./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/printf-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/printf-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3a2bb33d47b836fed611301f3ae383c62c561fece32293f145df9b8afe85841a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:39:08,294 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:39:08,373 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-23 23:39:08,380 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:39:08,380 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:39:08,412 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:39:08,413 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:39:08,413 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:39:08,414 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:39:08,414 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:39:08,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:39:08,414 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:39:08,415 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:39:08,415 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:39:08,415 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:39:08,415 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:39:08,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:39:08,416 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:39:08,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:39:08,416 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:39:08,416 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:39:08,417 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:39:08,417 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 23:39:08,417 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 23:39:08,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:39:08,417 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:39:08,418 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:39:08,418 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:39:08,418 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:39:08,418 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:39:08,418 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:39:08,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:39:08,419 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:39:08,419 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:39:08,419 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:39:08,419 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:39:08,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:39:08,420 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:39:08,420 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:39:08,420 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:39:08,420 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:39:08,420 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:39:08,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:39:08,421 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:39:08,421 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:39:08,421 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:39:08,421 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:39:08,421 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_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC 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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a2bb33d47b836fed611301f3ae383c62c561fece32293f145df9b8afe85841a [2024-11-23 23:39:08,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:39:08,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:39:08,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:39:08,856 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:39:08,857 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:39:08,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/busybox-1.22.0/printf-1.i [2024-11-23 23:39:12,677 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/data/86e2660bd/d7bfb08507db4bae961faa1fb2ca764e/FLAG2d331c24b [2024-11-23 23:39:13,443 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:39:13,444 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/sv-benchmarks/c/busybox-1.22.0/printf-1.i [2024-11-23 23:39:13,482 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/data/86e2660bd/d7bfb08507db4bae961faa1fb2ca764e/FLAG2d331c24b [2024-11-23 23:39:13,513 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/data/86e2660bd/d7bfb08507db4bae961faa1fb2ca764e [2024-11-23 23:39:13,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:39:13,520 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:39:13,522 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:39:13,522 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:39:13,528 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:39:13,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:39:13" (1/1) ... [2024-11-23 23:39:13,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d25aa8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:13, skipping insertion in model container [2024-11-23 23:39:13,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:39:13" (1/1) ... [2024-11-23 23:39:13,615 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:39:16,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:39:16,108 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:39:16,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:39:16,701 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2024-11-23 23:39:16,711 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:39:16,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:16 WrapperNode [2024-11-23 23:39:16,713 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:39:16,714 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:39:16,716 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:39:16,716 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:39:16,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:16" (1/1) ... [2024-11-23 23:39:16,781 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:16" (1/1) ... [2024-11-23 23:39:16,998 INFO L138 Inliner]: procedures = 648, calls = 864, calls flagged for inlining = 31, calls inlined = 29, statements flattened = 1891 [2024-11-23 23:39:16,999 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:39:17,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:39:17,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:39:17,004 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:39:17,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:16" (1/1) ... [2024-11-23 23:39:17,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:16" (1/1) ... [2024-11-23 23:39:17,045 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:16" (1/1) ... [2024-11-23 23:39:17,059 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-23 23:39:17,061 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:16" (1/1) ... [2024-11-23 23:39:17,062 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:16" (1/1) ... [2024-11-23 23:39:17,196 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:16" (1/1) ... [2024-11-23 23:39:17,209 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:16" (1/1) ... [2024-11-23 23:39:17,234 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:16" (1/1) ... [2024-11-23 23:39:17,266 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:16" (1/1) ... [2024-11-23 23:39:17,274 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:16" (1/1) ... [2024-11-23 23:39:17,302 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:39:17,303 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:39:17,303 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:39:17,303 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:39:17,305 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:16" (1/1) ... [2024-11-23 23:39:17,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:39:17,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:39:17,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:39:17,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:39:17,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-23 23:39:17,391 INFO L130 BoogieDeclarations]: Found specification of procedure bb_putchar [2024-11-23 23:39:17,392 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_putchar [2024-11-23 23:39:17,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 23:39:17,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-23 23:39:17,392 INFO L130 BoogieDeclarations]: Found specification of procedure ret_ERANGE [2024-11-23 23:39:17,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ret_ERANGE [2024-11-23 23:39:17,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-23 23:39:17,393 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2024-11-23 23:39:17,393 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2024-11-23 23:39:17,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-23 23:39:17,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-23 23:39:17,393 INFO L130 BoogieDeclarations]: Found specification of procedure get_width_prec [2024-11-23 23:39:17,393 INFO L138 BoogieDeclarations]: Found implementation of procedure get_width_prec [2024-11-23 23:39:17,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-23 23:39:17,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 23:39:17,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:39:17,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-23 23:39:17,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:39:17,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:39:17,395 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-23 23:39:17,395 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-23 23:39:17,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-11-23 23:39:17,395 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-11-23 23:39:17,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-23 23:39:17,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-23 23:39:17,395 INFO L130 BoogieDeclarations]: Found specification of procedure handle_errors [2024-11-23 23:39:17,396 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_errors [2024-11-23 23:39:17,396 INFO L130 BoogieDeclarations]: Found specification of procedure bb_process_escape_sequence [2024-11-23 23:39:17,396 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_process_escape_sequence [2024-11-23 23:39:17,396 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:39:17,396 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:39:17,397 INFO L130 BoogieDeclarations]: Found specification of procedure print_direc [2024-11-23 23:39:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure print_direc [2024-11-23 23:39:17,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 23:39:17,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-23 23:39:17,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-23 23:39:17,397 INFO L130 BoogieDeclarations]: Found specification of procedure bb_ascii_isalnum [2024-11-23 23:39:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_ascii_isalnum [2024-11-23 23:39:17,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-23 23:39:17,398 INFO L130 BoogieDeclarations]: Found specification of procedure bb_strtoll [2024-11-23 23:39:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_strtoll [2024-11-23 23:39:17,398 INFO L130 BoogieDeclarations]: Found specification of procedure multiconvert [2024-11-23 23:39:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure multiconvert [2024-11-23 23:39:17,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2024-11-23 23:39:17,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 23:39:17,400 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg [2024-11-23 23:39:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg [2024-11-23 23:39:18,240 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:39:18,243 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:39:25,597 INFO L? ?]: Removed 640 outVars from TransFormulas that were not future-live. [2024-11-23 23:39:25,597 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:39:25,642 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:39:25,642 INFO L312 CfgBuilder]: Removed 26 assume(true) statements. [2024-11-23 23:39:25,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:39:25 BoogieIcfgContainer [2024-11-23 23:39:25,643 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:39:25,649 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:39:25,649 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:39:25,658 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:39:25,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:39:13" (1/3) ... [2024-11-23 23:39:25,659 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3c40a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:39:25, skipping insertion in model container [2024-11-23 23:39:25,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:16" (2/3) ... [2024-11-23 23:39:25,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3c40a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:39:25, skipping insertion in model container [2024-11-23 23:39:25,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:39:25" (3/3) ... [2024-11-23 23:39:25,661 INFO L128 eAbstractionObserver]: Analyzing ICFG printf-1.i [2024-11-23 23:39:25,682 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:39:25,686 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG printf-1.i that has 15 procedures, 513 locations, 1 initial locations, 23 loop locations, and 52 error locations. [2024-11-23 23:39:25,795 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:39:25,816 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;@1393a5a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:39:25,816 INFO L334 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2024-11-23 23:39:25,824 INFO L276 IsEmpty]: Start isEmpty. Operand has 513 states, 394 states have (on average 1.6065989847715736) internal successors, (633), 461 states have internal predecessors, (633), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-23 23:39:25,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-23 23:39:25,837 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:39:25,838 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-23 23:39:25,838 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:39:25,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:39:25,846 INFO L85 PathProgramCache]: Analyzing trace with hash 911428931, now seen corresponding path program 1 times [2024-11-23 23:39:25,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:39:25,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701227853] [2024-11-23 23:39:25,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:25,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:39:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:28,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:39:28,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:39:28,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701227853] [2024-11-23 23:39:28,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701227853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:39:28,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:39:28,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:39:28,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849201770] [2024-11-23 23:39:28,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:39:28,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:39:28,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:39:28,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:39:28,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:39:28,638 INFO L87 Difference]: Start difference. First operand has 513 states, 394 states have (on average 1.6065989847715736) internal successors, (633), 461 states have internal predecessors, (633), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:39:28,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:39:28,881 INFO L93 Difference]: Finished difference Result 910 states and 1370 transitions. [2024-11-23 23:39:28,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:39:28,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-23 23:39:28,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:39:28,913 INFO L225 Difference]: With dead ends: 910 [2024-11-23 23:39:28,914 INFO L226 Difference]: Without dead ends: 383 [2024-11-23 23:39:28,930 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:39:28,935 INFO L435 NwaCegarLoop]: 549 mSDtfsCounter, 1 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1092 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:39:28,936 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1092 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:39:28,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-11-23 23:39:29,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2024-11-23 23:39:29,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 322 states have (on average 1.4192546583850931) internal successors, (457), 338 states have internal predecessors, (457), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-23 23:39:29,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 524 transitions. [2024-11-23 23:39:29,062 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 524 transitions. Word has length 5 [2024-11-23 23:39:29,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:39:29,066 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 524 transitions. [2024-11-23 23:39:29,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:39:29,066 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 524 transitions. [2024-11-23 23:39:29,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-23 23:39:29,068 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:39:29,068 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-23 23:39:29,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 23:39:29,069 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:39:29,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:39:29,069 INFO L85 PathProgramCache]: Analyzing trace with hash 391966717, now seen corresponding path program 1 times [2024-11-23 23:39:29,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:39:29,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199771952] [2024-11-23 23:39:29,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:29,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:39:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:31,143 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:39:31,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:39:31,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199771952] [2024-11-23 23:39:31,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199771952] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:39:31,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472735575] [2024-11-23 23:39:31,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:31,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:39:31,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:39:31,150 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:39:31,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:39:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:33,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 1683 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:39:33,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:39:33,325 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:39:33,325 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:39:33,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472735575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:39:33,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:39:33,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-23 23:39:33,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483191035] [2024-11-23 23:39:33,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:39:33,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:39:33,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:39:33,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:39:33,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:39:33,330 INFO L87 Difference]: Start difference. First operand 383 states and 524 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:39:33,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:39:33,466 INFO L93 Difference]: Finished difference Result 383 states and 524 transitions. [2024-11-23 23:39:33,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:39:33,467 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-23 23:39:33,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:39:33,470 INFO L225 Difference]: With dead ends: 383 [2024-11-23 23:39:33,471 INFO L226 Difference]: Without dead ends: 382 [2024-11-23 23:39:33,471 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:39:33,472 INFO L435 NwaCegarLoop]: 513 mSDtfsCounter, 1 mSDsluCounter, 1022 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1535 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:39:33,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1535 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:39:33,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-23 23:39:33,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2024-11-23 23:39:33,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 322 states have (on average 1.4161490683229814) internal successors, (456), 337 states have internal predecessors, (456), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-23 23:39:33,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 523 transitions. [2024-11-23 23:39:33,501 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 523 transitions. Word has length 9 [2024-11-23 23:39:33,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:39:33,502 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 523 transitions. [2024-11-23 23:39:33,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:39:33,502 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 523 transitions. [2024-11-23 23:39:33,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-23 23:39:33,503 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:39:33,503 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2024-11-23 23:39:33,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 23:39:33,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:39:33,704 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:39:33,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:39:33,705 INFO L85 PathProgramCache]: Analyzing trace with hash -733932690, now seen corresponding path program 1 times [2024-11-23 23:39:33,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:39:33,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926575667] [2024-11-23 23:39:33,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:33,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:39:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:35,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 23:39:35,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:39:35,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926575667] [2024-11-23 23:39:35,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926575667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:39:35,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:39:35,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:39:35,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116052423] [2024-11-23 23:39:35,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:39:35,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:39:35,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:39:35,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:39:35,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:39:35,212 INFO L87 Difference]: Start difference. First operand 382 states and 523 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:39:35,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:39:35,282 INFO L93 Difference]: Finished difference Result 382 states and 523 transitions. [2024-11-23 23:39:35,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:39:35,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-23 23:39:35,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:39:35,287 INFO L225 Difference]: With dead ends: 382 [2024-11-23 23:39:35,287 INFO L226 Difference]: Without dead ends: 381 [2024-11-23 23:39:35,292 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:39:35,293 INFO L435 NwaCegarLoop]: 514 mSDtfsCounter, 0 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:39:35,293 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1025 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:39:35,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-23 23:39:35,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 378. [2024-11-23 23:39:35,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 319 states have (on average 1.4169278996865204) internal successors, (452), 333 states have internal predecessors, (452), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-23 23:39:35,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 519 transitions. [2024-11-23 23:39:35,348 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 519 transitions. Word has length 10 [2024-11-23 23:39:35,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:39:35,349 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 519 transitions. [2024-11-23 23:39:35,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:39:35,349 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 519 transitions. [2024-11-23 23:39:35,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-23 23:39:35,350 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:39:35,350 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:39:35,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:39:35,350 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:39:35,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:39:35,353 INFO L85 PathProgramCache]: Analyzing trace with hash -195902634, now seen corresponding path program 1 times [2024-11-23 23:39:35,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:39:35,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027328371] [2024-11-23 23:39:35,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:35,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:39:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:36,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:39:36,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:39:37,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027328371] [2024-11-23 23:39:37,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027328371] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:39:37,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923622624] [2024-11-23 23:39:37,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:37,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:39:37,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:39:37,003 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:39:37,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:39:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:38,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 1700 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:39:38,778 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:39:38,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 23:39:38,826 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:39:38,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923622624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:39:38,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:39:38,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-23 23:39:38,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798048919] [2024-11-23 23:39:38,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:39:38,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:39:38,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:39:38,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:39:38,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:39:38,830 INFO L87 Difference]: Start difference. First operand 378 states and 519 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:39:38,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:39:38,924 INFO L93 Difference]: Finished difference Result 378 states and 519 transitions. [2024-11-23 23:39:38,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:39:38,925 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-11-23 23:39:38,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:39:38,928 INFO L225 Difference]: With dead ends: 378 [2024-11-23 23:39:38,928 INFO L226 Difference]: Without dead ends: 376 [2024-11-23 23:39:38,928 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:39:38,933 INFO L435 NwaCegarLoop]: 506 mSDtfsCounter, 167 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 839 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:39:38,937 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 839 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:39:38,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2024-11-23 23:39:38,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2024-11-23 23:39:38,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 319 states have (on average 1.4106583072100314) internal successors, (450), 331 states have internal predecessors, (450), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-23 23:39:38,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 517 transitions. [2024-11-23 23:39:38,987 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 517 transitions. Word has length 14 [2024-11-23 23:39:38,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:39:38,991 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 517 transitions. [2024-11-23 23:39:38,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:39:38,991 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 517 transitions. [2024-11-23 23:39:38,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-23 23:39:38,992 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:39:38,992 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:39:39,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 23:39:39,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:39:39,193 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:39:39,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:39:39,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1778013378, now seen corresponding path program 1 times [2024-11-23 23:39:39,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:39:39,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295703529] [2024-11-23 23:39:39,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:39,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:39:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:41,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:39:41,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:39:41,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295703529] [2024-11-23 23:39:41,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295703529] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:39:41,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432579926] [2024-11-23 23:39:41,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:41,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:39:41,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:39:41,013 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:39:41,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 23:39:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:42,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 1701 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:39:42,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:39:42,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:39:42,883 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:39:42,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:39:42,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432579926] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:39:42,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:39:42,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-23 23:39:42,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669698269] [2024-11-23 23:39:42,980 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:39:42,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:39:42,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:39:42,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:39:42,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:39:42,981 INFO L87 Difference]: Start difference. First operand 376 states and 517 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 23:39:43,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:39:43,146 INFO L93 Difference]: Finished difference Result 757 states and 1041 transitions. [2024-11-23 23:39:43,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:39:43,147 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-23 23:39:43,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:39:43,150 INFO L225 Difference]: With dead ends: 757 [2024-11-23 23:39:43,150 INFO L226 Difference]: Without dead ends: 388 [2024-11-23 23:39:43,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:39:43,153 INFO L435 NwaCegarLoop]: 512 mSDtfsCounter, 6 mSDsluCounter, 1018 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1530 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:39:43,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1530 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:39:43,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-23 23:39:43,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 388. [2024-11-23 23:39:43,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 331 states have (on average 1.3957703927492446) internal successors, (462), 343 states have internal predecessors, (462), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-23 23:39:43,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 529 transitions. [2024-11-23 23:39:43,187 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 529 transitions. Word has length 15 [2024-11-23 23:39:43,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:39:43,188 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 529 transitions. [2024-11-23 23:39:43,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 23:39:43,188 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 529 transitions. [2024-11-23 23:39:43,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-23 23:39:43,189 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:39:43,189 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:39:43,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-23 23:39:43,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:39:43,390 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:39:43,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:39:43,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1216861460, now seen corresponding path program 2 times [2024-11-23 23:39:43,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:39:43,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365211336] [2024-11-23 23:39:43,390 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 23:39:43,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:39:44,437 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 23:39:44,438 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:39:45,034 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-23 23:39:45,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:39:45,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365211336] [2024-11-23 23:39:45,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365211336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:39:45,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:39:45,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:39:45,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532766255] [2024-11-23 23:39:45,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:39:45,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:39:45,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:39:45,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:39:45,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:39:45,038 INFO L87 Difference]: Start difference. First operand 388 states and 529 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:39:45,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:39:45,244 INFO L93 Difference]: Finished difference Result 388 states and 529 transitions. [2024-11-23 23:39:45,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:39:45,245 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2024-11-23 23:39:45,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:39:45,248 INFO L225 Difference]: With dead ends: 388 [2024-11-23 23:39:45,248 INFO L226 Difference]: Without dead ends: 386 [2024-11-23 23:39:45,251 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:39:45,253 INFO L435 NwaCegarLoop]: 503 mSDtfsCounter, 166 mSDsluCounter, 1331 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 1834 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:39:45,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 1834 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:39:45,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-23 23:39:45,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 386. [2024-11-23 23:39:45,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 331 states have (on average 1.3897280966767371) internal successors, (460), 341 states have internal predecessors, (460), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-23 23:39:45,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 527 transitions. [2024-11-23 23:39:45,291 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 527 transitions. Word has length 27 [2024-11-23 23:39:45,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:39:45,293 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 527 transitions. [2024-11-23 23:39:45,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:39:45,294 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 527 transitions. [2024-11-23 23:39:45,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-23 23:39:45,295 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:39:45,295 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:39:45,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 23:39:45,296 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:39:45,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:39:45,296 INFO L85 PathProgramCache]: Analyzing trace with hash -653015240, now seen corresponding path program 1 times [2024-11-23 23:39:45,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:39:45,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474361209] [2024-11-23 23:39:45,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:45,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:39:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:46,718 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-23 23:39:46,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:39:46,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474361209] [2024-11-23 23:39:46,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474361209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:39:46,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:39:46,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:39:46,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933529289] [2024-11-23 23:39:46,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:39:46,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:39:46,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:39:46,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:39:46,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:39:46,720 INFO L87 Difference]: Start difference. First operand 386 states and 527 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:39:46,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:39:46,826 INFO L93 Difference]: Finished difference Result 751 states and 1034 transitions. [2024-11-23 23:39:46,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:39:46,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2024-11-23 23:39:46,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:39:46,830 INFO L225 Difference]: With dead ends: 751 [2024-11-23 23:39:46,830 INFO L226 Difference]: Without dead ends: 390 [2024-11-23 23:39:46,833 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:39:46,835 INFO L435 NwaCegarLoop]: 510 mSDtfsCounter, 1 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1014 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:39:46,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1014 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:39:46,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-23 23:39:46,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 390. [2024-11-23 23:39:46,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 335 states have (on average 1.3850746268656717) internal successors, (464), 345 states have internal predecessors, (464), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-23 23:39:46,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 531 transitions. [2024-11-23 23:39:46,877 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 531 transitions. Word has length 34 [2024-11-23 23:39:46,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:39:46,877 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 531 transitions. [2024-11-23 23:39:46,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:39:46,877 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 531 transitions. [2024-11-23 23:39:46,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-23 23:39:46,878 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:39:46,878 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:39:46,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 23:39:46,879 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:39:46,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:39:46,879 INFO L85 PathProgramCache]: Analyzing trace with hash 281462962, now seen corresponding path program 1 times [2024-11-23 23:39:46,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:39:46,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36298436] [2024-11-23 23:39:46,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:46,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:39:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:48,517 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-23 23:39:48,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:39:48,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36298436] [2024-11-23 23:39:48,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36298436] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:39:48,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385473728] [2024-11-23 23:39:48,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:48,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:39:48,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:39:48,521 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:39:48,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 23:39:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:50,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 1922 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 23:39:50,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:39:50,585 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-23 23:39:50,585 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:39:50,948 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-23 23:39:50,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385473728] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:39:50,948 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:39:50,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2024-11-23 23:39:50,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853651634] [2024-11-23 23:39:50,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:39:50,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-23 23:39:50,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:39:50,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-23 23:39:50,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:39:50,951 INFO L87 Difference]: Start difference. First operand 390 states and 531 transitions. Second operand has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-23 23:39:51,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:39:51,459 INFO L93 Difference]: Finished difference Result 784 states and 1072 transitions. [2024-11-23 23:39:51,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 23:39:51,460 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2024-11-23 23:39:51,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:39:51,465 INFO L225 Difference]: With dead ends: 784 [2024-11-23 23:39:51,465 INFO L226 Difference]: Without dead ends: 413 [2024-11-23 23:39:51,467 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:39:51,468 INFO L435 NwaCegarLoop]: 503 mSDtfsCounter, 7 mSDsluCounter, 2500 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 3003 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:39:51,468 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 3003 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:39:51,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-23 23:39:51,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2024-11-23 23:39:51,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 359 states have (on average 1.3565459610027855) internal successors, (487), 368 states have internal predecessors, (487), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-23 23:39:51,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 554 transitions. [2024-11-23 23:39:51,500 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 554 transitions. Word has length 38 [2024-11-23 23:39:51,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:39:51,500 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 554 transitions. [2024-11-23 23:39:51,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-23 23:39:51,501 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 554 transitions. [2024-11-23 23:39:51,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-23 23:39:51,502 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:39:51,503 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:39:51,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-23 23:39:51,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:39:51,705 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:39:51,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:39:51,705 INFO L85 PathProgramCache]: Analyzing trace with hash 927072088, now seen corresponding path program 1 times [2024-11-23 23:39:51,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:39:51,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401379089] [2024-11-23 23:39:51,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:51,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:39:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:53,002 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-23 23:39:53,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:39:53,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401379089] [2024-11-23 23:39:53,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401379089] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:39:53,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361937242] [2024-11-23 23:39:53,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:53,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:39:53,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:39:53,008 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:39:53,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 23:39:55,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:55,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 2039 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:39:55,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:39:55,119 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-23 23:39:55,120 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:39:55,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361937242] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:39:55,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:39:55,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-23 23:39:55,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634993888] [2024-11-23 23:39:55,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:39:55,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:39:55,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:39:55,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:39:55,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:39:55,123 INFO L87 Difference]: Start difference. First operand 413 states and 554 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:39:55,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:39:55,192 INFO L93 Difference]: Finished difference Result 413 states and 554 transitions. [2024-11-23 23:39:55,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:39:55,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 62 [2024-11-23 23:39:55,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:39:55,196 INFO L225 Difference]: With dead ends: 413 [2024-11-23 23:39:55,197 INFO L226 Difference]: Without dead ends: 412 [2024-11-23 23:39:55,197 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:39:55,198 INFO L435 NwaCegarLoop]: 505 mSDtfsCounter, 2 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:39:55,198 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1001 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:39:55,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-11-23 23:39:55,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2024-11-23 23:39:55,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 359 states have (on average 1.3537604456824512) internal successors, (486), 367 states have internal predecessors, (486), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-23 23:39:55,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 553 transitions. [2024-11-23 23:39:55,221 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 553 transitions. Word has length 62 [2024-11-23 23:39:55,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:39:55,222 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 553 transitions. [2024-11-23 23:39:55,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:39:55,222 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 553 transitions. [2024-11-23 23:39:55,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-23 23:39:55,228 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:39:55,228 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:39:55,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-23 23:39:55,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:39:55,429 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:39:55,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:39:55,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1378871800, now seen corresponding path program 1 times [2024-11-23 23:39:55,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:39:55,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28475879] [2024-11-23 23:39:55,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:55,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:39:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:56,520 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-23 23:39:56,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:39:56,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28475879] [2024-11-23 23:39:56,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28475879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:39:56,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:39:56,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:39:56,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763349564] [2024-11-23 23:39:56,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:39:56,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:39:56,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:39:56,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:39:56,523 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:39:56,523 INFO L87 Difference]: Start difference. First operand 412 states and 553 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:39:56,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:39:56,595 INFO L93 Difference]: Finished difference Result 418 states and 559 transitions. [2024-11-23 23:39:56,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:39:56,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 62 [2024-11-23 23:39:56,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:39:56,600 INFO L225 Difference]: With dead ends: 418 [2024-11-23 23:39:56,602 INFO L226 Difference]: Without dead ends: 416 [2024-11-23 23:39:56,603 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:39:56,607 INFO L435 NwaCegarLoop]: 508 mSDtfsCounter, 1 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1012 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:39:56,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1012 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:39:56,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-23 23:39:56,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2024-11-23 23:39:56,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 363 states have (on average 1.3498622589531681) internal successors, (490), 371 states have internal predecessors, (490), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-23 23:39:56,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 557 transitions. [2024-11-23 23:39:56,632 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 557 transitions. Word has length 62 [2024-11-23 23:39:56,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:39:56,633 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 557 transitions. [2024-11-23 23:39:56,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:39:56,633 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 557 transitions. [2024-11-23 23:39:56,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-23 23:39:56,635 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:39:56,635 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:39:56,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 23:39:56,635 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:39:56,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:39:56,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1325602854, now seen corresponding path program 1 times [2024-11-23 23:39:56,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:39:56,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340442080] [2024-11-23 23:39:56,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:56,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:39:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:57,980 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-23 23:39:57,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:39:57,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340442080] [2024-11-23 23:39:57,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340442080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:39:57,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:39:57,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:39:57,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546310128] [2024-11-23 23:39:57,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:39:57,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:39:57,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:39:57,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:39:57,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:39:57,983 INFO L87 Difference]: Start difference. First operand 416 states and 557 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:39:58,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:39:58,047 INFO L93 Difference]: Finished difference Result 416 states and 557 transitions. [2024-11-23 23:39:58,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:39:58,048 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2024-11-23 23:39:58,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:39:58,052 INFO L225 Difference]: With dead ends: 416 [2024-11-23 23:39:58,052 INFO L226 Difference]: Without dead ends: 415 [2024-11-23 23:39:58,053 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:39:58,054 INFO L435 NwaCegarLoop]: 507 mSDtfsCounter, 0 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1010 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:39:58,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1010 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:39:58,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-23 23:39:58,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 412. [2024-11-23 23:39:58,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 360 states have (on average 1.35) internal successors, (486), 367 states have internal predecessors, (486), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-23 23:39:58,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 553 transitions. [2024-11-23 23:39:58,086 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 553 transitions. Word has length 63 [2024-11-23 23:39:58,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:39:58,087 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 553 transitions. [2024-11-23 23:39:58,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:39:58,087 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 553 transitions. [2024-11-23 23:39:58,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-23 23:39:58,091 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:39:58,091 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:39:58,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 23:39:58,092 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:39:58,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:39:58,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1325535328, now seen corresponding path program 1 times [2024-11-23 23:39:58,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:39:58,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173419833] [2024-11-23 23:39:58,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:58,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:39:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:59,483 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-23 23:39:59,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:39:59,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173419833] [2024-11-23 23:39:59,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173419833] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:39:59,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589907577] [2024-11-23 23:39:59,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:59,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:39:59,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:39:59,488 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:39:59,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-23 23:40:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:40:01,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 2040 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:40:01,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:40:01,688 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-23 23:40:01,688 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:40:01,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [589907577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:40:01,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:40:01,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-23 23:40:01,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898817254] [2024-11-23 23:40:01,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:40:01,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:40:01,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:40:01,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:40:01,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:40:01,690 INFO L87 Difference]: Start difference. First operand 412 states and 553 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:40:01,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:40:01,782 INFO L93 Difference]: Finished difference Result 423 states and 566 transitions. [2024-11-23 23:40:01,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:40:01,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2024-11-23 23:40:01,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:40:01,786 INFO L225 Difference]: With dead ends: 423 [2024-11-23 23:40:01,787 INFO L226 Difference]: Without dead ends: 422 [2024-11-23 23:40:01,787 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:40:01,788 INFO L435 NwaCegarLoop]: 505 mSDtfsCounter, 0 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1006 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:40:01,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1006 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:40:01,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-11-23 23:40:01,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 422. [2024-11-23 23:40:01,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 370 states have (on average 1.345945945945946) internal successors, (498), 377 states have internal predecessors, (498), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-23 23:40:01,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 565 transitions. [2024-11-23 23:40:01,816 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 565 transitions. Word has length 63 [2024-11-23 23:40:01,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:40:01,816 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 565 transitions. [2024-11-23 23:40:01,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:40:01,820 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 565 transitions. [2024-11-23 23:40:01,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-23 23:40:01,821 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:40:01,821 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:40:01,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-23 23:40:02,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-23 23:40:02,022 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:40:02,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:40:02,024 INFO L85 PathProgramCache]: Analyzing trace with hash 2129425602, now seen corresponding path program 1 times [2024-11-23 23:40:02,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:40:02,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215906127] [2024-11-23 23:40:02,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:40:02,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:40:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:40:03,160 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-23 23:40:03,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:40:03,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215906127] [2024-11-23 23:40:03,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215906127] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:40:03,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601026066] [2024-11-23 23:40:03,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:40:03,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:40:03,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:40:03,163 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:40:03,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-23 23:40:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:40:05,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 2028 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:40:05,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:40:05,446 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-11-23 23:40:05,447 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:40:05,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601026066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:40:05,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:40:05,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 6 [2024-11-23 23:40:05,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768977902] [2024-11-23 23:40:05,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:40:05,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:40:05,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:40:05,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:40:05,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:40:05,449 INFO L87 Difference]: Start difference. First operand 422 states and 565 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:40:05,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:40:05,519 INFO L93 Difference]: Finished difference Result 435 states and 579 transitions. [2024-11-23 23:40:05,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:40:05,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2024-11-23 23:40:05,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:40:05,523 INFO L225 Difference]: With dead ends: 435 [2024-11-23 23:40:05,523 INFO L226 Difference]: Without dead ends: 424 [2024-11-23 23:40:05,524 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:40:05,525 INFO L435 NwaCegarLoop]: 509 mSDtfsCounter, 0 mSDsluCounter, 1012 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1521 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:40:05,525 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1521 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:40:05,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-23 23:40:05,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 424. [2024-11-23 23:40:05,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 372 states have (on average 1.3440860215053763) internal successors, (500), 379 states have internal predecessors, (500), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-23 23:40:05,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 567 transitions. [2024-11-23 23:40:05,550 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 567 transitions. Word has length 66 [2024-11-23 23:40:05,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:40:05,551 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 567 transitions. [2024-11-23 23:40:05,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:40:05,551 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 567 transitions. [2024-11-23 23:40:05,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-23 23:40:05,553 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:40:05,553 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:40:05,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-23 23:40:05,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-23 23:40:05,754 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:40:05,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:40:05,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1637624599, now seen corresponding path program 1 times [2024-11-23 23:40:05,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:40:05,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046327174] [2024-11-23 23:40:05,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:40:05,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:40:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:40:07,025 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-23 23:40:07,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:40:07,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046327174] [2024-11-23 23:40:07,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046327174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:40:07,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:40:07,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:40:07,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177193175] [2024-11-23 23:40:07,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:40:07,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:40:07,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:40:07,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:40:07,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:40:07,027 INFO L87 Difference]: Start difference. First operand 424 states and 567 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:40:07,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:40:07,212 INFO L93 Difference]: Finished difference Result 440 states and 582 transitions. [2024-11-23 23:40:07,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:40:07,213 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 70 [2024-11-23 23:40:07,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:40:07,215 INFO L225 Difference]: With dead ends: 440 [2024-11-23 23:40:07,216 INFO L226 Difference]: Without dead ends: 437 [2024-11-23 23:40:07,216 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:40:07,217 INFO L435 NwaCegarLoop]: 505 mSDtfsCounter, 17 mSDsluCounter, 2017 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2522 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:40:07,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2522 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:40:07,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-11-23 23:40:07,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 434. [2024-11-23 23:40:07,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 379 states have (on average 1.3403693931398417) internal successors, (508), 386 states have internal predecessors, (508), 35 states have call successors, (35), 14 states have call predecessors, (35), 14 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-23 23:40:07,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 577 transitions. [2024-11-23 23:40:07,238 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 577 transitions. Word has length 70 [2024-11-23 23:40:07,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:40:07,238 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 577 transitions. [2024-11-23 23:40:07,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:40:07,238 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 577 transitions. [2024-11-23 23:40:07,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-23 23:40:07,239 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:40:07,239 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:40:07,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 23:40:07,240 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:40:07,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:40:07,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1637626521, now seen corresponding path program 1 times [2024-11-23 23:40:07,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:40:07,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500480635] [2024-11-23 23:40:07,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:40:07,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:40:08,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:40:09,192 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-23 23:40:09,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:40:09,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500480635] [2024-11-23 23:40:09,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500480635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:40:09,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:40:09,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:40:09,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864638782] [2024-11-23 23:40:09,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:40:09,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:40:09,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:40:09,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:40:09,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:40:09,193 INFO L87 Difference]: Start difference. First operand 434 states and 577 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:40:09,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:40:09,628 INFO L93 Difference]: Finished difference Result 798 states and 1078 transitions. [2024-11-23 23:40:09,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:40:09,629 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 70 [2024-11-23 23:40:09,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:40:09,634 INFO L225 Difference]: With dead ends: 798 [2024-11-23 23:40:09,634 INFO L226 Difference]: Without dead ends: 434 [2024-11-23 23:40:09,636 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:40:09,637 INFO L435 NwaCegarLoop]: 496 mSDtfsCounter, 170 mSDsluCounter, 1800 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 2296 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:40:09,638 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 2296 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:40:09,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-11-23 23:40:09,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2024-11-23 23:40:09,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 379 states have (on average 1.3377308707124012) internal successors, (507), 386 states have internal predecessors, (507), 35 states have call successors, (35), 14 states have call predecessors, (35), 14 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-23 23:40:09,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 576 transitions. [2024-11-23 23:40:09,666 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 576 transitions. Word has length 70 [2024-11-23 23:40:09,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:40:09,667 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 576 transitions. [2024-11-23 23:40:09,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:40:09,667 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 576 transitions. [2024-11-23 23:40:09,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-23 23:40:09,669 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:40:09,670 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:40:09,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 23:40:09,672 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:40:09,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:40:09,673 INFO L85 PathProgramCache]: Analyzing trace with hash 2093983670, now seen corresponding path program 1 times [2024-11-23 23:40:09,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:40:09,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557224007] [2024-11-23 23:40:09,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:40:09,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:40:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:40:10,975 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-23 23:40:10,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:40:10,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557224007] [2024-11-23 23:40:10,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557224007] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:40:10,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508813279] [2024-11-23 23:40:10,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:40:10,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:40:10,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:40:10,979 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:40:10,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-23 23:40:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:40:13,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 2130 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:40:13,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:40:13,281 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-23 23:40:13,282 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:40:13,378 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-23 23:40:13,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508813279] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:40:13,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:40:13,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-23 23:40:13,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704818231] [2024-11-23 23:40:13,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:40:13,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:40:13,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:40:13,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:40:13,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:40:13,381 INFO L87 Difference]: Start difference. First operand 434 states and 576 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:40:13,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:40:13,552 INFO L93 Difference]: Finished difference Result 836 states and 1123 transitions. [2024-11-23 23:40:13,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:40:13,553 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 73 [2024-11-23 23:40:13,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:40:13,556 INFO L225 Difference]: With dead ends: 836 [2024-11-23 23:40:13,556 INFO L226 Difference]: Without dead ends: 458 [2024-11-23 23:40:13,558 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:40:13,559 INFO L435 NwaCegarLoop]: 507 mSDtfsCounter, 6 mSDsluCounter, 2012 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2519 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:40:13,559 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 2519 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:40:13,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-11-23 23:40:13,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458. [2024-11-23 23:40:13,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 403 states have (on average 1.317617866004963) internal successors, (531), 410 states have internal predecessors, (531), 35 states have call successors, (35), 14 states have call predecessors, (35), 14 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-23 23:40:13,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 600 transitions. [2024-11-23 23:40:13,581 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 600 transitions. Word has length 73 [2024-11-23 23:40:13,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:40:13,582 INFO L471 AbstractCegarLoop]: Abstraction has 458 states and 600 transitions. [2024-11-23 23:40:13,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:40:13,582 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 600 transitions. [2024-11-23 23:40:13,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-23 23:40:13,583 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:40:13,584 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 4, 4, 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] [2024-11-23 23:40:13,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-23 23:40:13,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-23 23:40:13,786 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:40:13,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:40:13,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1903589041, now seen corresponding path program 1 times [2024-11-23 23:40:13,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:40:13,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755626044] [2024-11-23 23:40:13,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:40:13,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:40:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:40:15,485 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-23 23:40:15,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:40:15,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755626044] [2024-11-23 23:40:15,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755626044] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:40:15,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618299159] [2024-11-23 23:40:15,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:40:15,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:40:15,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:40:15,490 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:40:15,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-23 23:40:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:40:17,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 2288 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 23:40:17,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:40:17,871 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-23 23:40:17,871 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:40:18,163 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-23 23:40:18,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618299159] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:40:18,163 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:40:18,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-23 23:40:18,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582488092] [2024-11-23 23:40:18,163 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:40:18,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-23 23:40:18,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:40:18,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-23 23:40:18,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:40:18,165 INFO L87 Difference]: Start difference. First operand 458 states and 600 transitions. Second operand has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:40:18,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:40:18,385 INFO L93 Difference]: Finished difference Result 896 states and 1189 transitions. [2024-11-23 23:40:18,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 23:40:18,385 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 92 [2024-11-23 23:40:18,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:40:18,389 INFO L225 Difference]: With dead ends: 896 [2024-11-23 23:40:18,389 INFO L226 Difference]: Without dead ends: 506 [2024-11-23 23:40:18,391 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:40:18,392 INFO L435 NwaCegarLoop]: 507 mSDtfsCounter, 6 mSDsluCounter, 1006 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1513 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:40:18,392 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1513 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:40:18,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2024-11-23 23:40:18,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 506. [2024-11-23 23:40:18,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 451 states have (on average 1.2838137472283815) internal successors, (579), 458 states have internal predecessors, (579), 35 states have call successors, (35), 14 states have call predecessors, (35), 14 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-23 23:40:18,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 648 transitions. [2024-11-23 23:40:18,416 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 648 transitions. Word has length 92 [2024-11-23 23:40:18,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:40:18,417 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 648 transitions. [2024-11-23 23:40:18,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:40:18,417 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 648 transitions. [2024-11-23 23:40:18,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-23 23:40:18,418 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:40:18,418 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:40:18,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-23 23:40:18,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:40:18,620 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:40:18,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:40:18,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1602201203, now seen corresponding path program 2 times [2024-11-23 23:40:18,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:40:18,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142545579] [2024-11-23 23:40:18,621 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 23:40:18,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:40:21,119 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 23:40:21,120 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 23:40:21,120 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:40:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:40:21,813 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 23:40:21,814 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 23:40:21,816 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (51 of 52 remaining) [2024-11-23 23:40:21,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 52 remaining) [2024-11-23 23:40:21,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 52 remaining) [2024-11-23 23:40:21,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_ascii_isalnumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 52 remaining) [2024-11-23 23:40:21,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_ascii_isalnumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 52 remaining) [2024-11-23 23:40:21,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_ascii_isalnumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 52 remaining) [2024-11-23 23:40:21,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_ascii_isalnumErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 52 remaining) [2024-11-23 23:40:21,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 52 remaining) [2024-11-23 23:40:21,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 52 remaining) [2024-11-23 23:40:21,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 52 remaining) [2024-11-23 23:40:21,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 52 remaining) [2024-11-23 23:40:21,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 52 remaining) [2024-11-23 23:40:21,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 52 remaining) [2024-11-23 23:40:21,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 52 remaining) [2024-11-23 23:40:21,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 52 remaining) [2024-11-23 23:40:21,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 52 remaining) [2024-11-23 23:40:21,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 52 remaining) [2024-11-23 23:40:21,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 52 remaining) [2024-11-23 23:40:21,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 52 remaining) [2024-11-23 23:40:21,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 52 remaining) [2024-11-23 23:40:21,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 52 remaining) [2024-11-23 23:40:21,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 52 remaining) [2024-11-23 23:40:21,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 52 remaining) [2024-11-23 23:40:21,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 52 remaining) [2024-11-23 23:40:21,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 52 remaining) [2024-11-23 23:40:21,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 52 remaining) [2024-11-23 23:40:21,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 52 remaining) [2024-11-23 23:40:21,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 52 remaining) [2024-11-23 23:40:21,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 52 remaining) [2024-11-23 23:40:21,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 52 remaining) [2024-11-23 23:40:21,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 52 remaining) [2024-11-23 23:40:21,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr25ASSERT_VIOLATIONUNSUPPORTED_FEATURE (20 of 52 remaining) [2024-11-23 23:40:21,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 52 remaining) [2024-11-23 23:40:21,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location bb_verror_msgErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 52 remaining) [2024-11-23 23:40:21,824 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 52 remaining) [2024-11-23 23:40:21,824 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 52 remaining) [2024-11-23 23:40:21,824 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 52 remaining) [2024-11-23 23:40:21,824 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 52 remaining) [2024-11-23 23:40:21,824 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 52 remaining) [2024-11-23 23:40:21,824 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 52 remaining) [2024-11-23 23:40:21,824 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 52 remaining) [2024-11-23 23:40:21,825 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 52 remaining) [2024-11-23 23:40:21,825 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 52 remaining) [2024-11-23 23:40:21,825 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 52 remaining) [2024-11-23 23:40:21,825 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 52 remaining) [2024-11-23 23:40:21,826 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 52 remaining) [2024-11-23 23:40:21,826 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 52 remaining) [2024-11-23 23:40:21,826 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 52 remaining) [2024-11-23 23:40:21,826 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 52 remaining) [2024-11-23 23:40:21,826 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 52 remaining) [2024-11-23 23:40:21,826 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 52 remaining) [2024-11-23 23:40:21,827 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 52 remaining) [2024-11-23 23:40:21,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-23 23:40:21,832 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:40:22,031 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:40:22,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:40:22 BoogieIcfgContainer [2024-11-23 23:40:22,040 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:40:22,041 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:40:22,041 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:40:22,041 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:40:22,042 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:39:25" (3/4) ... [2024-11-23 23:40:22,045 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 23:40:22,046 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:40:22,047 INFO L158 Benchmark]: Toolchain (without parser) took 68527.62ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 99.1MB in the beginning and 175.6MB in the end (delta: -76.5MB). Peak memory consumption was 94.9MB. Max. memory is 16.1GB. [2024-11-23 23:40:22,048 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:40:22,048 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3191.48ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 47.3MB in the end (delta: 51.5MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. [2024-11-23 23:40:22,048 INFO L158 Benchmark]: Boogie Procedure Inliner took 287.29ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 47.3MB in the beginning and 371.3MB in the end (delta: -324.0MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2024-11-23 23:40:22,048 INFO L158 Benchmark]: Boogie Preprocessor took 299.98ms. Allocated memory is still 427.8MB. Free memory was 371.3MB in the beginning and 357.5MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:40:22,049 INFO L158 Benchmark]: RCFGBuilder took 8339.83ms. Allocated memory is still 427.8MB. Free memory was 357.5MB in the beginning and 305.9MB in the end (delta: 51.5MB). Peak memory consumption was 161.6MB. Max. memory is 16.1GB. [2024-11-23 23:40:22,049 INFO L158 Benchmark]: TraceAbstraction took 56391.21ms. Allocated memory was 427.8MB in the beginning and 310.4MB in the end (delta: -117.4MB). Free memory was 305.9MB in the beginning and 175.6MB in the end (delta: 130.4MB). Peak memory consumption was 139.9MB. Max. memory is 16.1GB. [2024-11-23 23:40:22,049 INFO L158 Benchmark]: Witness Printer took 5.51ms. Allocated memory is still 310.4MB. Free memory was 175.6MB in the beginning and 175.6MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:40:22,051 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3191.48ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 47.3MB in the end (delta: 51.5MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 287.29ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 47.3MB in the beginning and 371.3MB in the end (delta: -324.0MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 299.98ms. Allocated memory is still 427.8MB. Free memory was 371.3MB in the beginning and 357.5MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 8339.83ms. Allocated memory is still 427.8MB. Free memory was 357.5MB in the beginning and 305.9MB in the end (delta: 51.5MB). Peak memory consumption was 161.6MB. Max. memory is 16.1GB. * TraceAbstraction took 56391.21ms. Allocated memory was 427.8MB in the beginning and 310.4MB in the end (delta: -117.4MB). Free memory was 305.9MB in the beginning and 175.6MB in the end (delta: 130.4MB). Peak memory consumption was 139.9MB. Max. memory is 16.1GB. * Witness Printer took 5.51ms. Allocated memory is still 310.4MB. Free memory was 175.6MB in the beginning and 175.6MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1135]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of vasprintf at line 1135. Possible FailurePath: [L2370] static const char *applet_name; [L2371] static signed int bb_errno_location; [L2372] static signed int * const bb_errno = &bb_errno_location; [L2373] static const char bb_msg_memory_exhausted[14l] = { (const char)111, (const char)117, (const char)116, (const char)32, (const char)111, (const char)102, (const char)32, (const char)109, (const char)101, (const char)109, (const char)111, (const char)114, (const char)121, (const char)0 }; [L2374] static struct __jmp_buf_tag die_jmp[1l]; [L2375] static signed int die_sleep; [L2376] static char local_buf[(signed long int)(sizeof(signed int) * 3) ]; [L2377] static signed char logmode = (signed char)1; [L2378] static const char *msg_eol = "\n"; [L2379] static unsigned char xfunc_error_retval = (unsigned char)1; [L2445] static const char charmap[20l] = { (const char)97, (const char)98, (const char)101, (const char)102, (const char)110, (const char)114, (const char)116, (const char)118, (const char)92, (const char)0, (const char)7, (const char)8, (const char)27, (const char)12, (const char)10, (const char)13, (const char)9, (const char)11, (const char)92, (const char)92 }; [L3133] static const char format_chars[14l] = { (const char)100, (const char)105, (const char)111, (const char)117, (const char)120, (const char)88, (const char)102, (const char)101, (const char)69, (const char)103, (const char)71, (const char)99, (const char)115, (const char)0 }; [L3336] static struct utmp dummy_utmp; VAL [applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3399] char *a = malloc(11); [L3400] a[10] = 0 [L3401] int i=0; VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3401] COND TRUE i<10 VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3402] a[i]=__VERIFIER_nondet_char() VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3401] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=1, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3401] COND TRUE i<10 VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=1, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3402] a[i]=__VERIFIER_nondet_char() VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=1, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3401] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=2, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3401] COND TRUE i<10 VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=2, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3402] a[i]=__VERIFIER_nondet_char() VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=2, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3401] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=3, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3401] COND TRUE i<10 VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=3, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3402] a[i]=__VERIFIER_nondet_char() VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=3, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3401] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=4, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3401] COND TRUE i<10 VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=4, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3402] a[i]=__VERIFIER_nondet_char() VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=4, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3401] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=5, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3401] COND TRUE i<10 VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=5, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3402] a[i]=__VERIFIER_nondet_char() VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=5, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3401] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=6, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3401] COND TRUE i<10 VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=6, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3402] a[i]=__VERIFIER_nondet_char() VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=6, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3401] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=7, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3401] COND TRUE i<10 VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=7, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3402] a[i]=__VERIFIER_nondet_char() VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=7, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3401] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=8, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3401] COND TRUE i<10 VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=8, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3402] a[i]=__VERIFIER_nondet_char() VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=8, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3401] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=9, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3401] COND TRUE i<10 VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=9, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3402] a[i]=__VERIFIER_nondet_char() VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=9, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3401] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=10, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3401] COND FALSE !(i<10) VAL [a={-1:0}, applet_name={0:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, local_buf={14:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L3403] applet_name = a [L3404] bb_errno_location = __VERIFIER_nondet_int() [L3405] optind = 1 [L3406] int argc = __VERIFIER_nondet_int(); [L3407] CALL assume_abort_if_not(argc >= 1 && argc <= 10000) VAL [\old(cond)=1, applet_name={-1:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, local_buf={14:0}, logmode=1, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L9] COND FALSE !(!cond) VAL [\old(cond)=1, applet_name={-1:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, local_buf={14:0}, logmode=1, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3407] RET assume_abort_if_not(argc >= 1 && argc <= 10000) VAL [applet_name={-1:0}, argc=1, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, local_buf={14:0}, logmode=1, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3408] EXPR argc+1 [L3408] char **argv=malloc((argc+1)*sizeof(char*)); [L3409] EXPR argc+1 [L3409] char **mem_track=malloc((argc+1)*sizeof(char*)); [L3410] argv[argc]=0 [L3411] int i=0; VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3411] COND TRUE i<argc VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3413] argv[i]=malloc(11) [L3414] EXPR argv[i] [L3414] mem_track[i]=argv[i] [L3415] EXPR argv[i] [L3415] argv[i][10] = 0 [L3416] int j=0; VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=0, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3416] COND TRUE j<10 VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=0, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3417] EXPR argv[i] [L3417] argv[i][j]=__VERIFIER_nondet_char() VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=0, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3416] ++j VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=1, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3416] COND TRUE j<10 VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=1, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3417] EXPR argv[i] [L3417] argv[i][j]=__VERIFIER_nondet_char() VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=1, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3416] ++j VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=2, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3416] COND TRUE j<10 VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=2, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3417] EXPR argv[i] [L3417] argv[i][j]=__VERIFIER_nondet_char() VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=2, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3416] ++j VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=3, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3416] COND TRUE j<10 VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=3, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3417] EXPR argv[i] [L3417] argv[i][j]=__VERIFIER_nondet_char() VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=3, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3416] ++j VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=4, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3416] COND TRUE j<10 VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=4, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3417] EXPR argv[i] [L3417] argv[i][j]=__VERIFIER_nondet_char() VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=4, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3416] ++j VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=5, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3416] COND TRUE j<10 VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=5, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3417] EXPR argv[i] [L3417] argv[i][j]=__VERIFIER_nondet_char() VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=5, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3416] ++j VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=6, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3416] COND TRUE j<10 VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=6, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3417] EXPR argv[i] [L3417] argv[i][j]=__VERIFIER_nondet_char() VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=6, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3416] ++j VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=7, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3416] COND TRUE j<10 VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=7, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3417] EXPR argv[i] [L3417] argv[i][j]=__VERIFIER_nondet_char() VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=7, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3416] ++j VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=8, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3416] COND TRUE j<10 VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=8, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3417] EXPR argv[i] [L3417] argv[i][j]=__VERIFIER_nondet_char() VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=8, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3416] ++j VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=9, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3416] COND TRUE j<10 VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=9, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3417] EXPR argv[i] [L3417] argv[i][j]=__VERIFIER_nondet_char() VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=9, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3416] ++j VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, j=10, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3416] COND FALSE !(j<10) VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=0, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3411] ++i VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, i=1, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3411] COND FALSE !(i<argc) VAL [applet_name={-1:0}, argc=1, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, local_buf={14:0}, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3419] CALL __main(argc, argv) [L3189] signed int conv_err; [L3190] char *format; [L3191] char **argv2; [L3192] signed int return_value_fcntl$1; [L3193] CALL, EXPR fcntl(1, 3) [L3322] int retval = __VERIFIER_nondet_int(); [L3323] COND FALSE !(retval < 0) [L3329] return retval; VAL [\result=0, applet_name={-1:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, local_buf={14:0}, logmode=1, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3193] RET, EXPR fcntl(1, 3) [L3193] return_value_fcntl$1=fcntl(1, 3) [L3194] COND FALSE !(return_value_fcntl$1 == -1) [L3196] EXPR 1l + argv VAL [applet_name={-1:0}, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, conv_err={333:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, local_buf={14:0}, logmode=1, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3196] COND FALSE !(!(*(1l + argv) == ((char *)((void *)0)))) [L3207] EXPR 1l + argv VAL [applet_name={-1:0}, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, conv_err={333:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, local_buf={14:0}, logmode=1, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3207] COND TRUE *(1l + argv) == ((char *)((void *)0)) [L3209] EXPR \read(*applet_name) VAL [applet_name={-1:0}, argv={-13:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, conv_err={333:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, local_buf={14:0}, logmode=1, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L3209] COND TRUE !((signed int)*applet_name == 112) [L3211] CALL bb_error_msg("usage: printf FORMAT [ARGUMENT...]") VAL [\old(s)={11:0}, applet_name={-1:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, local_buf={14:0}, logmode=1, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L2390] va_list p; [L2392] CALL bb_verror_msg(s, p, (const char *)((void *)0)) VAL [\old(p)={-26:0}, \old(s)={11:0}, \old(strerr)={0:0}, applet_name={-1:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, local_buf={14:0}, logmode=1, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L2566] char *msg; [L2567] char *msg1; [L2568] signed int applet_len; [L2569] signed int strerr_len; [L2570] signed int msgeol_len; [L2571] signed int used; VAL [\old(p)={-26:0}, \old(s)={11:0}, \old(strerr)={0:0}, applet_name={-1:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, local_buf={14:0}, logmode=1, msg={331:0}, msg_eol={3:0}, optind=1, p={-26:0}, s={11:0}, strerr={0:0}, xfunc_error_retval=1] [L2572] COND FALSE !((signed int)logmode == 0) VAL [\old(p)={-26:0}, \old(s)={11:0}, \old(strerr)={0:0}, applet_name={-1:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, local_buf={14:0}, logmode=1, msg={331:0}, msg_eol={3:0}, optind=1, p={-26:0}, s={11:0}, strerr={0:0}, xfunc_error_retval=1] [L2574] COND FALSE !(s == ((const char *)((void *)0))) VAL [\old(p)={-26:0}, \old(s)={11:0}, \old(strerr)={0:0}, applet_name={-1:0}, bb_errno={12:0}, bb_errno_location={12:0}, bb_msg_memory_exhausted={13:0}, charmap={15:0}, die_sleep=0, dummy_utmp={17:0}, format_chars={16:0}, local_buf={14:0}, logmode=1, msg={331:0}, msg_eol={3:0}, optind=1, p={-26:0}, s={11:0}, strerr={0:0}, xfunc_error_retval=1] [L2576] CALL vasprintf(&msg, s, p) - UnprovableResult [Line: 2422]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2422]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2382]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2382]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2385]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2385]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2596]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2596]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2596]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2596]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2596]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2596]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2596]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2596]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2604]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2604]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2612]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2612]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2614]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2614]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2615]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2615]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2621]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2621]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2624]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2624]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2628]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2628]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2631]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2631]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2689]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 2705]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 2705]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 3401]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 3401]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 3408]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 3408]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 3409]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 3409]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 3416]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 3416]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 3411]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 3411]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 3016]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 3016]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 3090]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 3090]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 3113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 3113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 3420]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 3420]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 15 procedures, 513 locations, 52 error locations. Started 1 CEGAR loops. OverallTime: 56.1s, OverallIterations: 18, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 584 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 551 mSDsluCounter, 26272 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17613 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 490 IncrementalHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 8659 mSDtfsCounter, 490 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 701 GetRequests, 634 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=513occurred in iteration=0, InterpolantAutomatonStates: 87, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 17 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.1s SsaConstructionTime, 6.5s SatisfiabilityAnalysisTime, 9.4s InterpolantComputationTime, 1321 NumberOfCodeBlocks, 1305 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 1393 ConstructedInterpolants, 0 QuantifiedInterpolants, 1841 SizeOfPredicates, 0 NumberOfNonLiveVariables, 17531 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 30 InterpolantComputations, 13 PerfectInterpolantSequences, 3189/3347 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-23 23:40:22,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/printf-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3a2bb33d47b836fed611301f3ae383c62c561fece32293f145df9b8afe85841a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:40:25,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:40:25,253 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-23 23:40:25,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:40:25,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:40:25,269 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-23 23:40:25,322 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:40:25,325 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:40:25,325 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:40:25,325 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:40:25,325 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:40:25,325 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:40:25,326 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:40:25,326 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:40:25,326 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:40:25,326 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:40:25,326 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:40:25,327 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:40:25,327 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:40:25,327 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:40:25,327 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:40:25,327 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:40:25,327 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 23:40:25,327 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 23:40:25,327 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 23:40:25,327 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 23:40:25,328 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 23:40:25,328 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:40:25,328 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:40:25,328 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:40:25,328 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:40:25,328 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:40:25,331 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:40:25,332 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:40:25,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:40:25,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:40:25,332 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:40:25,332 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:40:25,333 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:40:25,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:40:25,333 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:40:25,333 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:40:25,334 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:40:25,334 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:40:25,334 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 23:40:25,334 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 23:40:25,334 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:40:25,335 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:40:25,335 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:40:25,335 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:40:25,335 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_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC 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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a2bb33d47b836fed611301f3ae383c62c561fece32293f145df9b8afe85841a [2024-11-23 23:40:25,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:40:25,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:40:25,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:40:25,755 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:40:25,755 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:40:25,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/busybox-1.22.0/printf-1.i [2024-11-23 23:40:29,462 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/data/820b6301c/d4138067e61f41ea9e5f128620ff1950/FLAGe676cf384 [2024-11-23 23:40:30,029 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:40:30,030 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/sv-benchmarks/c/busybox-1.22.0/printf-1.i [2024-11-23 23:40:30,078 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/data/820b6301c/d4138067e61f41ea9e5f128620ff1950/FLAGe676cf384 [2024-11-23 23:40:30,534 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/data/820b6301c/d4138067e61f41ea9e5f128620ff1950 [2024-11-23 23:40:30,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:40:30,539 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:40:30,540 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:40:30,541 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:40:30,546 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:40:30,548 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:40:30" (1/1) ... [2024-11-23 23:40:30,549 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c9d37ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:30, skipping insertion in model container [2024-11-23 23:40:30,549 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:40:30" (1/1) ... [2024-11-23 23:40:30,654 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:40:32,479 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,481 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,503 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,511 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,515 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,519 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,521 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,523 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,525 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,526 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,527 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,528 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,530 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,535 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,537 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,539 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,541 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,543 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,543 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,544 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,545 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,546 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,547 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,550 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,551 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,552 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,560 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,566 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,567 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,569 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,584 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,587 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,594 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,597 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,632 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,639 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,643 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,650 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,658 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,666 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,670 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,671 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,673 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,676 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,677 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,686 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,688 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,690 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,697 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,706 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,710 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,714 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,715 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,717 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,717 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,723 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,734 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,737 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,741 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,760 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,781 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-23 23:40:32,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:40:32,834 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:40:33,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:40:33,478 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2024-11-23 23:40:33,501 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:40:33,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:33 WrapperNode [2024-11-23 23:40:33,502 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:40:33,503 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:40:33,508 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:40:33,508 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:40:33,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:33" (1/1) ... [2024-11-23 23:40:33,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:33" (1/1) ... [2024-11-23 23:40:33,783 INFO L138 Inliner]: procedures = 663, calls = 864, calls flagged for inlining = 31, calls inlined = 29, statements flattened = 1833 [2024-11-23 23:40:33,783 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:40:33,784 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:40:33,785 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:40:33,787 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:40:33,799 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:33" (1/1) ... [2024-11-23 23:40:33,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:33" (1/1) ... [2024-11-23 23:40:33,833 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:33" (1/1) ... [2024-11-23 23:40:33,854 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-23 23:40:33,858 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:33" (1/1) ... [2024-11-23 23:40:33,859 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:33" (1/1) ... [2024-11-23 23:40:33,999 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:33" (1/1) ... [2024-11-23 23:40:34,002 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:33" (1/1) ... [2024-11-23 23:40:34,020 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:33" (1/1) ... [2024-11-23 23:40:34,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:33" (1/1) ... [2024-11-23 23:40:34,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:33" (1/1) ... [2024-11-23 23:40:34,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:40:34,098 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:40:34,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:40:34,098 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:40:34,099 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:33" (1/1) ... [2024-11-23 23:40:34,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:40:34,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:40:34,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:40:34,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:40:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure bb_putchar [2024-11-23 23:40:34,229 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_putchar [2024-11-23 23:40:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-23 23:40:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 23:40:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-23 23:40:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-23 23:40:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-23 23:40:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure ret_ERANGE [2024-11-23 23:40:34,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ret_ERANGE [2024-11-23 23:40:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2024-11-23 23:40:34,232 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2024-11-23 23:40:34,232 INFO L130 BoogieDeclarations]: Found specification of procedure get_width_prec [2024-11-23 23:40:34,232 INFO L138 BoogieDeclarations]: Found implementation of procedure get_width_prec [2024-11-23 23:40:34,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 23:40:34,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:40:34,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-23 23:40:34,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2024-11-23 23:40:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2024-11-23 23:40:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2024-11-23 23:40:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2024-11-23 23:40:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:40:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:40:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-23 23:40:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-23 23:40:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-23 23:40:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-11-23 23:40:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-11-23 23:40:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-11-23 23:40:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-23 23:40:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-23 23:40:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-23 23:40:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure handle_errors [2024-11-23 23:40:34,236 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_errors [2024-11-23 23:40:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-23 23:40:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure bb_process_escape_sequence [2024-11-23 23:40:34,236 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_process_escape_sequence [2024-11-23 23:40:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:40:34,236 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:40:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure print_direc [2024-11-23 23:40:34,237 INFO L138 BoogieDeclarations]: Found implementation of procedure print_direc [2024-11-23 23:40:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 23:40:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-23 23:40:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-11-23 23:40:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-23 23:40:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-23 23:40:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-23 23:40:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE8 [2024-11-23 23:40:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2024-11-23 23:40:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure bb_ascii_isalnum [2024-11-23 23:40:34,237 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_ascii_isalnum [2024-11-23 23:40:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure bb_strtoll [2024-11-23 23:40:34,237 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_strtoll [2024-11-23 23:40:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-23 23:40:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2024-11-23 23:40:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-11-23 23:40:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2024-11-23 23:40:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure multiconvert [2024-11-23 23:40:34,238 INFO L138 BoogieDeclarations]: Found implementation of procedure multiconvert [2024-11-23 23:40:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg [2024-11-23 23:40:34,238 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg [2024-11-23 23:40:35,099 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:40:35,101 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:40:48,378 INFO L? ?]: Removed 612 outVars from TransFormulas that were not future-live. [2024-11-23 23:40:48,378 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:40:48,402 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:40:48,402 INFO L312 CfgBuilder]: Removed 26 assume(true) statements. [2024-11-23 23:40:48,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:40:48 BoogieIcfgContainer [2024-11-23 23:40:48,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:40:48,406 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:40:48,406 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:40:48,413 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:40:48,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:40:30" (1/3) ... [2024-11-23 23:40:48,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ff7468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:40:48, skipping insertion in model container [2024-11-23 23:40:48,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:33" (2/3) ... [2024-11-23 23:40:48,415 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ff7468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:40:48, skipping insertion in model container [2024-11-23 23:40:48,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:40:48" (3/3) ... [2024-11-23 23:40:48,416 INFO L128 eAbstractionObserver]: Analyzing ICFG printf-1.i [2024-11-23 23:40:48,437 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:40:48,441 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG printf-1.i that has 15 procedures, 497 locations, 1 initial locations, 23 loop locations, and 52 error locations. [2024-11-23 23:40:48,540 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:40:48,560 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;@65080643, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:40:48,561 INFO L334 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2024-11-23 23:40:48,568 INFO L276 IsEmpty]: Start isEmpty. Operand has 497 states, 378 states have (on average 1.6058201058201058) internal successors, (607), 445 states have internal predecessors, (607), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-23 23:40:48,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-23 23:40:48,577 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:40:48,578 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-23 23:40:48,578 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:40:48,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:40:48,585 INFO L85 PathProgramCache]: Analyzing trace with hash 877073951, now seen corresponding path program 1 times [2024-11-23 23:40:48,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:40:48,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1635282332] [2024-11-23 23:40:48,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:40:48,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:40:48,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:40:48,614 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:40:48,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:40:51,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:40:51,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 841 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:40:51,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:40:51,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:40:51,324 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:40:51,325 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:40:51,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635282332] [2024-11-23 23:40:51,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1635282332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:40:51,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:40:51,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-23 23:40:51,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880377684] [2024-11-23 23:40:51,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:40:51,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:40:51,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:40:51,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:40:51,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:40:51,365 INFO L87 Difference]: Start difference. First operand has 497 states, 378 states have (on average 1.6058201058201058) internal successors, (607), 445 states have internal predecessors, (607), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:40:51,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:40:51,515 INFO L93 Difference]: Finished difference Result 868 states and 1306 transitions. [2024-11-23 23:40:51,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:40:51,518 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-23 23:40:51,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:40:51,543 INFO L225 Difference]: With dead ends: 868 [2024-11-23 23:40:51,543 INFO L226 Difference]: Without dead ends: 358 [2024-11-23 23:40:51,559 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:40:51,563 INFO L435 NwaCegarLoop]: 526 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, 526 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:40:51,567 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:40:51,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2024-11-23 23:40:51,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 358. [2024-11-23 23:40:51,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 305 states have (on average 1.3967213114754098) internal successors, (426), 313 states have internal predecessors, (426), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-23 23:40:51,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 493 transitions. [2024-11-23 23:40:51,699 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 493 transitions. Word has length 5 [2024-11-23 23:40:51,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:40:51,699 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 493 transitions. [2024-11-23 23:40:51,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:40:51,701 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 493 transitions. [2024-11-23 23:40:51,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-23 23:40:51,701 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:40:51,702 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-23 23:40:51,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 23:40:51,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:40:51,903 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:40:51,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:40:51,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1419489640, now seen corresponding path program 1 times [2024-11-23 23:40:51,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:40:51,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [948902736] [2024-11-23 23:40:51,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:40:51,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:40:51,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:40:51,911 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:40:51,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:40:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:40:54,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 842 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:40:54,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:40:54,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:40:54,395 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:40:54,395 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:40:54,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948902736] [2024-11-23 23:40:54,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [948902736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:40:54,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:40:54,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:40:54,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017429120] [2024-11-23 23:40:54,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:40:54,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:40:54,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:40:54,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:40:54,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:40:54,398 INFO L87 Difference]: Start difference. First operand 358 states and 493 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:40:54,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:40:54,735 INFO L93 Difference]: Finished difference Result 714 states and 984 transitions. [2024-11-23 23:40:54,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:40:54,737 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-23 23:40:54,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:40:54,745 INFO L225 Difference]: With dead ends: 714 [2024-11-23 23:40:54,745 INFO L226 Difference]: Without dead ends: 362 [2024-11-23 23:40:54,746 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:40:54,747 INFO L435 NwaCegarLoop]: 489 mSDtfsCounter, 0 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:40:54,747 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 974 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:40:54,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-23 23:40:54,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2024-11-23 23:40:54,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 309 states have (on average 1.3915857605177993) internal successors, (430), 317 states have internal predecessors, (430), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-23 23:40:54,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 497 transitions. [2024-11-23 23:40:54,793 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 497 transitions. Word has length 6 [2024-11-23 23:40:54,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:40:54,793 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 497 transitions. [2024-11-23 23:40:54,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:40:54,793 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 497 transitions. [2024-11-23 23:40:54,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-23 23:40:54,794 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:40:54,794 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2024-11-23 23:40:54,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 23:40:54,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:40:54,995 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:40:54,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:40:54,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1422408942, now seen corresponding path program 1 times [2024-11-23 23:40:54,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:40:54,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [262909169] [2024-11-23 23:40:54,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:40:54,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:40:54,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:40:55,000 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:40:55,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 23:40:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:40:57,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:40:57,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:40:57,777 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:40:57,777 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:40:58,532 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:40:58,532 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:40:58,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262909169] [2024-11-23 23:40:58,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262909169] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:40:58,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:40:58,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-23 23:40:58,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529366132] [2024-11-23 23:40:58,534 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:40:58,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:40:58,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:40:58,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:40:58,535 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:40:58,535 INFO L87 Difference]: Start difference. First operand 362 states and 497 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:40:59,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:40:59,392 INFO L93 Difference]: Finished difference Result 718 states and 990 transitions. [2024-11-23 23:40:59,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:40:59,394 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-23 23:40:59,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:40:59,397 INFO L225 Difference]: With dead ends: 718 [2024-11-23 23:40:59,397 INFO L226 Difference]: Without dead ends: 366 [2024-11-23 23:40:59,399 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:40:59,400 INFO L435 NwaCegarLoop]: 487 mSDtfsCounter, 0 mSDsluCounter, 970 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1457 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:40:59,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1457 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 23:40:59,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-23 23:40:59,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 362. [2024-11-23 23:40:59,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 310 states have (on average 1.3870967741935485) internal successors, (430), 317 states have internal predecessors, (430), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-23 23:40:59,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 497 transitions. [2024-11-23 23:40:59,421 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 497 transitions. Word has length 10 [2024-11-23 23:40:59,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:40:59,422 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 497 transitions. [2024-11-23 23:40:59,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:40:59,422 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 497 transitions. [2024-11-23 23:40:59,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-23 23:40:59,423 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:40:59,423 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:40:59,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 23:40:59,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:40:59,624 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:40:59,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:40:59,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1003345046, now seen corresponding path program 1 times [2024-11-23 23:40:59,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:40:59,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1699363157] [2024-11-23 23:40:59,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:40:59,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:40:59,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:40:59,628 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:40:59,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 23:41:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:41:01,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 878 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:41:01,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:41:02,561 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-23 23:41:02,561 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:41:02,561 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:41:02,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699363157] [2024-11-23 23:41:02,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699363157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:41:02,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:41:02,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:41:02,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379941504] [2024-11-23 23:41:02,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:41:02,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:41:02,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:41:02,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:41:02,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:41:02,563 INFO L87 Difference]: Start difference. First operand 362 states and 497 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:41:03,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:41:03,575 INFO L93 Difference]: Finished difference Result 362 states and 497 transitions. [2024-11-23 23:41:03,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:41:03,576 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-23 23:41:03,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:41:03,579 INFO L225 Difference]: With dead ends: 362 [2024-11-23 23:41:03,579 INFO L226 Difference]: Without dead ends: 360 [2024-11-23 23:41:03,580 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:41:03,581 INFO L435 NwaCegarLoop]: 479 mSDtfsCounter, 152 mSDsluCounter, 1273 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 1752 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:41:03,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 1752 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-23 23:41:03,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-11-23 23:41:03,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2024-11-23 23:41:03,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 310 states have (on average 1.3806451612903226) internal successors, (428), 315 states have internal predecessors, (428), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-23 23:41:03,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 495 transitions. [2024-11-23 23:41:03,618 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 495 transitions. Word has length 19 [2024-11-23 23:41:03,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:41:03,620 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 495 transitions. [2024-11-23 23:41:03,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:41:03,620 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 495 transitions. [2024-11-23 23:41:03,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-23 23:41:03,625 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:41:03,625 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:41:03,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-23 23:41:03,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:41:03,826 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:41:03,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:41:03,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1167006, now seen corresponding path program 1 times [2024-11-23 23:41:03,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:41:03,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1087967136] [2024-11-23 23:41:03,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:41:03,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:41:03,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:41:03,829 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:41:03,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 23:41:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:41:05,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 952 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:41:05,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:41:05,991 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-23 23:41:05,991 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:41:05,991 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:41:05,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087967136] [2024-11-23 23:41:05,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087967136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:41:05,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:41:05,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:41:05,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012246819] [2024-11-23 23:41:05,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:41:05,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:41:05,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:41:05,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:41:05,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:41:05,993 INFO L87 Difference]: Start difference. First operand 360 states and 495 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:41:06,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:41:06,378 INFO L93 Difference]: Finished difference Result 707 states and 977 transitions. [2024-11-23 23:41:06,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:41:06,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2024-11-23 23:41:06,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:41:06,382 INFO L225 Difference]: With dead ends: 707 [2024-11-23 23:41:06,382 INFO L226 Difference]: Without dead ends: 364 [2024-11-23 23:41:06,383 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:41:06,384 INFO L435 NwaCegarLoop]: 486 mSDtfsCounter, 0 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 967 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:41:06,385 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 967 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:41:06,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-23 23:41:06,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2024-11-23 23:41:06,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 314 states have (on average 1.375796178343949) internal successors, (432), 319 states have internal predecessors, (432), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-23 23:41:06,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 499 transitions. [2024-11-23 23:41:06,406 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 499 transitions. Word has length 27 [2024-11-23 23:41:06,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:41:06,406 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 499 transitions. [2024-11-23 23:41:06,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:41:06,407 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 499 transitions. [2024-11-23 23:41:06,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-23 23:41:06,408 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:41:06,408 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:41:06,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-23 23:41:06,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:41:06,609 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:41:06,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:41:06,610 INFO L85 PathProgramCache]: Analyzing trace with hash 311922984, now seen corresponding path program 1 times [2024-11-23 23:41:06,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:41:06,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1131016404] [2024-11-23 23:41:06,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:41:06,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:41:06,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:41:06,616 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:41:06,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-23 23:41:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:41:08,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:41:08,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:41:08,883 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-23 23:41:08,883 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:41:09,731 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-23 23:41:09,731 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:41:09,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131016404] [2024-11-23 23:41:09,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131016404] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:41:09,731 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:41:09,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-23 23:41:09,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169570074] [2024-11-23 23:41:09,731 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:41:09,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:41:09,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:41:09,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:41:09,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:41:09,733 INFO L87 Difference]: Start difference. First operand 364 states and 499 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:41:10,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:41:10,888 INFO L93 Difference]: Finished difference Result 715 states and 987 transitions. [2024-11-23 23:41:10,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:41:10,890 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-11-23 23:41:10,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:41:10,894 INFO L225 Difference]: With dead ends: 715 [2024-11-23 23:41:10,895 INFO L226 Difference]: Without dead ends: 368 [2024-11-23 23:41:10,897 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:41:10,898 INFO L435 NwaCegarLoop]: 484 mSDtfsCounter, 0 mSDsluCounter, 1924 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2408 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-23 23:41:10,900 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2408 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-23 23:41:10,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-23 23:41:10,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 364. [2024-11-23 23:41:10,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 315 states have (on average 1.3714285714285714) internal successors, (432), 319 states have internal predecessors, (432), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-23 23:41:10,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 499 transitions. [2024-11-23 23:41:10,927 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 499 transitions. Word has length 31 [2024-11-23 23:41:10,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:41:10,928 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 499 transitions. [2024-11-23 23:41:10,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:41:10,928 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 499 transitions. [2024-11-23 23:41:10,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-23 23:41:10,929 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:41:10,929 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:41:10,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-23 23:41:11,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:41:11,130 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:41:11,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:41:11,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1818316818, now seen corresponding path program 1 times [2024-11-23 23:41:11,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:41:11,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [434903156] [2024-11-23 23:41:11,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:41:11,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:41:11,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:41:11,134 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:41:11,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-23 23:41:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:41:12,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:41:12,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:41:13,299 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-23 23:41:13,299 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:41:13,300 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:41:13,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434903156] [2024-11-23 23:41:13,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434903156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:41:13,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:41:13,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:41:13,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370826435] [2024-11-23 23:41:13,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:41:13,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:41:13,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:41:13,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:41:13,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:41:13,301 INFO L87 Difference]: Start difference. First operand 364 states and 499 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:41:13,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:41:13,590 INFO L93 Difference]: Finished difference Result 372 states and 508 transitions. [2024-11-23 23:41:13,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:41:13,592 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-11-23 23:41:13,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:41:13,595 INFO L225 Difference]: With dead ends: 372 [2024-11-23 23:41:13,595 INFO L226 Difference]: Without dead ends: 366 [2024-11-23 23:41:13,596 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:41:13,598 INFO L435 NwaCegarLoop]: 487 mSDtfsCounter, 0 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1455 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:41:13,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1455 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:41:13,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-23 23:41:13,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2024-11-23 23:41:13,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 317 states have (on average 1.3690851735015772) internal successors, (434), 321 states have internal predecessors, (434), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-23 23:41:13,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 501 transitions. [2024-11-23 23:41:13,624 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 501 transitions. Word has length 31 [2024-11-23 23:41:13,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:41:13,625 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 501 transitions. [2024-11-23 23:41:13,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:41:13,625 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 501 transitions. [2024-11-23 23:41:13,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-23 23:41:13,629 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:41:13,629 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:41:13,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-23 23:41:13,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:41:13,830 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:41:13,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:41:13,830 INFO L85 PathProgramCache]: Analyzing trace with hash -295656012, now seen corresponding path program 1 times [2024-11-23 23:41:13,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:41:13,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [73257736] [2024-11-23 23:41:13,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:41:13,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:41:13,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:41:13,833 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:41:13,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-23 23:41:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:41:15,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 972 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:41:15,535 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:41:16,291 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-23 23:41:16,292 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:41:16,292 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:41:16,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73257736] [2024-11-23 23:41:16,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73257736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:41:16,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:41:16,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:41:16,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464323860] [2024-11-23 23:41:16,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:41:16,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:41:16,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:41:16,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:41:16,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:41:16,293 INFO L87 Difference]: Start difference. First operand 366 states and 501 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:41:16,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:41:16,834 INFO L93 Difference]: Finished difference Result 381 states and 518 transitions. [2024-11-23 23:41:16,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:41:16,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2024-11-23 23:41:16,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:41:16,840 INFO L225 Difference]: With dead ends: 381 [2024-11-23 23:41:16,841 INFO L226 Difference]: Without dead ends: 380 [2024-11-23 23:41:16,842 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:41:16,844 INFO L435 NwaCegarLoop]: 483 mSDtfsCounter, 0 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 962 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:41:16,844 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 962 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 23:41:16,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-11-23 23:41:16,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2024-11-23 23:41:16,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 331 states have (on average 1.3595166163141994) internal successors, (450), 335 states have internal predecessors, (450), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-23 23:41:16,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 517 transitions. [2024-11-23 23:41:16,875 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 517 transitions. Word has length 35 [2024-11-23 23:41:16,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:41:16,876 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 517 transitions. [2024-11-23 23:41:16,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:41:16,876 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 517 transitions. [2024-11-23 23:41:16,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-23 23:41:16,877 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:41:16,877 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:41:16,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-23 23:41:17,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:41:17,081 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:41:17,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:41:17,081 INFO L85 PathProgramCache]: Analyzing trace with hash -841514105, now seen corresponding path program 1 times [2024-11-23 23:41:17,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:41:17,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1269814831] [2024-11-23 23:41:17,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:41:17,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:41:17,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:41:17,086 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:41:17,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-23 23:41:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:41:18,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:41:18,879 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:41:19,166 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-23 23:41:19,166 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:41:19,166 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:41:19,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269814831] [2024-11-23 23:41:19,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269814831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:41:19,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:41:19,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:41:19,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285496111] [2024-11-23 23:41:19,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:41:19,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:41:19,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:41:19,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:41:19,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:41:19,168 INFO L87 Difference]: Start difference. First operand 380 states and 517 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:41:19,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:41:19,523 INFO L93 Difference]: Finished difference Result 385 states and 522 transitions. [2024-11-23 23:41:19,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:41:19,524 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2024-11-23 23:41:19,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:41:19,527 INFO L225 Difference]: With dead ends: 385 [2024-11-23 23:41:19,527 INFO L226 Difference]: Without dead ends: 384 [2024-11-23 23:41:19,528 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:41:19,528 INFO L435 NwaCegarLoop]: 485 mSDtfsCounter, 0 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 967 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:41:19,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 967 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:41:19,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-23 23:41:19,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 384. [2024-11-23 23:41:19,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 335 states have (on average 1.355223880597015) internal successors, (454), 339 states have internal predecessors, (454), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-23 23:41:19,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 521 transitions. [2024-11-23 23:41:19,549 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 521 transitions. Word has length 35 [2024-11-23 23:41:19,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:41:19,550 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 521 transitions. [2024-11-23 23:41:19,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:41:19,550 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 521 transitions. [2024-11-23 23:41:19,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-23 23:41:19,551 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:41:19,551 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:41:19,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-23 23:41:19,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:41:19,752 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:41:19,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:41:19,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1477114321, now seen corresponding path program 1 times [2024-11-23 23:41:19,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:41:19,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [382083197] [2024-11-23 23:41:19,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:41:19,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:41:19,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:41:19,757 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:41:19,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-23 23:41:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:41:21,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 23:41:21,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:41:22,606 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-23 23:41:22,606 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:41:22,606 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:41:22,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382083197] [2024-11-23 23:41:22,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [382083197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:41:22,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:41:22,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:41:22,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535948994] [2024-11-23 23:41:22,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:41:22,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:41:22,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:41:22,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:41:22,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:41:22,608 INFO L87 Difference]: Start difference. First operand 384 states and 521 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:41:23,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:41:23,896 INFO L93 Difference]: Finished difference Result 400 states and 536 transitions. [2024-11-23 23:41:23,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:41:23,897 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2024-11-23 23:41:23,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:41:23,901 INFO L225 Difference]: With dead ends: 400 [2024-11-23 23:41:23,901 INFO L226 Difference]: Without dead ends: 397 [2024-11-23 23:41:23,902 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:41:23,902 INFO L435 NwaCegarLoop]: 483 mSDtfsCounter, 17 mSDsluCounter, 1929 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2412 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-23 23:41:23,903 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2412 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-23 23:41:23,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-11-23 23:41:23,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 394. [2024-11-23 23:41:23,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 342 states have (on average 1.3508771929824561) internal successors, (462), 346 states have internal predecessors, (462), 35 states have call successors, (35), 14 states have call predecessors, (35), 14 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-23 23:41:23,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 531 transitions. [2024-11-23 23:41:23,926 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 531 transitions. Word has length 38 [2024-11-23 23:41:23,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:41:23,927 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 531 transitions. [2024-11-23 23:41:23,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:41:23,927 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 531 transitions. [2024-11-23 23:41:23,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-23 23:41:23,931 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:41:23,931 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:41:23,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-23 23:41:24,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:41:24,132 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:41:24,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:41:24,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1477112399, now seen corresponding path program 1 times [2024-11-23 23:41:24,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:41:24,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2053763762] [2024-11-23 23:41:24,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:41:24,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:41:24,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:41:24,136 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:41:24,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-23 23:41:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:41:26,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 1004 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 23:41:26,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:41:27,528 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-23 23:41:27,528 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:41:27,528 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:41:27,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053763762] [2024-11-23 23:41:27,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053763762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:41:27,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:41:27,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:41:27,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227992447] [2024-11-23 23:41:27,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:41:27,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:41:27,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:41:27,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:41:27,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:41:27,530 INFO L87 Difference]: Start difference. First operand 394 states and 531 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:41:29,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:41:29,754 INFO L93 Difference]: Finished difference Result 742 states and 1010 transitions. [2024-11-23 23:41:29,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:41:29,755 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2024-11-23 23:41:29,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:41:29,760 INFO L225 Difference]: With dead ends: 742 [2024-11-23 23:41:29,760 INFO L226 Difference]: Without dead ends: 394 [2024-11-23 23:41:29,762 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:41:29,763 INFO L435 NwaCegarLoop]: 474 mSDtfsCounter, 167 mSDsluCounter, 1402 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 1876 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:41:29,763 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 1876 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-23 23:41:29,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-23 23:41:29,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2024-11-23 23:41:29,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 342 states have (on average 1.347953216374269) internal successors, (461), 346 states have internal predecessors, (461), 35 states have call successors, (35), 14 states have call predecessors, (35), 14 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-23 23:41:29,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 530 transitions. [2024-11-23 23:41:29,784 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 530 transitions. Word has length 38 [2024-11-23 23:41:29,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:41:29,785 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 530 transitions. [2024-11-23 23:41:29,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:41:29,785 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 530 transitions. [2024-11-23 23:41:29,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-23 23:41:29,787 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:41:29,787 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:41:29,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-23 23:41:29,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:41:29,988 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:41:29,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:41:29,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1882587888, now seen corresponding path program 1 times [2024-11-23 23:41:29,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:41:29,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1478152775] [2024-11-23 23:41:29,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:41:29,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:41:29,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:41:29,992 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:41:29,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-23 23:41:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:41:32,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:41:32,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:41:33,570 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-23 23:41:33,571 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:41:35,340 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-23 23:41:35,340 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:41:35,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478152775] [2024-11-23 23:41:35,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1478152775] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:41:35,340 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:41:35,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-23 23:41:35,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495186915] [2024-11-23 23:41:35,340 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:41:35,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:41:35,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:41:35,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:41:35,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:41:35,342 INFO L87 Difference]: Start difference. First operand 394 states and 530 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:41:36,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:41:36,871 INFO L93 Difference]: Finished difference Result 423 states and 566 transitions. [2024-11-23 23:41:36,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:41:36,872 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2024-11-23 23:41:36,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:41:36,875 INFO L225 Difference]: With dead ends: 423 [2024-11-23 23:41:36,875 INFO L226 Difference]: Without dead ends: 422 [2024-11-23 23:41:36,877 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:41:36,878 INFO L435 NwaCegarLoop]: 487 mSDtfsCounter, 0 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1450 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:41:36,878 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1450 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-23 23:41:36,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-11-23 23:41:36,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 380. [2024-11-23 23:41:36,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 329 states have (on average 1.3556231003039514) internal successors, (446), 332 states have internal predecessors, (446), 35 states have call successors, (35), 14 states have call predecessors, (35), 14 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-23 23:41:36,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 515 transitions. [2024-11-23 23:41:36,902 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 515 transitions. Word has length 49 [2024-11-23 23:41:36,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:41:36,904 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 515 transitions. [2024-11-23 23:41:36,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:41:36,904 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 515 transitions. [2024-11-23 23:41:36,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-23 23:41:36,905 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:41:36,905 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:41:36,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-23 23:41:37,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:41:37,106 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:41:37,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:41:37,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1235364053, now seen corresponding path program 1 times [2024-11-23 23:41:37,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:41:37,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [261983200] [2024-11-23 23:41:37,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:41:37,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:41:37,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:41:37,109 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:41:37,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-23 23:41:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:41:38,936 INFO L256 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:41:38,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:41:39,723 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-23 23:41:39,723 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:41:40,864 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-23 23:41:40,864 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:41:40,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261983200] [2024-11-23 23:41:40,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [261983200] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:41:40,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:41:40,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-23 23:41:40,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845364801] [2024-11-23 23:41:40,865 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:41:40,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:41:40,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:41:40,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:41:40,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:41:40,867 INFO L87 Difference]: Start difference. First operand 380 states and 515 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:41:42,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:41:42,901 INFO L93 Difference]: Finished difference Result 758 states and 1030 transitions. [2024-11-23 23:41:42,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:41:42,902 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2024-11-23 23:41:42,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:41:42,904 INFO L225 Difference]: With dead ends: 758 [2024-11-23 23:41:42,904 INFO L226 Difference]: Without dead ends: 396 [2024-11-23 23:41:42,906 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:41:42,907 INFO L435 NwaCegarLoop]: 484 mSDtfsCounter, 12 mSDsluCounter, 1440 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1924 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:41:42,907 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1924 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-23 23:41:42,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-23 23:41:42,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2024-11-23 23:41:42,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 345 states have (on average 1.3391304347826087) internal successors, (462), 348 states have internal predecessors, (462), 35 states have call successors, (35), 14 states have call predecessors, (35), 14 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-23 23:41:42,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 531 transitions. [2024-11-23 23:41:42,930 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 531 transitions. Word has length 52 [2024-11-23 23:41:42,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:41:42,930 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 531 transitions. [2024-11-23 23:41:42,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 23:41:42,931 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 531 transitions. [2024-11-23 23:41:42,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-23 23:41:42,932 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:41:42,932 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:41:42,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-23 23:41:43,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:41:43,133 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [bb_process_escape_sequenceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_process_escape_sequenceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 50 more)] === [2024-11-23 23:41:43,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:41:43,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1241053507, now seen corresponding path program 2 times [2024-11-23 23:41:43,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:41:43,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1191225809] [2024-11-23 23:41:43,135 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 23:41:43,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:41:43,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:41:43,137 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:41:43,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c3cea6-1551-4aab-90cc-e9cce4e74b1e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process