./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-1.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_7f67c112-11d5-48c4-9bbf-664eef7484e7/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f67c112-11d5-48c4-9bbf-664eef7484e7/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_7f67c112-11d5-48c4-9bbf-664eef7484e7/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f67c112-11d5-48c4-9bbf-664eef7484e7/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f67c112-11d5-48c4-9bbf-664eef7484e7/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_7f67c112-11d5-48c4-9bbf-664eef7484e7/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 2d62eb188ec8009366dfdca221ff91e65711c28198c7f8ea6438b1bcf863cd3f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:54:44,220 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:54:44,343 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f67c112-11d5-48c4-9bbf-664eef7484e7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:54:44,350 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:54:44,354 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:54:44,399 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:54:44,399 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:54:44,400 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:54:44,400 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:54:44,400 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:54:44,403 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:54:44,403 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:54:44,404 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:54:44,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:54:44,404 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:54:44,406 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:54:44,406 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:54:44,407 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:54:44,407 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:54:44,407 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:54:44,407 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:54:44,407 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:54:44,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:54:44,407 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:54:44,407 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:54:44,407 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:54:44,407 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:54:44,407 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:54:44,408 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:54:44,408 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:54:44,408 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:54:44,408 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:54:44,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:54:44,408 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:54:44,409 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:54:44,410 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:54:44,410 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:54:44,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:54:44,410 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:54:44,410 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:54:44,410 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:54:44,411 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:54:44,411 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:54:44,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:54:44,411 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:54:44,411 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:54:44,412 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:54:44,412 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:54:44,412 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_7f67c112-11d5-48c4-9bbf-664eef7484e7/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 -> 2d62eb188ec8009366dfdca221ff91e65711c28198c7f8ea6438b1bcf863cd3f [2024-11-28 02:54:44,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:54:44,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:54:44,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:54:44,814 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:54:44,814 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:54:44,816 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f67c112-11d5-48c4-9bbf-664eef7484e7/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-1.c [2024-11-28 02:54:48,201 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f67c112-11d5-48c4-9bbf-664eef7484e7/bin/uautomizer-verify-aQ6SnzHsRB/data/698acc633/45b1225d2d1f4a38b5b26109220f7c86/FLAGd31a4e7d3 [2024-11-28 02:54:48,915 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:54:48,916 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f67c112-11d5-48c4-9bbf-664eef7484e7/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-1.c [2024-11-28 02:54:48,966 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f67c112-11d5-48c4-9bbf-664eef7484e7/bin/uautomizer-verify-aQ6SnzHsRB/data/698acc633/45b1225d2d1f4a38b5b26109220f7c86/FLAGd31a4e7d3 [2024-11-28 02:54:49,287 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f67c112-11d5-48c4-9bbf-664eef7484e7/bin/uautomizer-verify-aQ6SnzHsRB/data/698acc633/45b1225d2d1f4a38b5b26109220f7c86 [2024-11-28 02:54:49,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:54:49,291 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:54:49,293 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:54:49,293 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:54:49,299 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:54:49,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:54:49" (1/1) ... [2024-11-28 02:54:49,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7db7dde1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:49, skipping insertion in model container [2024-11-28 02:54:49,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:54:49" (1/1) ... [2024-11-28 02:54:49,565 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:54:49,869 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_7f67c112-11d5-48c4-9bbf-664eef7484e7/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-1.c[2836,2849] [2024-11-28 02:54:51,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:54:51,702 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:54:51,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.bug2.i","-S") [61] [2024-11-28 02:54:51,733 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_7f67c112-11d5-48c4-9bbf-664eef7484e7/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-1.c[2836,2849] [2024-11-28 02:54:53,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:54:53,300 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:54:53,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:53 WrapperNode [2024-11-28 02:54:53,303 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:54:53,304 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:54:53,305 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:54:53,305 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:54:53,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:53" (1/1) ... [2024-11-28 02:54:53,840 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:53" (1/1) ... [2024-11-28 02:54:56,404 INFO L138 Inliner]: procedures = 64, calls = 20729, calls flagged for inlining = 22, calls inlined = 22, statements flattened = 44152 [2024-11-28 02:54:56,408 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:54:56,410 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:54:56,410 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:54:56,410 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:54:56,433 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:53" (1/1) ... [2024-11-28 02:54:56,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:53" (1/1) ... [2024-11-28 02:54:57,169 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:53" (1/1) ... [2024-11-28 02:54:57,475 INFO L175 MemorySlicer]: Split 16153 memory accesses to 27 slices as follows [4, 7, 8, 2, 194, 17, 9, 194, 17, 9, 2784, 2, 3760, 2408, 1672, 1188, 8, 852, 325, 2, 429, 325, 429, 325, 429, 325, 429]. 23 percent of accesses are in the largest equivalence class. The 1108 initializations are split as follows [0, 2, 0, 2, 0, 8, 4, 0, 8, 4, 96, 0, 96, 8, 8, 4, 0, 4, 108, 0, 108, 108, 108, 108, 108, 108, 108]. The 1293 writes are split as follows [0, 3, 4, 0, 98, 1, 1, 98, 1, 1, 96, 1, 96, 8, 8, 4, 4, 4, 109, 1, 107, 109, 107, 109, 107, 109, 107]. [2024-11-28 02:54:57,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:53" (1/1) ... [2024-11-28 02:54:57,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:53" (1/1) ... [2024-11-28 02:54:58,753 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:53" (1/1) ... [2024-11-28 02:54:58,827 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:53" (1/1) ... [2024-11-28 02:54:58,944 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:53" (1/1) ... [2024-11-28 02:54:59,048 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:53" (1/1) ... [2024-11-28 02:54:59,130 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:53" (1/1) ... [2024-11-28 02:54:59,413 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:54:59,415 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:54:59,416 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:54:59,416 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:54:59,418 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:53" (1/1) ... [2024-11-28 02:54:59,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:54:59,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f67c112-11d5-48c4-9bbf-664eef7484e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:54:59,455 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f67c112-11d5-48c4-9bbf-664eef7484e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:54:59,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f67c112-11d5-48c4-9bbf-664eef7484e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:54:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:54:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2024-11-28 02:54:59,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2024-11-28 02:54:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-28 02:54:59,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-28 02:54:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-28 02:54:59,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-28 02:54:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 02:54:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 02:54:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 02:54:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 02:54:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 02:54:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 02:54:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 02:54:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 02:54:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 02:54:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 02:54:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 02:54:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 02:54:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 02:54:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 02:54:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 02:54:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 02:54:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-28 02:54:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-28 02:54:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-28 02:54:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-28 02:54:59,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-28 02:54:59,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-28 02:54:59,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-28 02:54:59,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-28 02:54:59,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-11-28 02:54:59,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-11-28 02:54:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-11-28 02:54:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 02:54:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-28 02:54:59,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-28 02:54:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-28 02:54:59,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-28 02:54:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-28 02:54:59,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-28 02:54:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:54:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 02:54:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 02:54:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 02:54:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 02:54:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 02:54:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 02:54:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 02:54:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 02:54:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 02:54:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 02:54:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 02:54:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 02:54:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 02:54:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 02:54:59,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 02:54:59,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 02:54:59,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-28 02:54:59,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-28 02:54:59,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-28 02:54:59,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-28 02:54:59,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-28 02:54:59,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-28 02:54:59,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-28 02:54:59,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-28 02:54:59,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-28 02:54:59,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-28 02:54:59,506 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-28 02:54:59,506 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-28 02:54:59,506 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-28 02:54:59,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-28 02:54:59,506 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2024-11-28 02:54:59,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2024-11-28 02:54:59,506 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-28 02:54:59,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-28 02:54:59,506 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-28 02:54:59,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-28 02:54:59,506 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-28 02:54:59,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-28 02:54:59,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 02:54:59,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 02:54:59,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 02:54:59,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 02:54:59,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 02:54:59,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 02:54:59,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 02:54:59,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 02:54:59,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 02:54:59,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 02:54:59,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 02:54:59,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 02:54:59,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 02:54:59,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 02:54:59,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 02:54:59,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 02:54:59,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 02:54:59,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 02:54:59,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-28 02:54:59,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-28 02:54:59,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-28 02:54:59,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-28 02:54:59,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-28 02:54:59,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-28 02:54:59,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-28 02:54:59,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-28 02:54:59,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-28 02:54:59,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-28 02:54:59,511 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-28 02:54:59,511 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-28 02:54:59,511 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-28 02:54:59,511 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-28 02:54:59,511 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2024-11-28 02:54:59,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2024-11-28 02:54:59,512 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-11-28 02:54:59,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-11-28 02:54:59,512 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:54:59,512 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:54:59,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:54:59,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 02:54:59,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 02:54:59,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 02:54:59,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 02:54:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 02:54:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 02:54:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 02:54:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 02:54:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 02:54:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 02:54:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 02:54:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 02:54:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 02:54:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 02:54:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 02:54:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 02:54:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-28 02:54:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-28 02:54:59,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-28 02:54:59,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-28 02:54:59,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-28 02:54:59,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-28 02:54:59,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-28 02:54:59,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-28 02:54:59,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-28 02:54:59,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-28 02:54:59,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:54:59,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:54:59,517 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-28 02:54:59,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-28 02:54:59,517 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-28 02:54:59,517 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-28 02:54:59,517 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-28 02:54:59,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-28 02:54:59,517 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2024-11-28 02:54:59,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2024-11-28 02:55:02,183 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:55:02,186 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:55:49,099 INFO L? ?]: Removed 340 outVars from TransFormulas that were not future-live. [2024-11-28 02:55:49,099 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:55:49,291 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:55:49,292 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 02:55:49,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:55:49 BoogieIcfgContainer [2024-11-28 02:55:49,292 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:55:49,294 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:55:49,294 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:55:49,301 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:55:49,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:54:49" (1/3) ... [2024-11-28 02:55:49,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6adb24c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:55:49, skipping insertion in model container [2024-11-28 02:55:49,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:53" (2/3) ... [2024-11-28 02:55:49,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6adb24c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:55:49, skipping insertion in model container [2024-11-28 02:55:49,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:55:49" (3/3) ... [2024-11-28 02:55:49,307 INFO L128 eAbstractionObserver]: Analyzing ICFG rekcba_aso.2.M4-1.c [2024-11-28 02:55:49,324 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:55:49,327 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rekcba_aso.2.M4-1.c that has 22 procedures, 12868 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:55:49,711 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:55:49,728 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;@482c5787, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:55:49,728 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:55:49,768 INFO L276 IsEmpty]: Start isEmpty. Operand has 12868 states, 8328 states have (on average 1.3061959654178674) internal successors, (10878), 8441 states have internal predecessors, (10878), 4517 states have call successors, (4517), 21 states have call predecessors, (4517), 21 states have return successors, (4517), 4514 states have call predecessors, (4517), 4517 states have call successors, (4517) [2024-11-28 02:55:50,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5901 [2024-11-28 02:55:50,666 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:50,671 INFO L218 NwaCegarLoop]: trace histogram [551, 551, 551, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:55:50,672 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:55:50,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:50,683 INFO L85 PathProgramCache]: Analyzing trace with hash 394990495, now seen corresponding path program 1 times [2024-11-28 02:55:50,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:55:50,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30153309] [2024-11-28 02:55:50,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:50,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:56:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:56:35,078 INFO L134 CoverageAnalysis]: Checked inductivity of 606100 backedges. 0 proven. 1100 refuted. 0 times theorem prover too weak. 605000 trivial. 0 not checked. [2024-11-28 02:56:35,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:56:35,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30153309] [2024-11-28 02:56:35,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30153309] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:56:35,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238194541] [2024-11-28 02:56:35,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:35,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:56:35,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f67c112-11d5-48c4-9bbf-664eef7484e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:56:35,089 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f67c112-11d5-48c4-9bbf-664eef7484e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:56:35,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f67c112-11d5-48c4-9bbf-664eef7484e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:57:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:19,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 19438 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:57:19,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:57:20,356 INFO L134 CoverageAnalysis]: Checked inductivity of 606100 backedges. 1100 proven. 0 refuted. 0 times theorem prover too weak. 605000 trivial. 0 not checked. [2024-11-28 02:57:20,357 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:57:20,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238194541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:20,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:57:20,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:57:20,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487803112] [2024-11-28 02:57:20,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:20,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:57:20,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:20,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:57:20,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:57:20,451 INFO L87 Difference]: Start difference. First operand has 12868 states, 8328 states have (on average 1.3061959654178674) internal successors, (10878), 8441 states have internal predecessors, (10878), 4517 states have call successors, (4517), 21 states have call predecessors, (4517), 21 states have return successors, (4517), 4514 states have call predecessors, (4517), 4517 states have call successors, (4517) Second operand has 2 states, 2 states have (on average 1574.5) internal successors, (3149), 2 states have internal predecessors, (3149), 2 states have call successors, (552), 2 states have call predecessors, (552), 1 states have return successors, (551), 1 states have call predecessors, (551), 2 states have call successors, (551) [2024-11-28 02:57:21,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:57:21,190 INFO L93 Difference]: Finished difference Result 25731 states and 44315 transitions. [2024-11-28 02:57:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:57:21,197 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 1574.5) internal successors, (3149), 2 states have internal predecessors, (3149), 2 states have call successors, (552), 2 states have call predecessors, (552), 1 states have return successors, (551), 1 states have call predecessors, (551), 2 states have call successors, (551) Word has length 5900 [2024-11-28 02:57:21,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:57:21,328 INFO L225 Difference]: With dead ends: 25731 [2024-11-28 02:57:21,329 INFO L226 Difference]: Without dead ends: 12860 [2024-11-28 02:57:21,422 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5901 GetRequests, 5901 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 02:57:21,426 INFO L435 NwaCegarLoop]: 19909 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, 19909 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 02:57:21,427 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19909 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:57:21,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12860 states. [2024-11-28 02:57:31,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12860 to 12860. [2024-11-28 02:57:31,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12860 states, 8321 states have (on average 1.3059728398029082) internal successors, (10867), 8434 states have internal predecessors, (10867), 4517 states have call successors, (4517), 21 states have call predecessors, (4517), 21 states have return successors, (4516), 4513 states have call predecessors, (4516), 4516 states have call successors, (4516) [2024-11-28 02:57:31,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12860 states to 12860 states and 19900 transitions. [2024-11-28 02:57:32,019 INFO L78 Accepts]: Start accepts. Automaton has 12860 states and 19900 transitions. Word has length 5900 [2024-11-28 02:57:32,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:57:32,023 INFO L471 AbstractCegarLoop]: Abstraction has 12860 states and 19900 transitions. [2024-11-28 02:57:32,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1574.5) internal successors, (3149), 2 states have internal predecessors, (3149), 2 states have call successors, (552), 2 states have call predecessors, (552), 1 states have return successors, (551), 1 states have call predecessors, (551), 2 states have call successors, (551) [2024-11-28 02:57:32,029 INFO L276 IsEmpty]: Start isEmpty. Operand 12860 states and 19900 transitions. [2024-11-28 02:57:32,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5901 [2024-11-28 02:57:32,460 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:57:32,463 INFO L218 NwaCegarLoop]: trace histogram [551, 551, 551, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:32,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f67c112-11d5-48c4-9bbf-664eef7484e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 02:57:32,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f67c112-11d5-48c4-9bbf-664eef7484e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 02:57:32,664 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:57:32,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:32,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1595031999, now seen corresponding path program 1 times [2024-11-28 02:57:32,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:32,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753094543] [2024-11-28 02:57:32,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:32,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:06,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:59,738 INFO L134 CoverageAnalysis]: Checked inductivity of 606100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 606100 trivial. 0 not checked. [2024-11-28 02:59:59,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:59,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753094543] [2024-11-28 02:59:59,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753094543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:59,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:59,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:59:59,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422241141] [2024-11-28 02:59:59,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:59,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:59:59,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:59,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:59:59,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:59:59,804 INFO L87 Difference]: Start difference. First operand 12860 states and 19900 transitions. Second operand has 6 states, 5 states have (on average 629.4) internal successors, (3147), 5 states have internal predecessors, (3147), 2 states have call successors, (552), 2 states have call predecessors, (552), 1 states have return successors, (551), 1 states have call predecessors, (551), 1 states have call successors, (551) [2024-11-28 03:00:04,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:04,471 INFO L93 Difference]: Finished difference Result 14993 states and 23119 transitions. [2024-11-28 03:00:04,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:00:04,481 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 629.4) internal successors, (3147), 5 states have internal predecessors, (3147), 2 states have call successors, (552), 2 states have call predecessors, (552), 1 states have return successors, (551), 1 states have call predecessors, (551), 1 states have call successors, (551) Word has length 5900 [2024-11-28 03:00:04,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:04,686 INFO L225 Difference]: With dead ends: 14993 [2024-11-28 03:00:04,687 INFO L226 Difference]: Without dead ends: 14991 [2024-11-28 03:00:04,701 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:00:04,704 INFO L435 NwaCegarLoop]: 19800 mSDtfsCounter, 16212 mSDsluCounter, 62298 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16212 SdHoareTripleChecker+Valid, 82098 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.6s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:04,709 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16212 Valid, 82098 Invalid, 719 Unknown, 0 Unchecked, 0.6s Time], IncrementalHoareTripleChecker [3 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-28 03:00:04,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14991 states. [2024-11-28 03:00:33,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14991 to 14989. [2024-11-28 03:00:33,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14989 states, 9499 states have (on average 1.2866617538688283) internal successors, (12222), 9723 states have internal predecessors, (12222), 5446 states have call successors, (5446), 43 states have call predecessors, (5446), 43 states have return successors, (5448), 5439 states have call predecessors, (5448), 5444 states have call successors, (5448) [2024-11-28 03:00:34,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14989 states to 14989 states and 23116 transitions. [2024-11-28 03:00:34,057 INFO L78 Accepts]: Start accepts. Automaton has 14989 states and 23116 transitions. Word has length 5900 [2024-11-28 03:00:34,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:34,077 INFO L471 AbstractCegarLoop]: Abstraction has 14989 states and 23116 transitions. [2024-11-28 03:00:34,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 629.4) internal successors, (3147), 5 states have internal predecessors, (3147), 2 states have call successors, (552), 2 states have call predecessors, (552), 1 states have return successors, (551), 1 states have call predecessors, (551), 1 states have call successors, (551) [2024-11-28 03:00:34,082 INFO L276 IsEmpty]: Start isEmpty. Operand 14989 states and 23116 transitions. [2024-11-28 03:00:34,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5907 [2024-11-28 03:00:34,857 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:34,862 INFO L218 NwaCegarLoop]: trace histogram [551, 551, 551, 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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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:00:34,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:00:34,864 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:00:34,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:34,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1175071639, now seen corresponding path program 1 times [2024-11-28 03:00:34,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:34,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934362729] [2024-11-28 03:00:34,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:34,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:02:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:56,922 INFO L134 CoverageAnalysis]: Checked inductivity of 606102 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 606100 trivial. 0 not checked. [2024-11-28 03:02:56,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:02:56,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934362729] [2024-11-28 03:02:56,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934362729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:02:56,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:02:56,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:02:56,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682795445] [2024-11-28 03:02:56,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:56,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:02:56,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:02:56,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:02:56,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:02:56,945 INFO L87 Difference]: Start difference. First operand 14989 states and 23116 transitions. Second operand has 6 states, 5 states have (on average 630.2) internal successors, (3151), 5 states have internal predecessors, (3151), 2 states have call successors, (553), 2 states have call predecessors, (553), 1 states have return successors, (552), 1 states have call predecessors, (552), 1 states have call successors, (552) [2024-11-28 03:03:00,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:03:00,241 INFO L93 Difference]: Finished difference Result 14997 states and 23122 transitions. [2024-11-28 03:03:00,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:03:00,243 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 630.2) internal successors, (3151), 5 states have internal predecessors, (3151), 2 states have call successors, (553), 2 states have call predecessors, (553), 1 states have return successors, (552), 1 states have call predecessors, (552), 1 states have call successors, (552) Word has length 5906 [2024-11-28 03:03:00,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:03:00,367 INFO L225 Difference]: With dead ends: 14997 [2024-11-28 03:03:00,369 INFO L226 Difference]: Without dead ends: 14995 [2024-11-28 03:03:00,383 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 03:03:00,386 INFO L435 NwaCegarLoop]: 19803 mSDtfsCounter, 16207 mSDsluCounter, 62302 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16207 SdHoareTripleChecker+Valid, 82105 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:03:00,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16207 Valid, 82105 Invalid, 720 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [3 Valid, 717 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-28 03:03:00,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14995 states. [2024-11-28 03:03:21,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14995 to 14993. [2024-11-28 03:03:21,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14993 states, 9502 states have (on average 1.2865712481582825) internal successors, (12225), 9726 states have internal predecessors, (12225), 5446 states have call successors, (5446), 44 states have call predecessors, (5446), 44 states have return successors, (5448), 5439 states have call predecessors, (5448), 5444 states have call successors, (5448) [2024-11-28 03:03:21,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14993 states to 14993 states and 23119 transitions. [2024-11-28 03:03:21,865 INFO L78 Accepts]: Start accepts. Automaton has 14993 states and 23119 transitions. Word has length 5906 [2024-11-28 03:03:21,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:03:21,873 INFO L471 AbstractCegarLoop]: Abstraction has 14993 states and 23119 transitions. [2024-11-28 03:03:21,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 630.2) internal successors, (3151), 5 states have internal predecessors, (3151), 2 states have call successors, (553), 2 states have call predecessors, (553), 1 states have return successors, (552), 1 states have call predecessors, (552), 1 states have call successors, (552) [2024-11-28 03:03:21,874 INFO L276 IsEmpty]: Start isEmpty. Operand 14993 states and 23119 transitions. [2024-11-28 03:03:22,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5913 [2024-11-28 03:03:22,492 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:03:22,496 INFO L218 NwaCegarLoop]: trace histogram [551, 551, 551, 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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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:03:22,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:03:22,497 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:03:22,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:03:22,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1983875435, now seen corresponding path program 1 times [2024-11-28 03:03:22,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:03:22,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621695393] [2024-11-28 03:03:22,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:03:22,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:04:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:05:18,995 INFO L134 CoverageAnalysis]: Checked inductivity of 606108 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 606104 trivial. 0 not checked. [2024-11-28 03:05:18,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:05:18,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621695393] [2024-11-28 03:05:18,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621695393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:05:18,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:05:18,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:05:18,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513297445] [2024-11-28 03:05:18,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:05:19,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:05:19,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:05:19,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:05:19,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:05:19,019 INFO L87 Difference]: Start difference. First operand 14993 states and 23119 transitions. Second operand has 6 states, 5 states have (on average 630.4) internal successors, (3152), 5 states have internal predecessors, (3152), 2 states have call successors, (554), 2 states have call predecessors, (554), 1 states have return successors, (553), 1 states have call predecessors, (553), 1 states have call successors, (553) [2024-11-28 03:05:21,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:05:21,587 INFO L93 Difference]: Finished difference Result 15001 states and 23125 transitions. [2024-11-28 03:05:21,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:05:21,588 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 630.4) internal successors, (3152), 5 states have internal predecessors, (3152), 2 states have call successors, (554), 2 states have call predecessors, (554), 1 states have return successors, (553), 1 states have call predecessors, (553), 1 states have call successors, (553) Word has length 5912 [2024-11-28 03:05:21,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:05:21,678 INFO L225 Difference]: With dead ends: 15001 [2024-11-28 03:05:21,679 INFO L226 Difference]: Without dead ends: 14999 [2024-11-28 03:05:21,689 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 03:05:21,691 INFO L435 NwaCegarLoop]: 19803 mSDtfsCounter, 16205 mSDsluCounter, 62302 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16205 SdHoareTripleChecker+Valid, 82105 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:05:21,692 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16205 Valid, 82105 Invalid, 720 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 717 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 03:05:21,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14999 states. [2024-11-28 03:05:39,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14999 to 14997. [2024-11-28 03:05:39,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14997 states, 9505 states have (on average 1.286480799579169) internal successors, (12228), 9729 states have internal predecessors, (12228), 5446 states have call successors, (5446), 45 states have call predecessors, (5446), 45 states have return successors, (5448), 5439 states have call predecessors, (5448), 5444 states have call successors, (5448) [2024-11-28 03:05:39,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14997 states to 14997 states and 23122 transitions. [2024-11-28 03:05:39,412 INFO L78 Accepts]: Start accepts. Automaton has 14997 states and 23122 transitions. Word has length 5912 [2024-11-28 03:05:39,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:05:39,419 INFO L471 AbstractCegarLoop]: Abstraction has 14997 states and 23122 transitions. [2024-11-28 03:05:39,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 630.4) internal successors, (3152), 5 states have internal predecessors, (3152), 2 states have call successors, (554), 2 states have call predecessors, (554), 1 states have return successors, (553), 1 states have call predecessors, (553), 1 states have call successors, (553) [2024-11-28 03:05:39,421 INFO L276 IsEmpty]: Start isEmpty. Operand 14997 states and 23122 transitions. [2024-11-28 03:05:39,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5919 [2024-11-28 03:05:39,697 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:05:39,700 INFO L218 NwaCegarLoop]: trace histogram [551, 551, 551, 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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L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:05:39,702 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:05:39,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:05:39,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1617625405, now seen corresponding path program 1 times [2024-11-28 03:05:39,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:05:39,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986130326] [2024-11-28 03:05:39,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:05:39,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms