./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07086710-355e-46e9-8176-166049f46075/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07086710-355e-46e9-8176-166049f46075/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07086710-355e-46e9-8176-166049f46075/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07086710-355e-46e9-8176-166049f46075/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07086710-355e-46e9-8176-166049f46075/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07086710-355e-46e9-8176-166049f46075/bin/uautomizer-verify-aQ6SnzHsRB --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 17a6dd75e60112a7f7af78ca3548f5d14d93f1e305c1fc4e0acf996889e6f17b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:59:52,221 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:59:52,339 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07086710-355e-46e9-8176-166049f46075/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:59:52,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:59:52,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:59:52,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:59:52,388 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:59:52,388 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:59:52,389 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:59:52,389 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:59:52,390 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:59:52,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:59:52,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:59:52,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:59:52,391 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:59:52,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:59:52,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:59:52,392 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:59:52,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:59:52,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:59:52,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:59:52,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:59:52,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:59:52,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:59:52,393 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:59:52,393 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:59:52,393 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:59:52,394 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:59:52,394 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:59:52,394 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:59:52,394 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:59:52,394 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:59:52,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:59:52,394 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:59:52,394 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:59:52,395 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:59:52,395 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:59:52,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:59:52,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:59:52,395 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:59:52,395 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:59:52,395 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:59:52,395 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:59:52,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:59:52,397 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:59:52,397 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:59:52,397 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:59:52,397 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:59:52,397 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07086710-355e-46e9-8176-166049f46075/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 17a6dd75e60112a7f7af78ca3548f5d14d93f1e305c1fc4e0acf996889e6f17b [2024-11-28 03:59:52,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:59:52,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:59:52,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:59:52,816 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:59:52,817 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:59:52,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07086710-355e-46e9-8176-166049f46075/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M4.c [2024-11-28 03:59:56,065 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07086710-355e-46e9-8176-166049f46075/bin/uautomizer-verify-aQ6SnzHsRB/data/3e5d41ee0/bf548a404d4c4bf4a7de4132f09a523e/FLAGb082c33fa [2024-11-28 03:59:56,763 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:59:56,764 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07086710-355e-46e9-8176-166049f46075/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M4.c [2024-11-28 03:59:56,826 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07086710-355e-46e9-8176-166049f46075/bin/uautomizer-verify-aQ6SnzHsRB/data/3e5d41ee0/bf548a404d4c4bf4a7de4132f09a523e/FLAGb082c33fa [2024-11-28 03:59:57,137 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07086710-355e-46e9-8176-166049f46075/bin/uautomizer-verify-aQ6SnzHsRB/data/3e5d41ee0/bf548a404d4c4bf4a7de4132f09a523e [2024-11-28 03:59:57,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:59:57,145 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:59:57,147 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:59:57,147 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:59:57,152 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:59:57,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:59:57" (1/1) ... [2024-11-28 03:59:57,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5395310d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:59:57, skipping insertion in model container [2024-11-28 03:59:57,155 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:59:57" (1/1) ... [2024-11-28 03:59:57,376 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:59:57,705 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07086710-355e-46e9-8176-166049f46075/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M4.c[2275,2288] [2024-11-28 03:59:59,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:59:59,453 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:59:59,464 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.ok3.i","-S") [51] [2024-11-28 03:59:59,479 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07086710-355e-46e9-8176-166049f46075/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M4.c[2275,2288] [2024-11-28 04:00:00,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:00:00,793 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:00:00,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:00 WrapperNode [2024-11-28 04:00:00,795 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:00:00,796 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:00:00,796 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:00:00,798 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:00:00,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:00" (1/1) ... [2024-11-28 04:00:01,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:00" (1/1) ... [2024-11-28 04:00:03,592 INFO L138 Inliner]: procedures = 63, calls = 19692, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 42454 [2024-11-28 04:00:03,593 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:00:03,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:00:03,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:00:03,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:00:03,608 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:00" (1/1) ... [2024-11-28 04:00:03,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:00" (1/1) ... [2024-11-28 04:00:04,111 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:00" (1/1) ... [2024-11-28 04:00:04,376 INFO L175 MemorySlicer]: Split 15291 memory accesses to 22 slices as follows [2, 194, 17, 9, 2784, 8, 2, 3812, 2400, 1676, 1252, 852, 2, 325, 429, 325, 429, 325, 429, 8, 4, 7]. 25 percent of accesses are in the largest equivalence class. The 880 initializations are split as follows [2, 0, 8, 4, 96, 0, 0, 96, 8, 8, 4, 4, 0, 108, 108, 108, 108, 108, 108, 0, 0, 2]. The 977 writes are split as follows [0, 98, 1, 1, 96, 4, 1, 96, 8, 8, 4, 4, 1, 109, 107, 109, 107, 109, 107, 4, 0, 3]. [2024-11-28 04:00:04,379 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:00" (1/1) ... [2024-11-28 04:00:04,379 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:00" (1/1) ... [2024-11-28 04:00:05,588 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:00" (1/1) ... [2024-11-28 04:00:05,660 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:00" (1/1) ... [2024-11-28 04:00:05,760 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:00" (1/1) ... [2024-11-28 04:00:05,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:00" (1/1) ... [2024-11-28 04:00:06,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:00" (1/1) ... [2024-11-28 04:00:06,453 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:00:06,455 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:00:06,456 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:00:06,456 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:00:06,457 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:00" (1/1) ... [2024-11-28 04:00:06,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:00:06,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07086710-355e-46e9-8176-166049f46075/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:00:06,500 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07086710-355e-46e9-8176-166049f46075/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:00:06,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07086710-355e-46e9-8176-166049f46075/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:00:06,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:00:06,551 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-28 04:00:06,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-28 04:00:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-28 04:00:06,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-28 04:00:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 04:00:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 04:00:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 04:00:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 04:00:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 04:00:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 04:00:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 04:00:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 04:00:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 04:00:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 04:00:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 04:00:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 04:00:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 04:00:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 04:00:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 04:00:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 04:00:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-28 04:00:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-28 04:00:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-28 04:00:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-28 04:00:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-28 04:00:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-28 04:00:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:00:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-28 04:00:06,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-28 04:00:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-28 04:00:06,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-28 04:00:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2024-11-28 04:00:06,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2024-11-28 04:00:06,561 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-28 04:00:06,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-28 04:00:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 04:00:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 04:00:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 04:00:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 04:00:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 04:00:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 04:00:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 04:00:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 04:00:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 04:00:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 04:00:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 04:00:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 04:00:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 04:00:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 04:00:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 04:00:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 04:00:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 04:00:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-28 04:00:06,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-28 04:00:06,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-28 04:00:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-28 04:00:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-28 04:00:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-28 04:00:06,567 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-28 04:00:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-28 04:00:06,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-28 04:00:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-28 04:00:06,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-28 04:00:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-28 04:00:06,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-28 04:00:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:00:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2024-11-28 04:00:06,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2024-11-28 04:00:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:00:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:00:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 04:00:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 04:00:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 04:00:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 04:00:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 04:00:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 04:00:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 04:00:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 04:00:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 04:00:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 04:00:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 04:00:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 04:00:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 04:00:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 04:00:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 04:00:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-28 04:00:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-28 04:00:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-28 04:00:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-28 04:00:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-28 04:00:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-28 04:00:06,569 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-28 04:00:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-28 04:00:06,569 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-28 04:00:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-11-28 04:00:06,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-11-28 04:00:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:00:06,574 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:00:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:00:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:00:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 04:00:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 04:00:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 04:00:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 04:00:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 04:00:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 04:00:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 04:00:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 04:00:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 04:00:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 04:00:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 04:00:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 04:00:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 04:00:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 04:00:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 04:00:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-28 04:00:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-28 04:00:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-28 04:00:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-28 04:00:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-28 04:00:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:00:06,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:00:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-28 04:00:06,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-28 04:00:06,576 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-28 04:00:06,576 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-28 04:00:06,577 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-28 04:00:06,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-28 04:00:09,167 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:00:09,170 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:00:56,158 INFO L? ?]: Removed 303 outVars from TransFormulas that were not future-live. [2024-11-28 04:00:56,158 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:00:56,411 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:00:56,411 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 04:00:56,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:00:56 BoogieIcfgContainer [2024-11-28 04:00:56,412 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:00:56,414 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:00:56,415 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:00:56,423 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:00:56,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:59:57" (1/3) ... [2024-11-28 04:00:56,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c057e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:00:56, skipping insertion in model container [2024-11-28 04:00:56,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:00" (2/3) ... [2024-11-28 04:00:56,429 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c057e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:00:56, skipping insertion in model container [2024-11-28 04:00:56,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:00:56" (3/3) ... [2024-11-28 04:00:56,430 INFO L128 eAbstractionObserver]: Analyzing ICFG rekcba_nxt.3.M4.c [2024-11-28 04:00:56,449 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:00:56,452 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rekcba_nxt.3.M4.c that has 19 procedures, 12490 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:00:56,838 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:00:56,855 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;@5833be88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:00:56,855 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:00:56,895 INFO L276 IsEmpty]: Start isEmpty. Operand has 12490 states, 8127 states have (on average 1.311431032361265) internal successors, (10658), 8239 states have internal predecessors, (10658), 4343 states have call successors, (4343), 18 states have call predecessors, (4343), 18 states have return successors, (4343), 4341 states have call predecessors, (4343), 4343 states have call successors, (4343) [2024-11-28 04:00:57,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5259 [2024-11-28 04:00:57,543 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:00:57,548 INFO L218 NwaCegarLoop]: trace histogram [444, 444, 444, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:00:57,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:00:57,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1692148691, now seen corresponding path program 1 times [2024-11-28 04:00:57,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:00:57,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432655834] [2024-11-28 04:00:57,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:57,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:01:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:34,354 INFO L134 CoverageAnalysis]: Checked inductivity of 393384 backedges. 0 proven. 886 refuted. 0 times theorem prover too weak. 392498 trivial. 0 not checked. [2024-11-28 04:01:34,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:01:34,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432655834] [2024-11-28 04:01:34,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432655834] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:01:34,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942192173] [2024-11-28 04:01:34,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:34,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:34,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07086710-355e-46e9-8176-166049f46075/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:01:34,364 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07086710-355e-46e9-8176-166049f46075/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:01:34,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07086710-355e-46e9-8176-166049f46075/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:02:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:07,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 16602 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:02:07,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:02:08,183 INFO L134 CoverageAnalysis]: Checked inductivity of 393384 backedges. 886 proven. 0 refuted. 0 times theorem prover too weak. 392498 trivial. 0 not checked. [2024-11-28 04:02:08,183 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:02:08,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942192173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:02:08,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:02:08,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:02:08,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71595952] [2024-11-28 04:02:08,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:02:08,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:02:08,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:02:08,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:02:08,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:02:08,258 INFO L87 Difference]: Start difference. First operand has 12490 states, 8127 states have (on average 1.311431032361265) internal successors, (10658), 8239 states have internal predecessors, (10658), 4343 states have call successors, (4343), 18 states have call predecessors, (4343), 18 states have return successors, (4343), 4341 states have call predecessors, (4343), 4343 states have call successors, (4343) Second operand has 2 states, 2 states have (on average 1521.0) internal successors, (3042), 2 states have internal predecessors, (3042), 2 states have call successors, (445), 2 states have call predecessors, (445), 1 states have return successors, (444), 1 states have call predecessors, (444), 2 states have call successors, (444) [2024-11-28 04:02:09,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:02:09,212 INFO L93 Difference]: Finished difference Result 24975 states and 43007 transitions. [2024-11-28 04:02:09,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:02:09,220 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 1521.0) internal successors, (3042), 2 states have internal predecessors, (3042), 2 states have call successors, (445), 2 states have call predecessors, (445), 1 states have return successors, (444), 1 states have call predecessors, (444), 2 states have call successors, (444) Word has length 5258 [2024-11-28 04:02:09,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:02:09,352 INFO L225 Difference]: With dead ends: 24975 [2024-11-28 04:02:09,352 INFO L226 Difference]: Without dead ends: 12482 [2024-11-28 04:02:09,444 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5259 GetRequests, 5259 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:02:09,447 INFO L435 NwaCegarLoop]: 19341 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, 19341 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:02:09,451 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19341 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:02:09,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12482 states. [2024-11-28 04:02:20,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12482 to 12482. [2024-11-28 04:02:20,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12482 states, 8120 states have (on average 1.311206896551724) internal successors, (10647), 8232 states have internal predecessors, (10647), 4343 states have call successors, (4343), 18 states have call predecessors, (4343), 18 states have return successors, (4342), 4340 states have call predecessors, (4342), 4342 states have call successors, (4342) [2024-11-28 04:02:20,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12482 states to 12482 states and 19332 transitions. [2024-11-28 04:02:20,875 INFO L78 Accepts]: Start accepts. Automaton has 12482 states and 19332 transitions. Word has length 5258 [2024-11-28 04:02:20,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:02:20,879 INFO L471 AbstractCegarLoop]: Abstraction has 12482 states and 19332 transitions. [2024-11-28 04:02:20,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1521.0) internal successors, (3042), 2 states have internal predecessors, (3042), 2 states have call successors, (445), 2 states have call predecessors, (445), 1 states have return successors, (444), 1 states have call predecessors, (444), 2 states have call successors, (444) [2024-11-28 04:02:20,884 INFO L276 IsEmpty]: Start isEmpty. Operand 12482 states and 19332 transitions. [2024-11-28 04:02:21,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5259 [2024-11-28 04:02:21,225 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:02:21,227 INFO L218 NwaCegarLoop]: trace histogram [444, 444, 444, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07086710-355e-46e9-8176-166049f46075/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:02:21,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07086710-355e-46e9-8176-166049f46075/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 04:02:21,429 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:02:21,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:02:21,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1171943801, now seen corresponding path program 1 times [2024-11-28 04:02:21,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:02:21,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358427579] [2024-11-28 04:02:21,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:21,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:03:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:41,835 INFO L134 CoverageAnalysis]: Checked inductivity of 393384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 393384 trivial. 0 not checked. [2024-11-28 04:03:41,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:03:41,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358427579] [2024-11-28 04:03:41,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358427579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:03:41,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:03:41,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:03:41,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47247875] [2024-11-28 04:03:41,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:03:41,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:03:41,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:03:41,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:03:41,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:03:41,853 INFO L87 Difference]: Start difference. First operand 12482 states and 19332 transitions. Second operand has 6 states, 5 states have (on average 608.0) internal successors, (3040), 5 states have internal predecessors, (3040), 2 states have call successors, (445), 2 states have call predecessors, (445), 1 states have return successors, (444), 1 states have call predecessors, (444), 1 states have call successors, (444) [2024-11-28 04:03:46,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:46,637 INFO L93 Difference]: Finished difference Result 14016 states and 21746 transitions. [2024-11-28 04:03:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:03:46,639 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 608.0) internal successors, (3040), 5 states have internal predecessors, (3040), 2 states have call successors, (445), 2 states have call predecessors, (445), 1 states have return successors, (444), 1 states have call predecessors, (444), 1 states have call successors, (444) Word has length 5258 [2024-11-28 04:03:46,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:46,781 INFO L225 Difference]: With dead ends: 14016 [2024-11-28 04:03:46,782 INFO L226 Difference]: Without dead ends: 14014 [2024-11-28 04:03:46,791 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:03:46,792 INFO L435 NwaCegarLoop]: 19251 mSDtfsCounter, 15858 mSDsluCounter, 59767 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15858 SdHoareTripleChecker+Valid, 79018 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.6s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:46,793 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15858 Valid, 79018 Invalid, 703 Unknown, 0 Unchecked, 0.6s Time], IncrementalHoareTripleChecker [3 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-28 04:03:46,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14014 states. [2024-11-28 04:04:04,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14014 to 14012. [2024-11-28 04:04:04,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14012 states, 8972 states have (on average 1.2970352206865805) internal successors, (11637), 9182 states have internal predecessors, (11637), 5006 states have call successors, (5006), 33 states have call predecessors, (5006), 33 states have return successors, (5100), 5001 states have call predecessors, (5100), 5004 states have call successors, (5100) [2024-11-28 04:04:04,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14012 states to 14012 states and 21743 transitions. [2024-11-28 04:04:04,960 INFO L78 Accepts]: Start accepts. Automaton has 14012 states and 21743 transitions. Word has length 5258 [2024-11-28 04:04:04,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:04:04,973 INFO L471 AbstractCegarLoop]: Abstraction has 14012 states and 21743 transitions. [2024-11-28 04:04:04,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 608.0) internal successors, (3040), 5 states have internal predecessors, (3040), 2 states have call successors, (445), 2 states have call predecessors, (445), 1 states have return successors, (444), 1 states have call predecessors, (444), 1 states have call successors, (444) [2024-11-28 04:04:04,974 INFO L276 IsEmpty]: Start isEmpty. Operand 14012 states and 21743 transitions. [2024-11-28 04:04:05,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5265 [2024-11-28 04:04:05,330 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:04:05,332 INFO L218 NwaCegarLoop]: trace histogram [444, 444, 444, 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, 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04:04:05,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:04:05,333 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:04:05,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:04:05,336 INFO L85 PathProgramCache]: Analyzing trace with hash 446099288, now seen corresponding path program 1 times [2024-11-28 04:04:05,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:04:05,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165396605] [2024-11-28 04:04:05,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:04:05,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:05:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:05:39,578 INFO L134 CoverageAnalysis]: Checked inductivity of 393386 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 393384 trivial. 0 not checked. [2024-11-28 04:05:39,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:05:39,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165396605] [2024-11-28 04:05:39,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165396605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:05:39,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:05:39,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:05:39,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448762413] [2024-11-28 04:05:39,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:05:39,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:05:39,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:05:39,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:05:39,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:05:39,606 INFO L87 Difference]: Start difference. First operand 14012 states and 21743 transitions. Second operand has 6 states, 5 states have (on average 608.8) internal successors, (3044), 5 states have internal predecessors, (3044), 2 states have call successors, (446), 2 states have call predecessors, (446), 1 states have return successors, (445), 1 states have call predecessors, (445), 1 states have call successors, (445) [2024-11-28 04:05:45,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:05:45,219 INFO L93 Difference]: Finished difference Result 14020 states and 21749 transitions. [2024-11-28 04:05:45,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:05:45,222 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 608.8) internal successors, (3044), 5 states have internal predecessors, (3044), 2 states have call successors, (446), 2 states have call predecessors, (446), 1 states have return successors, (445), 1 states have call predecessors, (445), 1 states have call successors, (445) Word has length 5264 [2024-11-28 04:05:45,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:05:45,367 INFO L225 Difference]: With dead ends: 14020 [2024-11-28 04:05:45,367 INFO L226 Difference]: Without dead ends: 14018 [2024-11-28 04:05:45,383 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:05:45,385 INFO L435 NwaCegarLoop]: 19254 mSDtfsCounter, 15853 mSDsluCounter, 59771 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15853 SdHoareTripleChecker+Valid, 79025 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.9s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:05:45,386 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15853 Valid, 79025 Invalid, 704 Unknown, 0 Unchecked, 0.9s Time], IncrementalHoareTripleChecker [3 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-28 04:05:45,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14018 states. [2024-11-28 04:06:11,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14018 to 14016. [2024-11-28 04:06:11,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14016 states, 8975 states have (on average 1.2969359331476322) internal successors, (11640), 9185 states have internal predecessors, (11640), 5006 states have call successors, (5006), 34 states have call predecessors, (5006), 34 states have return successors, (5100), 5001 states have call predecessors, (5100), 5004 states have call successors, (5100) [2024-11-28 04:06:11,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14016 states to 14016 states and 21746 transitions. [2024-11-28 04:06:11,460 INFO L78 Accepts]: Start accepts. Automaton has 14016 states and 21746 transitions. Word has length 5264 [2024-11-28 04:06:11,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:06:11,473 INFO L471 AbstractCegarLoop]: Abstraction has 14016 states and 21746 transitions. [2024-11-28 04:06:11,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 608.8) internal successors, (3044), 5 states have internal predecessors, (3044), 2 states have call successors, (446), 2 states have call predecessors, (446), 1 states have return successors, (445), 1 states have call predecessors, (445), 1 states have call successors, (445) [2024-11-28 04:06:11,475 INFO L276 IsEmpty]: Start isEmpty. Operand 14016 states and 21746 transitions. [2024-11-28 04:06:12,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5271 [2024-11-28 04:06:12,357 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:06:12,364 INFO L218 NwaCegarLoop]: trace histogram [444, 444, 444, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-11-28 04:06:12,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:06:12,365 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:06:12,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:06:12,375 INFO L85 PathProgramCache]: Analyzing trace with hash -178908427, now seen corresponding path program 1 times [2024-11-28 04:06:12,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:06:12,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133779348] [2024-11-28 04:06:12,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:06:12,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:07:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:51,598 INFO L134 CoverageAnalysis]: Checked inductivity of 393392 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 393388 trivial. 0 not checked. [2024-11-28 04:07:51,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:07:51,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133779348] [2024-11-28 04:07:51,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133779348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:51,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:07:51,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:07:51,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176056979] [2024-11-28 04:07:51,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:51,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:07:51,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:07:51,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:07:51,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:07:51,623 INFO L87 Difference]: Start difference. First operand 14016 states and 21746 transitions. Second operand has 6 states, 5 states have (on average 609.0) internal successors, (3045), 5 states have internal predecessors, (3045), 2 states have call successors, (447), 2 states have call predecessors, (447), 1 states have return successors, (446), 1 states have call predecessors, (446), 1 states have call successors, (446) [2024-11-28 04:07:55,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:07:55,016 INFO L93 Difference]: Finished difference Result 14024 states and 21752 transitions. [2024-11-28 04:07:55,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:07:55,018 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 609.0) internal successors, (3045), 5 states have internal predecessors, (3045), 2 states have call successors, (447), 2 states have call predecessors, (447), 1 states have return successors, (446), 1 states have call predecessors, (446), 1 states have call successors, (446) Word has length 5270 [2024-11-28 04:07:55,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:07:55,107 INFO L225 Difference]: With dead ends: 14024 [2024-11-28 04:07:55,109 INFO L226 Difference]: Without dead ends: 14022 [2024-11-28 04:07:55,117 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:07:55,119 INFO L435 NwaCegarLoop]: 19254 mSDtfsCounter, 15851 mSDsluCounter, 59771 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15851 SdHoareTripleChecker+Valid, 79025 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:07:55,123 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15851 Valid, 79025 Invalid, 704 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-28 04:07:55,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14022 states. [2024-11-28 04:08:14,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14022 to 14020. [2024-11-28 04:08:14,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14020 states, 8978 states have (on average 1.2968367119625752) internal successors, (11643), 9188 states have internal predecessors, (11643), 5006 states have call successors, (5006), 35 states have call predecessors, (5006), 35 states have return successors, (5100), 5001 states have call predecessors, (5100), 5004 states have call successors, (5100) [2024-11-28 04:08:14,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14020 states to 14020 states and 21749 transitions. [2024-11-28 04:08:14,298 INFO L78 Accepts]: Start accepts. Automaton has 14020 states and 21749 transitions. Word has length 5270 [2024-11-28 04:08:14,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:08:14,303 INFO L471 AbstractCegarLoop]: Abstraction has 14020 states and 21749 transitions. [2024-11-28 04:08:14,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 609.0) internal successors, (3045), 5 states have internal predecessors, (3045), 2 states have call successors, (447), 2 states have call predecessors, (447), 1 states have return successors, (446), 1 states have call predecessors, (446), 1 states have call successors, (446) [2024-11-28 04:08:14,305 INFO L276 IsEmpty]: Start isEmpty. Operand 14020 states and 21749 transitions. [2024-11-28 04:08:14,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5277 [2024-11-28 04:08:14,538 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:08:14,540 INFO L218 NwaCegarLoop]: trace histogram [444, 444, 444, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1] [2024-11-28 04:08:14,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:08:14,541 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:08:14,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:14,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1940395472, now seen corresponding path program 1 times [2024-11-28 04:08:14,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:14,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50068749] [2024-11-28 04:08:14,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:14,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:42,897 INFO L134 CoverageAnalysis]: Checked inductivity of 393402 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 393396 trivial. 0 not checked. [2024-11-28 04:09:42,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:09:42,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50068749] [2024-11-28 04:09:42,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50068749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:09:42,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:09:42,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:09:42,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706264580] [2024-11-28 04:09:42,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:09:42,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:09:42,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:09:42,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:09:42,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:09:42,908 INFO L87 Difference]: Start difference. First operand 14020 states and 21749 transitions. Second operand has 6 states, 5 states have (on average 609.2) internal successors, (3046), 5 states have internal predecessors, (3046), 2 states have call successors, (448), 2 states have call predecessors, (448), 1 states have return successors, (447), 1 states have call predecessors, (447), 1 states have call successors, (447) [2024-11-28 04:09:45,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:09:45,048 INFO L93 Difference]: Finished difference Result 14028 states and 21755 transitions. [2024-11-28 04:09:45,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:09:45,049 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 609.2) internal successors, (3046), 5 states have internal predecessors, (3046), 2 states have call successors, (448), 2 states have call predecessors, (448), 1 states have return successors, (447), 1 states have call predecessors, (447), 1 states have call successors, (447) Word has length 5276 [2024-11-28 04:09:45,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:09:45,133 INFO L225 Difference]: With dead ends: 14028 [2024-11-28 04:09:45,133 INFO L226 Difference]: Without dead ends: 14026 [2024-11-28 04:09:45,147 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:09:45,148 INFO L435 NwaCegarLoop]: 19254 mSDtfsCounter, 15849 mSDsluCounter, 59771 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15849 SdHoareTripleChecker+Valid, 79025 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:09:45,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15849 Valid, 79025 Invalid, 704 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 04:09:45,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14026 states. [2024-11-28 04:10:05,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14026 to 14024. [2024-11-28 04:10:05,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14024 states, 8981 states have (on average 1.296737557064915) internal successors, (11646), 9191 states have internal predecessors, (11646), 5006 states have call successors, (5006), 36 states have call predecessors, (5006), 36 states have return successors, (5100), 5001 states have call predecessors, (5100), 5004 states have call successors, (5100) [2024-11-28 04:10:05,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14024 states to 14024 states and 21752 transitions. [2024-11-28 04:10:05,619 INFO L78 Accepts]: Start accepts. Automaton has 14024 states and 21752 transitions. Word has length 5276 [2024-11-28 04:10:05,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:10:05,624 INFO L471 AbstractCegarLoop]: Abstraction has 14024 states and 21752 transitions. [2024-11-28 04:10:05,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 609.2) internal successors, (3046), 5 states have internal predecessors, (3046), 2 states have call successors, (448), 2 states have call predecessors, (448), 1 states have return successors, (447), 1 states have call predecessors, (447), 1 states have call successors, (447) [2024-11-28 04:10:05,625 INFO L276 IsEmpty]: Start isEmpty. Operand 14024 states and 21752 transitions. [2024-11-28 04:10:05,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5283 [2024-11-28 04:10:05,969 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:10:05,971 INFO L218 NwaCegarLoop]: trace histogram [444, 444, 444, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1] [2024-11-28 04:10:05,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:10:05,972 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:10:05,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:10:05,977 INFO L85 PathProgramCache]: Analyzing trace with hash 2104234345, now seen corresponding path program 1 times [2024-11-28 04:10:05,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:10:05,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327504879] [2024-11-28 04:10:05,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:10:05,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:10:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat