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:36:49,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186441418] [2024-11-22 02:36:49,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:36:49,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:36:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:36:51,945 INFO L134 CoverageAnalysis]: Checked inductivity of 86949 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 86947 trivial. 0 not checked. [2024-11-22 02:36:51,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:36:51,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186441418] [2024-11-22 02:36:51,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186441418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:36:51,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:36:51,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:36:51,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474268664] [2024-11-22 02:36:51,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:36:51,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:36:51,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:36:51,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:36:51,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:36:51,949 INFO L87 Difference]: Start difference. First operand 4344 states and 6701 transitions. Second operand has 5 states, 5 states have (on average 59.4) internal successors, (297), 4 states have internal predecessors, (297), 2 states have call successors, (216), 2 states have call predecessors, (216), 1 states have return successors, (215), 2 states have call predecessors, (215), 2 states have call successors, (215) [2024-11-22 02:36:52,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:36:52,299 INFO L93 Difference]: Finished difference Result 5307 states and 8169 transitions. [2024-11-22 02:36:52,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:36:52,300 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 59.4) internal successors, (297), 4 states have internal predecessors, (297), 2 states have call successors, (216), 2 states have call predecessors, (216), 1 states have return successors, (215), 2 states have call predecessors, (215), 2 states have call successors, (215) Word has length 1354 [2024-11-22 02:36:52,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:36:52,340 INFO L225 Difference]: With dead ends: 5307 [2024-11-22 02:36:52,341 INFO L226 Difference]: Without dead ends: 5282 [2024-11-22 02:36:52,346 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:36:52,347 INFO L432 NwaCegarLoop]: 3436 mSDtfsCounter, 3403 mSDsluCounter, 7518 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3426 SdHoareTripleChecker+Valid, 10954 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:36:52,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3426 Valid, 10954 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 02:36:52,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5282 states. [2024-11-22 02:36:53,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5282 to 5281. [2024-11-22 02:36:53,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5281 states, 3121 states have (on average 1.2592117910925986) internal successors, (3930), 3424 states have internal predecessors, (3930), 2087 states have call successors, (2087), 69 states have call predecessors, (2087), 72 states have return successors, (2111), 1840 states have call predecessors, (2111), 2086 states have call successors, (2111) [2024-11-22 02:36:53,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5281 states to 5281 states and 8128 transitions. [2024-11-22 02:36:53,049 INFO L78 Accepts]: Start accepts. Automaton has 5281 states and 8128 transitions. Word has length 1354 [2024-11-22 02:36:53,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:36:53,051 INFO L471 AbstractCegarLoop]: Abstraction has 5281 states and 8128 transitions. [2024-11-22 02:36:53,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 59.4) internal successors, (297), 4 states have internal predecessors, (297), 2 states have call successors, (216), 2 states have call predecessors, (216), 1 states have return successors, (215), 2 states have call predecessors, (215), 2 states have call successors, (215) [2024-11-22 02:36:53,051 INFO L276 IsEmpty]: Start isEmpty. Operand 5281 states and 8128 transitions. [2024-11-22 02:36:53,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1406 [2024-11-22 02:36:53,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:36:53,067 INFO L215 NwaCegarLoop]: trace histogram [210, 210, 210, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:36:53,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 02:36:53,068 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:36:53,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:36:53,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1152201270, now seen corresponding path program 1 times [2024-11-22 02:36:53,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:36:53,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302871610] [2024-11-22 02:36:53,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:36:53,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:36:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:36:55,128 INFO L134 CoverageAnalysis]: Checked inductivity of 87798 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 87794 trivial. 0 not checked. [2024-11-22 02:36:55,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:36:55,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302871610] [2024-11-22 02:36:55,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302871610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:36:55,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:36:55,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:36:55,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929650263] [2024-11-22 02:36:55,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:36:55,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:36:55,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:36:55,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:36:55,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:36:55,132 INFO L87 Difference]: Start difference. First operand 5281 states and 8128 transitions. Second operand has 5 states, 4 states have (on average 81.75) internal successors, (327), 5 states have internal predecessors, (327), 4 states have call successors, (221), 2 states have call predecessors, (221), 2 states have return successors, (220), 3 states have call predecessors, (220), 4 states have call successors, (220) [2024-11-22 02:36:58,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:36:58,309 INFO L93 Difference]: Finished difference Result 10453 states and 16066 transitions. [2024-11-22 02:36:58,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:36:58,310 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 81.75) internal successors, (327), 5 states have internal predecessors, (327), 4 states have call successors, (221), 2 states have call predecessors, (221), 2 states have return successors, (220), 3 states have call predecessors, (220), 4 states have call successors, (220) Word has length 1405 [2024-11-22 02:36:58,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:36:58,345 INFO L225 Difference]: With dead ends: 10453 [2024-11-22 02:36:58,345 INFO L226 Difference]: Without dead ends: 5809 [2024-11-22 02:36:58,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:36:58,361 INFO L432 NwaCegarLoop]: 3806 mSDtfsCounter, 3817 mSDsluCounter, 2139 mSDsCounter, 0 mSdLazyCounter, 2546 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3817 SdHoareTripleChecker+Valid, 5945 SdHoareTripleChecker+Invalid, 2574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-22 02:36:58,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3817 Valid, 5945 Invalid, 2574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2546 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-22 02:36:58,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5809 states. [2024-11-22 02:36:58,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5809 to 5807. [2024-11-22 02:36:58,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5807 states, 3509 states have (on average 1.2681675691080079) internal successors, (4450), 3812 states have internal predecessors, (4450), 2211 states have call successors, (2211), 83 states have call predecessors, (2211), 86 states have return successors, (2235), 1964 states have call predecessors, (2235), 2210 states have call successors, (2235) [2024-11-22 02:36:58,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5807 states to 5807 states and 8896 transitions. [2024-11-22 02:36:58,961 INFO L78 Accepts]: Start accepts. Automaton has 5807 states and 8896 transitions. Word has length 1405 [2024-11-22 02:36:58,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:36:58,962 INFO L471 AbstractCegarLoop]: Abstraction has 5807 states and 8896 transitions. [2024-11-22 02:36:58,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 81.75) internal successors, (327), 5 states have internal predecessors, (327), 4 states have call successors, (221), 2 states have call predecessors, (221), 2 states have return successors, (220), 3 states have call predecessors, (220), 4 states have call successors, (220) [2024-11-22 02:36:58,963 INFO L276 IsEmpty]: Start isEmpty. Operand 5807 states and 8896 transitions. [2024-11-22 02:36:58,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1410 [2024-11-22 02:36:58,978 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:36:58,978 INFO L215 NwaCegarLoop]: trace histogram [210, 210, 210, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:36:58,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 02:36:58,979 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:36:58,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:36:58,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1477154358, now seen corresponding path program 1 times [2024-11-22 02:36:58,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:36:58,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736789101] [2024-11-22 02:36:58,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:36:58,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:36:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:37:00,355 INFO L134 CoverageAnalysis]: Checked inductivity of 87798 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 87788 trivial. 0 not checked. [2024-11-22 02:37:00,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:37:00,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736789101] [2024-11-22 02:37:00,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736789101] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:37:00,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:37:00,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:37:00,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490983352] [2024-11-22 02:37:00,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:37:00,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:37:00,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:37:00,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:37:00,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:37:00,359 INFO L87 Difference]: Start difference. First operand 5807 states and 8896 transitions. Second operand has 6 states, 6 states have (on average 55.666666666666664) internal successors, (334), 6 states have internal predecessors, (334), 3 states have call successors, (222), 2 states have call predecessors, (222), 4 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) [2024-11-22 02:37:04,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:37:04,890 INFO L93 Difference]: Finished difference Result 10961 states and 16811 transitions. [2024-11-22 02:37:04,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 02:37:04,894 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 55.666666666666664) internal successors, (334), 6 states have internal predecessors, (334), 3 states have call successors, (222), 2 states have call predecessors, (222), 4 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) Word has length 1409 [2024-11-22 02:37:04,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:37:04,941 INFO L225 Difference]: With dead ends: 10961 [2024-11-22 02:37:04,941 INFO L226 Difference]: Without dead ends: 5791 [2024-11-22 02:37:04,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-22 02:37:04,975 INFO L432 NwaCegarLoop]: 3833 mSDtfsCounter, 5626 mSDsluCounter, 1737 mSDsCounter, 0 mSdLazyCounter, 2188 mSolverCounterSat, 2123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5626 SdHoareTripleChecker+Valid, 5570 SdHoareTripleChecker+Invalid, 4311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2123 IncrementalHoareTripleChecker+Valid, 2188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:37:04,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5626 Valid, 5570 Invalid, 4311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2123 Valid, 2188 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-22 02:37:04,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5791 states. [2024-11-22 02:37:05,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5791 to 5791. [2024-11-22 02:37:05,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5791 states, 3499 states have (on average 1.266647613603887) internal successors, (4432), 3802 states have internal predecessors, (4432), 2205 states have call successors, (2205), 83 states have call predecessors, (2205), 86 states have return successors, (2229), 1958 states have call predecessors, (2229), 2204 states have call successors, (2229) [2024-11-22 02:37:05,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5791 states to 5791 states and 8866 transitions. [2024-11-22 02:37:05,775 INFO L78 Accepts]: Start accepts. Automaton has 5791 states and 8866 transitions. Word has length 1409 [2024-11-22 02:37:05,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:37:05,777 INFO L471 AbstractCegarLoop]: Abstraction has 5791 states and 8866 transitions. [2024-11-22 02:37:05,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 55.666666666666664) internal successors, (334), 6 states have internal predecessors, (334), 3 states have call successors, (222), 2 states have call predecessors, (222), 4 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) [2024-11-22 02:37:05,778 INFO L276 IsEmpty]: Start isEmpty. Operand 5791 states and 8866 transitions. [2024-11-22 02:37:05,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1411 [2024-11-22 02:37:05,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:37:05,793 INFO L215 NwaCegarLoop]: trace histogram [210, 210, 210, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:37:05,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 02:37:05,793 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:37:05,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:37:05,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1994334488, now seen corresponding path program 1 times [2024-11-22 02:37:05,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:37:05,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505551849] [2024-11-22 02:37:05,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:37:05,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:37:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:37:07,304 INFO L134 CoverageAnalysis]: Checked inductivity of 87798 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 87789 trivial. 0 not checked. [2024-11-22 02:37:07,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:37:07,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505551849] [2024-11-22 02:37:07,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505551849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:37:07,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:37:07,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:37:07,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543217908] [2024-11-22 02:37:07,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:37:07,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:37:07,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:37:07,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:37:07,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:37:07,310 INFO L87 Difference]: Start difference. First operand 5791 states and 8866 transitions. Second operand has 6 states, 6 states have (on average 55.666666666666664) internal successors, (334), 6 states have internal predecessors, (334), 3 states have call successors, (222), 2 states have call predecessors, (222), 4 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) [2024-11-22 02:37:11,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:37:11,926 INFO L93 Difference]: Finished difference Result 10941 states and 16760 transitions. [2024-11-22 02:37:11,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:37:11,926 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 55.666666666666664) internal successors, (334), 6 states have internal predecessors, (334), 3 states have call successors, (222), 2 states have call predecessors, (222), 4 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) Word has length 1410 [2024-11-22 02:37:11,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:37:11,965 INFO L225 Difference]: With dead ends: 10941 [2024-11-22 02:37:11,965 INFO L226 Difference]: Without dead ends: 5787 [2024-11-22 02:37:11,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:37:11,986 INFO L432 NwaCegarLoop]: 3792 mSDtfsCounter, 5122 mSDsluCounter, 3021 mSDsCounter, 0 mSdLazyCounter, 3885 mSolverCounterSat, 1734 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5122 SdHoareTripleChecker+Valid, 6813 SdHoareTripleChecker+Invalid, 5619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1734 IncrementalHoareTripleChecker+Valid, 3885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:37:11,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5122 Valid, 6813 Invalid, 5619 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1734 Valid, 3885 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-22 02:37:11,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5787 states. [2024-11-22 02:37:12,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5787 to 5785. [2024-11-22 02:37:12,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5785 states, 3495 states have (on average 1.2658082975679543) internal successors, (4424), 3798 states have internal predecessors, (4424), 2203 states have call successors, (2203), 83 states have call predecessors, (2203), 86 states have return successors, (2227), 1956 states have call predecessors, (2227), 2202 states have call successors, (2227) [2024-11-22 02:37:12,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5785 states to 5785 states and 8854 transitions. [2024-11-22 02:37:12,641 INFO L78 Accepts]: Start accepts. Automaton has 5785 states and 8854 transitions. Word has length 1410 [2024-11-22 02:37:12,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:37:12,642 INFO L471 AbstractCegarLoop]: Abstraction has 5785 states and 8854 transitions. [2024-11-22 02:37:12,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 55.666666666666664) internal successors, (334), 6 states have internal predecessors, (334), 3 states have call successors, (222), 2 states have call predecessors, (222), 4 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) [2024-11-22 02:37:12,643 INFO L276 IsEmpty]: Start isEmpty. Operand 5785 states and 8854 transitions. [2024-11-22 02:37:12,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1415 [2024-11-22 02:37:12,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:37:12,658 INFO L215 NwaCegarLoop]: trace histogram [210, 210, 210, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:37:12,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 02:37:12,659 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:37:12,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:37:12,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1081009208, now seen corresponding path program 1 times [2024-11-22 02:37:12,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:37:12,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99249473] [2024-11-22 02:37:12,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:37:12,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:37:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:37:14,028 INFO L134 CoverageAnalysis]: Checked inductivity of 87796 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 87788 trivial. 0 not checked. [2024-11-22 02:37:14,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:37:14,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99249473] [2024-11-22 02:37:14,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99249473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:37:14,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:37:14,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:37:14,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191688365] [2024-11-22 02:37:14,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:37:14,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:37:14,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:37:14,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:37:14,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:37:14,031 INFO L87 Difference]: Start difference. First operand 5785 states and 8854 transitions. Second operand has 6 states, 6 states have (on average 56.166666666666664) internal successors, (337), 6 states have internal predecessors, (337), 4 states have call successors, (223), 2 states have call predecessors, (223), 4 states have return successors, (222), 4 states have call predecessors, (222), 4 states have call successors, (222) [2024-11-22 02:37:18,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:37:18,283 INFO L93 Difference]: Finished difference Result 10929 states and 16739 transitions. [2024-11-22 02:37:18,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:37:18,284 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 56.166666666666664) internal successors, (337), 6 states have internal predecessors, (337), 4 states have call successors, (223), 2 states have call predecessors, (223), 4 states have return successors, (222), 4 states have call predecessors, (222), 4 states have call successors, (222) Word has length 1414 [2024-11-22 02:37:18,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:37:18,322 INFO L225 Difference]: With dead ends: 10929 [2024-11-22 02:37:18,323 INFO L226 Difference]: Without dead ends: 5781 [2024-11-22 02:37:18,341 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:37:18,342 INFO L432 NwaCegarLoop]: 3829 mSDtfsCounter, 4786 mSDsluCounter, 2667 mSDsCounter, 0 mSdLazyCounter, 3432 mSolverCounterSat, 1250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4786 SdHoareTripleChecker+Valid, 6496 SdHoareTripleChecker+Invalid, 4682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1250 IncrementalHoareTripleChecker+Valid, 3432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-22 02:37:18,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4786 Valid, 6496 Invalid, 4682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1250 Valid, 3432 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-22 02:37:18,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5781 states. [2024-11-22 02:37:19,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5781 to 5781. [2024-11-22 02:37:19,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5781 states, 3493 states have (on average 1.2653879186945318) internal successors, (4420), 3796 states have internal predecessors, (4420), 2201 states have call successors, (2201), 83 states have call predecessors, (2201), 86 states have return successors, (2225), 1954 states have call predecessors, (2225), 2200 states have call successors, (2225) [2024-11-22 02:37:19,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5781 states to 5781 states and 8846 transitions. [2024-11-22 02:37:19,055 INFO L78 Accepts]: Start accepts. Automaton has 5781 states and 8846 transitions. Word has length 1414 [2024-11-22 02:37:19,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:37:19,056 INFO L471 AbstractCegarLoop]: Abstraction has 5781 states and 8846 transitions. [2024-11-22 02:37:19,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 56.166666666666664) internal successors, (337), 6 states have internal predecessors, (337), 4 states have call successors, (223), 2 states have call predecessors, (223), 4 states have return successors, (222), 4 states have call predecessors, (222), 4 states have call successors, (222) [2024-11-22 02:37:19,056 INFO L276 IsEmpty]: Start isEmpty. Operand 5781 states and 8846 transitions. [2024-11-22 02:37:19,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1416 [2024-11-22 02:37:19,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:37:19,072 INFO L215 NwaCegarLoop]: trace histogram [210, 210, 210, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:37:19,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 02:37:19,072 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:37:19,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:37:19,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1588505762, now seen corresponding path program 1 times [2024-11-22 02:37:19,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:37:19,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686056724] [2024-11-22 02:37:19,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:37:19,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:37:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat